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تاثير اضافة عنصر النيكل الى سبيكة Al - 4% Cu - 1.5% Mg == The Effect of Ni Addition To Al - 4 % Cu - 1.5% Mg Alloy

اسم المؤلف: اسيل احمد اموري
اسم المشرف: منذر محمد راضي
السنة: 2008
الموضوع الدقيق: هندسة المعادن
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: في هذا البحث تم دراسة تاثير اضافة عنصر النيكل النقي وبنسب مختلفة (wt % 5 - 3 - 2 - 1) الى منصهر سبيكة المنيوم - نحاس - مغنيسيوم وتمت سباكتها بوساطة السباكة بالقوالب المعدنية ومن ثم اجراء المعاملة الحرارية التي شملت (عملية التجانس الحراري على السبائك بعدها | The studying effect of adding pure nickel element in different percentages to (Aluminum - 4%Copper - 1.5%Magnesium) during alloy molten state by die casting procedure, and then make the heat treatment that includes : (the thermal homogenizing followed by heat treatment (T6) which includes solution treatment followed by artificial aging at 220 C? at different times within the range (30 min. - 5 hr.)). Also had been studied the effect of pure nickel element on microstructure and on grain size and the types of phase that created in alloys produced by founding by using optical microscope , x - ray diffraction test device and a program that calculates the volume fraction of particles (J - image). So when we tested the hardness, the result showed that the alloy with highest adding rate (5% wt) have the best response between other alloys for hardening in longer time period and we reached to highest hardness (125 H.V) in time period (4hr) at (220 C?). While the alloy that doesn't have nickel reached to highest hardness equal to (112 H.V) in time period less than (2hr). The phases that created in alloys had been listed through analysis the x - ray diffraction and study the microstructure; we found the phase (Al7Cu4Ni) that be responsible on showing in alloy's response to precipitation hardening which leads to delay, also we found that the adding of nickel causes increase and improve in properties of tensile strength, yield strength and elongation, this is belong to presence of nickel that takes two ways, a part of it dissolves with Aluminum and copper and produce the phase (Al7Cu4Ni) which slows producing the phase (Al2CuMg), and other part refining grains size at highest temperature degrees that leads to increase in strength and hardness with higher rates for alloys contain nickel in comparison to those empty of nickel.

دراسة العوامل المؤثرة في خواص مسحوق القصدير المنتج بطريقة التذرية بالطرد المركزي == Study of The Factors Effecting The Properties of The Tin Powder Produced By The Method of Centrifugal Atomization

اسم المؤلف: علي حسين علي كريم
اسم المشرف: منذر محمد راضي
السنة: 2008
الموضوع الدقيق: هندسة المعادن
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: يتضمن البحث دراسة بعض متغيرات عملية التذرية بالطرد المركزي لغرض انتاج مسحوق معدن القصدير النقي وملاحظة مدى تاثير هذه المتغيرات في خواص المسحوق الناتج وهذه المتغيرات هي : - 1. سرعة دوران الجزء الدوار2. وسط التبريد3. درجة حرارة وسط التبريد تم ملاحظة تاثي | The research included a study for the variables of the process of centrifugal atomization for the purpose of producing pure tin metal powder and the effect of these variables in the properties of the resulting powder. These variables are : 1. The speed of rotation in the rotating part. 2. The medium of cooling. 3. The temperature of medium of cooling. The affect of these above variables were observed on the size and the shape of particles resulting and the particle distribution, the apparent density, tap density and the angle of repose. Upon the use of three different speeds (2000, 6000, 10000) (rpm) on the each at a time for the rotating of the hollow bowl and the use of water at the room temperature. It was noticed that when increasing of revolution speed, there is no change in the shapes of particles i.e. the wide extent of shapes remain irregular, acicular and semispherical, and that the weight percentage of the small particles increases. Also, the value of the apparent density and the tap density increases while the angle of repose decreases. It was also observed that at the use of air and water separately at the room temperature as cooling media and disintegration the fused droplets of tin metal out of the hollow bowl at rotation speed of (10000) rpm. Moreover, we can notice that the weight percentage of the small particles increases as well as the value of the apparent density and tap density, while the value of the repose angle decreases , and the absence of any change in the shape of the particles when using water as a medium of cooling , compare with air. A great range of irregular, acicular and semispherical shapes are also obtained. Water of different temperatures ({40 - 50}, {60 - 70}, {80 - 90})? C were was used as a cooling medium and for the disintegrating of the droplets of the tin metal from the hollow bowl at rotation speed of (10000) rpm, and the formation of powder of different sizes and shapes. Also, the tendency of the particles towards regularity of shape and the spherical shape clearly with the decrease of the weight percentage of the small particles , and the value of apparent density and the tap density increase and the value of the angle of repose decreases at the increase of the temperature of water cooling medium.

دراسة عملية عن تاثير الحز النافذ على اداء ناشرة ثنائية البعد == An Experimental Study on The Effect of Permeable Slot on The Performance of Two Dimensional Diffuser

اسم المؤلف: وسام عبد كاطع علي المالكي
اسم المشرف: زينة خليفة كاظم | قصي جهاد عبد الغفور
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: قوى حرارية
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: يهتم البحث الحالي بدراسة جريان الهواء المضطرب في مرحلة التطور التام (Fully developed) خلال ناشرة ثنائية البعد، ولغرض اتمام الدراسة تم تصميم وتصنيع نماذج اختبار وبزوايا انفراج تراوحت بين ( 30? - 0?)، وكذلك تم تصنيع ناشرة مطورة ثنائية البعد بدون وجود حز ن | The present study deals with flow of air in two - dimensional diffuser. number of test models of diffusers with different angles raging between (0? - 30?).Also a two - dimensional developed diffuser is manufactured without permeable slot for bleeding of

تحليل الاهتزاز في مولد منزلي بسيط == Vibration Analysis of Simple Home Generator

اسم المؤلف: علاء عبد الهادي جبر
اسم المشرف: موفق علي توفيق
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: ميكانيك تطبيقي
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: يقدم البحث الحالي تحليلا لاهتزاز مولد كهربائي صغير يستعمل في اغلب المنازل العراقية من نوع (ASTRA 3000) يعطي قدرة كهربائية (2200 W) وقد تم التحليل باتباع طريقة المصفوفات الانتقالية، وبطبيعة الحال فان هذا المولد يتكون من نظام دوار وغلاف بدن وكراسي تحميل ل | This research presents an analysis for a vibration of a small electrical generator, which is widely used for a domestic purpose. This generator is of type (ASTRA 3000) that gives an electrical power up to (2200 W), The analysis is achieved by using the me

دراسة نظرية وعملية لانتاج غاز الهيدروجين باستخدام الطاقة الشمسية == Theoretical And Experimental Study of Using Solar Energy To Produce Hydrogen Gas

اسم المؤلف: حسن فخري محمد رسول
اسم المشرف: صباح طارق احمد
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: هندسة الطاقة
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: يتضمن هذا البحث دراسة نظرية وعملية عن امكانية استغلال الطاقة الشمسية في انتاج وتوليد غاز الهيدروجين الذي يعد احد الخيارات الرئيسة لاستعماله كمصدر للطاقة البديلة غير الملوثة للبيئة عند نضوب مصادر الوقود التقليدي. الدراسة النظرية تضمنت بناء وتطوير انموذج ر | In this work a theoretical and experimental study concern about the using of solar energy to produce Hydrogen gas as unpolluted alternative fuel.In the theoretical study, equations were obtained to calculate, the direction and the rate of solar radiation

تحسين انتقال الحرارة بالحمل الحر باستخدام انبوب مزعنف مغمور داخل حيز مسخن == Improvement on Heat Transfer By Natural Convection By Using Finned Tube Immersed In Heated Enclosure

اسم المؤلف: عامر جميل شريف
اسم المشرف: اخلاص محمد فياض
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: هندسة الطاقة
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: اجريت دراسة عملية على اربعة نماذج لانابيب المبادل حراري(انبوب املس,انبوب مزعنف غير مثقب,انبوب مزعنف مثقب بثقبين, انبوب مزعنف مثقب باربع ثقوب) مغمورة داخل وعاء مغلف وجهه المسخن نحو الاعلى, لمعرفة عملية انتقال الحرارة بالحمل الحر لمدى من زوايا ميل المغلف وت | Natural convection heat transfer from four models tube heat exchanger at four angle of inclination has been investigated experimentally to predict the effect of the following (finned tubes, perforated fins, number of perforation fin tube heat exchanger im

دراسة عملية ونظرية لتاثيرات ابعاد الانابيب في المنظومات الهيدروليكية == Experimental And Theoretical Study of The Influences of Pipes Sizing on The Hydraulic Systems

اسم المؤلف: عبد الكريم سوادي صالح
اسم المشرف: جعفر مهدي حسن
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: هندسة الميكانيك
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: تضمنت هذه الدراسة تصميم وتنفيذ منظومة هيدروليكية اساسية ذات حمل متغير وتتكون من خزان ومضخة ومحرك كهربائي وصمام اتجاهي وصمامات تحكم بالضغط والتدفق ومستخدم فضلا عن ملحقات اخرى، لغرض دراسة تاثيرات ابعاد الانابيب(القطر والطول والسمك) في المنظومات الهيدروليكي | The present work is conducted to design and built up hydraulic control system with external variable load contains (tank, pump, electric motor, directional value, relief valve, throttle valve, and accessories) to study the influences of pipe size (length,

تاثير الحقن المباشر في الخواص الديناهوائية لمقاطع الاجنحة ذات العتبات المواجهة للخلف == Effect of Direct Injection on The Aerodynamics Characteristics of Airfoils With Backward Facing Steps

اسم المؤلف: احسان زيدان سالم الابيض
اسم المشرف: محمد ادريس ابو طبيخ
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: ديناميك موائع
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: يتضمن هذا البحث دراسة تاثير الحقن المباشر داخل العتبة على خواص القوى الديناهوائية للاجنحة ذات العتبات المواجهة للخلف (Backward Facing Step). تم اجراء الاختبار على مقاطع الاجنحة عمليا باعتماد النفق الهوائي ذي السرع الواطئة (Low - Speed Wind Tunnel) للحصول | An experimental and theoretical investigations were performed to study the effect of direct injection of air on aerodynamic characteristics of airfoils with backward facing steps. Laboratory experiments were done in a low - speed wind tunnel in order to o

تحليل الاهتزاز لكاتمة صوت غاز العادم == Vibration Analysis of Exhaust Gas Silencer

اسم المؤلف: ياسر جعفر عواد
اسم المشرف: موفق علي توفيق
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: صوتيات واهتزازات
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: يقدم البحث الحالي تحليلا لاهتزاز كاتمة صوت لغاز العادم وقد ?فترض انها مكونة بشكل اساس من انبوب داخلي مثقب قطره الخارجي (0.042 m) وسمكه (0.0006 m) وطوله (0.8 m) ومحاط بغلاف اسطواني قطره الخارجي (0.1325 m) وسمكه (0.001 m) وطوله (0.53 m) وان طول انبوب الذنب | This research presents an analysis of the vibration behavior of exhaust gas silencer, assuming that the silencer is mainly consisting of a porous pipe of (0.042 m) outer diameter, (0.0006 m) thickness and (0.8 m) length, surrounded by a cylindrical casing

انتقال الحرارة بالتوصيل في وسط مسامي بسبب مصدر حراري مركز == Conduction Heat Transfer In Porous Media With Embedded Concentrated Heat Source

اسم المؤلف: مظفر سوادي تايه
اسم المشرف: Ihsan y.Hussain
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: هندسة الميكانيك
الدرجة: ماجستير
اللغة: الانكليزية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: The present study had been carried out to investigate the twodimensional transient heat conduction with internal heat generation in rectangular enclosure air - saturated porous media theoretically.The investigated geometry is rectangle and different type

دراسة مميزات انتقال الحرارة خلال الانابيب المزعنفة تحت الظروف الجافة والرطبة == Study of The Heat Transfer Characteristics Through The Finned - Tube Under Dry And Wet Conditions

اسم المؤلف: علي سيد محمد
اسم المشرف: Abdul | Muhsin A. Rageb | Assistant Prof. Ali A. Monem
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: هندسة الميكانيك
الدرجة: ماجستير
اللغة: الانكليزية
مكان الجامعة: البصرة
الصفحات الاولى:
المستخلص: In this work a theoretical investigation of the performance and the characteristics of the finned - tube under dry and wet conditions was developed for different fin eometries. An analytical solution was developed for the case of the tube with external an

تصنيع وتقييم اداء متحسس ازاحة تلامسي لقياس مقاطع عرضية مختلفة == Manufacturing And Assessment of Atactile Displacement Sensor For Measuring of Different Profiles

اسم المؤلف: قصي احمد صبحي
اسم المشرف: شاكر سكران حسن
الموضوع العام: هندسة الميكانيك
السنة: 2008
الموضوع الدقيق: ميكانيك تطبيقي
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: يهدف هذا البحث الى تصنيع وتقييم اداء متحسس ازاحة تلامسي لقياس جانبية محاور ذات مقاطع عرضية مختلفة الشكل واعتماد هذا المتحسس لتقييم امكانيته في قياس اشكال الاجزاء الهندسية.يتكون نظام التحسس المصنع من ثلاثة اجزاء رئيسة هي المتحسس ومحول الاشارة التماثلية ال | The aim of this research is to construct and evaluate the performance of the Potentiometric tactile displacement sensor to measure different cross - sectional shafts and to use this sensor in a developed computer system to assess its capability to measure

الموقف القيمي لجماليات العمارة العراقية المعاصرة == The Valuation Attitude For Aesthetics In Iraqi Contemporary Architecture

اسم المؤلف: فرح احمد خضر
اسم المشرف: عبد الحسين العسكري
الموضوع العام: الهندسة المعمارية
السنة: 2008
الموضوع الدقيق: هندسة العمارة
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: تعددت الدراسات المتعلقة بالجمال والجماليات المعمارية، كما تنوعت الحقول التي قامت بدراسة كل منهما، مثل الفلسفة وعلم النفس والاجتماع. فقد شغل الكثير من الفلاسفة بموضوع الجمال، واستمر البحث فيه وفي مصادره في مختلف العصور، وقد حاول علماء النفس والاجتماع وضع ت | Many studies were made about beauty and architectural aesthetics, as a variety of fields, which had studied each, such as philosophy, psychology and sociology. Beauty was always philosophers’ concern, and continued research it and it sources in various ages, psychologists and sociologists tried to find interpretations of the aesthetic experience according to their attitudes. The values were still the subject of research and study to this day. They were studied by philosophers, sociologists and psychologists and also by architects to see their influence on architecture. This research is a mere attempt to have a better understanding of the subject of beauty and its sources and its impact on the architecture and how to accept it and deal with it. From which the research’s problem appear which is the attempt to find the influence of the value situation on the architectural aesthetics of the Iraqi contemporary architecture. The research tries to combine the subjects of architectural aesthetics and values, and identifies the rule that values have in the matter of “aesthetic taste” for individuals and societies. Proceeding from the idea that beauty could be in subject or object or both, the research discusses the impact of values or values sequence in society on those two factors (subject and object). Thus the theses suggested to solve the research’s problem included the necessity of the value situation, which depends on not only philosophical bases but also social factors, to understand the architectural aesthetics; the second thesis included the importance of values’ situation to direct the “aesthetic taste”. The third thesis was says that due to the inconsistency of the political, economical and social situations in Iraq, a case of confusion in the aesthetic preference appeared, which requires finding the criteria to solve this problem.Values have different sources, their power and obligation increase according to the power of their sources. So in order to study these values the research went back to their sources to further understand them, then analyze their impact on the subjective and objective factors of architectural aesthetics. Chapter one of this study included the discussion of values, beauty, aesthetics and attitude, with a brief demonstration of their history and sources. While chapter two discussed architecture and it’s significance for society, then found that architecture carries the values of the society and thus it’s aesthetic sense, chapter two also gives a brief description of contemporary Iraqi architecture and the most important events that effected it. As for chapter three, there is a summery for all the information and conclusions made throughout the study and a subtraction of the main terms that form the objective and subjective characters of the architectural aesthetics, then they were put into comparism with the value situation to find their effect on aesthetics, then these relations were applied to examples of Iraqi architecture, the study found in the forth chapter that the relationship between values and aesthetics is strong, for both subjective and objective terms, because values are indicators and rules that society follow, and as long as the architecture follows these rules - values - it would be accepted by society and beautiful, and this is one of things that gives identity of architecture in a certain place and time The study also found that if the society was well connected and had strong and sacred values, its architecture will carry its identity and stands for its as well as all it’s arts.

ادراك الايهام البصري لصورة النتاج المعماري == Visual Illusion Perception For Architectural Product Image

اسم المؤلف: غسان فاضل محمد الخفاجي
اسم المشرف: ابراهيم جواد كاظم ال يوسف الحسيني
الموضوع العام: الهندسة المعمارية
السنة: 2008
الموضوع الدقيق: هندسة العمارة
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: دراسة تهتم بطرح ادراك الايهام البصري لصورة النتاج المعماري من خلال وضع قياس للصور المعمارية للوصول الى الكشف عن وجود الايهام وكيفية ادراكه لما لهذا الموضوع من اهمية للمصمم المعماري للوصول الى اكبر قدر من الاقناع لمتلقي النتاج لكون الايهام في الصور المدركة | A Theoretical study care about Visual Illusion Perception for Architectural Product Image to discover percept illusion to important of this object to designers give biggest percept for transponder thus the percept in illusion image with his mind to solve the papules problem illusion in percept image by the transponder , then study perception , image ,organize percept ,which is related to it to solve special problem percept image illusion by transponder a thesis percept form image inside his mind depends on impulse inside the image, then study image in receiving and seeing perception to gain different images according to cause theory inside the study to get research problem diminution knowledge in percept sort of image illusion by the transponder , to get the theoretical frame through studying each pointers ( Visual illusion , Perception, Image, Transponder) , there's A triangle relation between (Perception , Receiver , Picture) & in the middle illusion because all the various it percept kind of illusion picture by the transponder then the research discover three relations : specific illusions with image & there's not enough information about perception by the transponder when he see some images perhaps percept illusion in it by mention some various on details , forms which minimize or maximize degree of perception , Second relation : specific illusion with perception thesis by transponder that he can't get perfect perception because he can percept part of the picture and he can't get perfect perception , third relation : specific illusion with transponder that he can't understand the illusion in image directly but he can understand it by foxing on some details then give us different various of ability's of illusion percept from the time to understand the project depend on different educational skull and the personal education is an important reason to percept some details and other no, then practical execution examine the pointers on some famous project with high illusion by Questionnaire List to gain real illusion by description or not, There's obtained abilities from experience and study reinforcement increase transponder ability to percept by studying various quantum which used and inter image it will effect item to percept or together by not explaining & giving details that's increase pleasure & adventure to get a real image in relation with new techniques to create different project it doesn't use the real only but a virtual worlds inside it to increase perception receive attempt. Illusion is inner distortion perception definition infernos doesn't apply on the real visual things but appear as cause of it details in glow, suddenly moving, repeating things, finishing material deal with it increasing perception illusion in image practice test for the transponder to move from real to high virtual worlds open his skyline mind, increase his inner perception to develop mental image.

الفيزياء والعمارة == Physics And Architecture

اسم المؤلف: ندى عزام محمود الحمداني
اسم المشرف: اريج كريم مجيد السدخان
الموضوع العام: الهندسة المعمارية
السنة: 2008
الموضوع الدقيق: هندسة العمارة
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: تحقيق التوازن مع الطبيعة هو الهدف الذي تسعى اليه الجهود المبذولة من قبل العلماء والمصممين على حد سواء خصوصا مع المشاال المتزايدة التي تهدد عالمنا اليوم. وقد استغلت قوانين الفيزياء باعتبارها قوانين مستنبطة من الطبيعة من اجل تحقيق هذا الهدف ونتج عن ذلك ظهو | Achieving the balance with nature is the aim that all efforts of architectures and scientists trying to achieve especially with the increasing problems that threatened our world today. The laws of physics have been used as it is a law from nature to achieve that goal. resulting from that , the concept of sustainability that goes through all fields of life emerges to us with architectures like sustainable architecture, green architecture and Gaia architecture.The way to achieve sustainable architecture needs a full description to the relation between architecture and physics and goes in depth of this relationship.So the research general theses problem emerged that” there is few studies in complete vision about the concept of correlation between physical field and architecture from the theoretical concepts and the basic components that the concept embedded”. The minor thesis embedded that ”There is ambiguity in how to specify and act the physical laws by the designer and his interaction with it to give a touched result on the physical level “ , the research theses indicates “There is ambiguity in how to specify and act the physical laws in producing sustainable architecture”.The research aims to spot the light on this relationship between physical laws and architecture and examines its sustainability, and to make full use of natural laws available in our hands to produce sustainable architecture.The research structure has been built through 5 chapters : - First chapter : dealing with the intellectual theses and local studies that deals with the research problem “physics and architecture” to conclude the research problem and specifying the aim and methodology. - Second chapter : build a theoretical informational basis of physics and its relation with architecture, taking in consider the graduation and evolution of this relationship, and the main philosophical characteristics that reflected in architecture. - Third chapter : building the theoretical structure through polarizing the relation of physical laws with architecture so the special theses has been produced, which deals with the relation of physical laws with architecture, to conclude the variables that have beenexamined by applying them on a collected projects which is being agreed on its sustainability , so the research hypothesis has been formed and the final variables have been adopted as a measurable variables in the applied chapter. - Fourth chapter : specifying the way of measurements adopted and the definition of selected projects and making the practical study through applying the theoretical variables on an architectural projects. - First chapter : the final result of the study has been given , represented in : results correlated with theoretical structure , results correlated with practical side ending with the recommendations and future studies that grows from the research.The result of the study that the research has been reached to : is that the sustainable architecture is the architecture that achieves and embodies the physical laws on the theoretical, physical and functional level. Also the research has been reached to the following conclusions.

التجديد الحضري ومدينة الغد : دراسة تحليلية مقارنة في المدن التقليدية والمعاصرة == Urban Renewal And The Future City : A Nalytical Comparative Study In Traditional And Contemporary Cities

اسم المؤلف: نرجس حسين علي الجبوري
اسم المشرف: صبا جبار نعمة الخفاجي
الموضوع العام: الهندسة المعمارية
السنة: 2008
الموضوع الدقيق: هندسة العمارة
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: تمتلك المدن التقليدية ذات الجذور التاريخية والتراث الحضاري ومنها مدننا العربية عموما ومدننا العراقية على وجه الخصوص , خصائص معينة ناتجة من ثوابت ومحددات بيئية وثقافية متمثلة بالخصائص المادية للمدن التقليدية وتشمل البيئية والاجتماعية والاقتصادية والجمالية | Cities have the traditional historical roots and cultural heritage, including Arab towns in general, and cities of Iraq in particular, certain characteristics resulting from the constant and the parameters of environmental, cultural form of physical characteristics of traditional cities include environmental, social, economic, aesthetic and non - physical characteristics of Others include intellectual, social, artistic, which gave its cultural identity And attribute them over time, it also faces great challenges in light of the evolution of modern and emerging challenges represented by these physical challenges, which include (population explosion and the crisis of transport and communications, pollution, energy consumption, technology, communications and information revolution) and non - physical challenges of others (the crisis of identity, alienation, globalization ), Which was a threat to these cities in civilization side and the future development. Therefore, research take urban design policies and methods with regard to urban renewal for the Future of Urban best of these cities and assimilate the age and its challenges, thus identified the problem of research the future development of cities with traditional historical roots and their attitude towards the immediate challenges of the age and the role of urban renewal policies in that. And define the research aims by providing knowledge on traditional cities with the historical roots by discussion over the physical characteristics and non - physical and put the challenges facing these cities to identify the most important urban renewal strategies best suited to the nature of these cities that represent the origins of Action for the future development of these cities. Assumed that the traditional cities of the historical roots of many of the constants and parameters relating to physical characteristics and non - physical characteristics for such cities as it faces significant challenges in light of the evolution of the times, therefore, the existence of a future vision for how those cities in the near future is a necessity for urban renewal policies and selection Most of which is key to the city's future and be absorbed by the immediate requirements of the age as a Predictive. The research methodology adopted analytical and descriptive in the theoretical framework, and practical framework has been selected five global examples (Arab and Western) that represent the cities of the future rooted historical and civilization heritage, The results showed the effectiveness of urban renewal policies in the future development traditional cities with historical roots and absorb solutions thereby realizing convoyed the age and preserve the cultural heritage and inspire cultural heritage at the level of details or potential sleeper, which is considered some of them as solutions to the challenges of the times, and the varying policies of urban renewal in accordance with the importance of Heritage area in addition to other factors, has focused on preserving areas of high architectural value with a flexible approach to preserving and reviving the architectural heritage and linking it with the whole city, and adopt a principled rehabilitation in areas of moderate architectural value terms allow for modifications and additions - run of the existing buildings to stimulate economic, social and cultural life, and adopt a principled urban infill in urban areas that have been rehabilitated vacant and destroyed spaces, the principles re - development, follows in areas outside the boundaries of traditional areas of inheritance Civilized, and revitalization follows at the level of a whole city, connecting the previous policies.

تقويم الموروث العمراني على وفق المواثيق الدولية : دراسة تحليلية للمركز التاريخي في الكاظمية == Rectification of Architectural Heritage According To International Conventions : Analytical Study of The Historical Center In Kadhymiah

اسم المؤلف: سماح عبد العزيز ابراهيم
اسم المشرف: مظفر علي الجابري
الموضوع العام: الهندسة المعمارية
السنة: 2008
الموضوع الدقيق: هندسة العمارة
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: تشكل عملية تقويم التراث جانبا مهما في عملية تحديد التراث ومعرفة الطرق الامثل للتعامل معه على اساس اهميته وما يحمله من قيم تراثية، ويمكن تعريف عملية تقويم التراث بانها عبارة عن مجموعة الاجراءات والاساليب والمؤشرات والمعايير التي تستخدم لتقييم وتحديد قيمة ا | Rectification of architectural heritage is an significant side in the process of selecting , listing , and dealing with cultural heritage according to it’s values and importance ,This process could be defined as the procedures and criteria used for evaluating heritage and knowing the advantages an disadvantages of the approaches of dealing with heritage based on the items mentioned in the international conventions ,which would help increasing the advantages and reducing the disadvantages in any future development projects.Heritage Rectification also helps knowing whether the cultural heritage property matches the international criteria and conditions of listing International Heritage and it’s ability to give a special identity to the culture of it’s country, facing the future changes and carrying the past generations’ message into the future generations.Although there are many studies related to heritage , but the divisions and types of heritage was rarely mentioned , so as for the criteria based on which some cultural heritage properties are to be considered as international heritage holding extraordinary values , and have a special protection by international organizations.Based on all of the above , the research is oriented to focus on the concepts , terms and criteria associated with listing and protecting cultural heritage, and the studying of significant experiences of dealing with heritage by international organizations including a city in Iraq , in order to make an approach of evaluating ,developing and protecting heritage ,and test it on the historical center in Kadhmyah old city , as a model of many other cultural heritage sites in Iraq.In order to achieve that ,the research is divided into three chapters , the first chapter deals with the main concepts and approaches associated with Architectural Heritage while the second chapter contains the main international conventions on heritage and studying and analyzing different experiences of protecting heritage , in order to conclude the terms and criteria of listing and protecting international cultural heritage and test them on the historical center in Kadhmyah city in the third chapter of this research , reaching into the conclusions and recommendations in the fourth chapter.

العمارة والازمة اثار الحرب في الانساق الحضرية == Crisis And Architecture Effects of War On Urban Patterns

اسم المؤلف: شيماء طلال عبود
اسم المشرف: اريج كريم مجيد السدخان
الموضوع العام: الهندسة المعمارية
السنة: 2008
الموضوع الدقيق: هندسة العمارة
الدرجة: ماجستير
اللغة: الانكليزية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: Crisis represents one of the most important factors that lead to radical changes in the city systems within a short period of time, and because of the war being one of the most important causes and results of a crisis; therefore war changes the city systems in different aspects.The war mechanism mainly depends on its destructive energy which affects directly the city systems, as well as its physical and symbolic components; nevertheless, the city constantly tries to balance itself by controlling its changing elements in the reconstruction process to form a new balanced state.A comprehensive theoretical framework capable of building integrated basic concepts about reconstruction of cities influenced by war and its effects on urban patternschange was absent in the literature.This have led to the creation of the basic research problem which is "the lack of a professional knowledge concerned with the concepts of city urban patterns and their changes during crises."Therefore, the aim of the research is to clarify the physical relation between war and the patterns of urban fabric. This will be done by studying the effects of the war massive destructive energy on the urban patterns through related literature such as chaos theory and its applications in mathematical field (fractal geometry) which will help in establishing a database concerned with the concepts of crisis, war, pattern, fractal and change. In order to accomplish this aim the research suggests a main hypothesis, which is "the war may demolish the fractal characteristics of the urban fabric by changing its patterns" and a secondary hypothesis "the reconstruction process plays a vital role in controlling the fractal characteristics of the urban fabric".The research structure comprises chapters discussing the research fundamental concepts by implementing a scientific analytical methodology and chaos theory since the war is an unpredictable state with high energy that follows non linear path and a wide range of probabilities.Chapter One comprises introduction and the literature review which is of great importance in determining research problem, aims, hypothesis, and methodology.Chapter Two discusses the nature of crisis and war by studying their types, conducts, mechanisms, and theories to extract the interrelationship between them; ultimately the chapter ends with discussing their damages to the system.Chapter Three discusses the nature of pattern and its changes by studying its components, types, mechanisms, and theories in order to recognize pattern's necessity for the continuity within the urban fabric.Chapter Four discusses the theoretical framework of war and pattern change by investigating how the crisis may deform the fractal properties of the urban fabric through transforming the existing physical patterns.Chapter Five is the practical application of the theoretical framework which tests a number of regional and international examples by applying the research hypothesi on a number of selected samples and finally proves the validity of the research hypothesis in Baghdad reconstruction proposal.Chapter Six finally ends the research with conclusions and recommendations to sustain the fractal characteristics of cities damaged by wars, through reconstructing structure from the beginning with the appropriate trends of reconstruction; otherwise the inevitable patterns that develop as a result will cut across the original fractal properties.

دراسة نوعية مياه الامطار وتاثيرها على بعض خصائص التربة في قضاء الطوز == Study of Rainwater Quality And Its Effect on Some Soil Characterstics in TUZ Region

اسم المؤلف: شنو مصطفى علي محمد
اسم المشرف: اياد فضيل قاسم النعمة | احمد سعيد عثمان الدباغ
الموضوع العام: الهندسة المدنية
السنة: 2008
الموضوع الدقيق: الهندسة البيئية
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: صلاح الدين
الصفحات الاولى:
المستخلص: اجريت هذه الدراسة للتحري عن نوعية مياه الامطار وتاثيرها على بعض خصائص التربة في قضاء الطوز ؛ اذ تضمنت الدراسة فحوصات لنوعية مياه الامطار لمعرفة تاثير الملوثات عليها، كما تضمنت الدراسة التحليل الكيميائي لترب بعض مناطق القضاء. تم اختيار ثمان مناطق لغرض تح | This study is conducted to investigate rainwater quality and its effect on some soil characteristics in Tuz region. The study involves determination of rainwater and soil characteristics in sites distributed inside Tuz region. Eight sites were monitored f

استنباط معامل نوعية المياه لنهر دجلة بين الشرقاط والبوعجيل == Development of Water Quality Index for Tigris River Water Between Alsharqat And Alboajeel

اسم المؤلف: محمد مثنى نعمان
اسم المشرف: اياد فضيل قاسم النعمة
الموضوع العام: الهندسة المدنية
السنة: 2008
الموضوع الدقيق: الهندسة البيئية
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: صلاح الدين
الصفحات الاولى:
المستخلص: يستعمل معامل نوعية المياه كاداة لتصنيف نوعية المصدر المائي وتحديد صلاحيته للاستعمالات المختلفة ( المنزلية والصناعية والري ) وتعيين اسلوب المعالجة المطلوبة لمياه ذلك المصدر. تضمنت الدراسة الحالية تقييم نوعية مياه نهر دجلة بين مدينة الشرقاط وقرية البوعجيل | Water quality index is used as a tool to classify water resources qualitatively and quantitatively for various uses. Moreover it can be used to determine the required treatment methods to bring water into standard level.This work tried to use water qual

التحليل الثلاثي الابعاد للحفريات بطريقة العناصر المحددة وباستخدام انموذج السطح المحيط المرن اللدن == Three - Dimensional Finite Element Analysis of Excavation Using The Elasto - Plastic Bounding Surface Model

اسم المؤلف: فادي لؤي عبو
اسم المشرف: Qassun Sa'ad Al | deen mohammed Shafiqu | Raid R, Al | omari
الموضوع العام: الهندسة المدنية
السنة: 2008
الموضوع الدقيق: الهندسة المدنية
الدرجة: ماجستير
اللغة: الانكليزية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: Three - dimensional finite element analysis for excavation problems is conducted in this study to investigate the significance of three - dimensional analysis in these problems.A main computer program has been modified to perform the timedependent three

تحليل الالواح السميكة المستطيلة المسندة على اسس مرنة ذات المعاملين == Analysis of Thick Rectangular Plates on Two Parameter Elastic Foundations

اسم المؤلف: تقى وليد احمد
اسم المشرف: Riyadh J.Aziz
الموضوع العام: الهندسة المدنية
السنة: 2008
الموضوع الدقيق: الهندسة المدنية
الدرجة: ماجستير
اللغة: الانكليزية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: ھذا البحث يتعامل مع السلوك الخطي للصفائح السميكھ المسنده على اسس مرنه ذات معاملين. نظرية مندلن للوح السميك تم توسيعھا لتشمل تاثير استناد اللوح على اسس مرنه ذات معاملين.(Filonenko - تعتبر مشاكل الالواح السميكھ المسنده على اسس مرنھ ذات معاملين من التطبيقات | This research deals with the linear elastic behavior of thick plates resting on two parameter elastic foundations. Mindlin’s thick plate theory is used to include the effect of two parameter elastic foundation.As an application; the problems of thick pla

التحليل العددي للاسس القشرية باستخدام برنامج (ANSYS) == Numerical Analysis of Shell Foundation Using ANSYS Program

اسم المؤلف: علاء تقي عبد نور العيساوي
اسم المشرف: محمود رشيد محمود
الموضوع العام: الهندسة المدنية
السنة: 2008
الموضوع الدقيق: الهندسة الجيوتكنيكية
الدرجة: ماجستير
اللغة: الانكليزية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: ان الاسس القشرية هي عبارة عن قطعة خرسا نية صغيرة تسند عمود او مجموعة من الاعمدة او جدران. ان الاسس القشرية غالبا ما تثبت مباشرة على التربة او الصخور, على اية حال هذه الاسس تعمل كاسس قشرية شريطية او اسس قشرية هرمية او انواع اخرى من تلك الاسس مثل اسس قشرية | A shell foundation is usually a small concerte footing supporting a column or number of columns or wall. Shell foundations often rest directly on soil or rock; however, they made as strip shell foundation or conical shell foundation or other kind of footi

التحليل لحد الفشل للعتبة المركبة المنحنية افقيا والمتكونة من عتبة حديد وبلاطة كونكريتية مع التداخل الجزئي باستعمال عناصر طابوقية وقشرية == Analysis Up To Failure of Horizontally Curved Composite Steel Beam And Concrete Slab With Partial Interaction By Brick And Shell Elements

اسم المؤلف: الاء عدنان حافظ
اسم المشرف: حسين محمد حسين | محمد جعفر حمود
الموضوع العام: الهندسة المدنية
السنة: 2008
الموضوع الدقيق: الهندسة الانشائية
الدرجة: ماجستير
اللغة: الانكليزية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: تناقش هذه الرساله سلوك العتبات المركبه المنحنيه افقيا والمتكونه من سقوف خرسانيه وعتبات حديديه والحاوية على روابط قص من خلال تحليله بطريقة العناصر المحددة باستعمال نموذج ثلاثي الابعاد مع مراعاة السلوك اللاخطي للمواد بالاستفادة من برنامج ANSYS (الاصدار التا | In this study, a nonlinear three - dimensional finite element analysis has been used to predict the load - deflection behavior of horizontally curved composite beams of concrete slab and I - section steel beam with shear connectors using the analysis syst

تقييم وتحسين اداء انابيب نقل النفط الخام من K2 الى مصفى الدورة == Evaluating And Improving The Performance of Crude Oil Pipelines From K2 To Dora Refinery

اسم المؤلف: عصام فخري محمود العبيدي
اسم المشرف: كريم خلف الجميلي | مؤيد سعد الله
الموضوع العام: الهندسة المدنية
السنة: 2008
الموضوع الدقيق: الهندسة الانشائية
الدرجة: ماجستير
اللغة: العربية
مكان الجامعة: بغداد
الصفحات الاولى:
المستخلص: تمثل خطوط الانابيب شريانا رئيسيا في الصناعة النفطية العراقية، وتعتبر دراسة الكفاءة الانتاجية لهذه الانابيب من العوامل المهمة المساهمة في تطوير هذه الصناعة.تبين من دراسة خط انبوب النفط الخام من محطة الضخ كركوك2 ( K2 ) الى مصفى الدورة والبالغ طوله 213 | Oil Pipelines are of vital importance for oil industry in Iraq.Therefore,the conveyance efficiency of These pipelines is an important concern for the development of a such industry.Investigating the pipeline,conveying crude oil from Kirkuk pump station (
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