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Investigation Of Health Monring Of Composite Plate

Author name: Al - Wally . Muhannad Lafta Shlakae
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Doctorate
University: Al-Nahrain University
University location: Baghdad
Key words:
  • Vibration - Structural dynamics

Vibration Measurment And Analysis Of Knee Ankle Foot Orthosis Kafo

Author name: Fahad Mohanad Kadhim
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: Al-Nahrain University
University location: Baghdad
Key words:
  • Vibration - Measurment

Experimental And Theoretical Study On Cavitation Effects In Centrifugal Pumps

Author name: Nabeel Ahmed Kamal
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Centrifugal pumps - Cavitation

Study Of Failure Mode In Bolt Adapter Of Prosthetic Sach Foot

Author name: Ali Abdul Ameer Najm
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: Al-Nahrain University
University location: Baghdad
Key words:
  • System failures - Engineering

The Effect Of Dynamic Loading On Stresses Induced In Hip Joint Prosthesis

Author name: Mahmood Wael Said
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Materials - Dynamic testing

Experimentat And Theoretical Investigation Of Optimal Control On Flow Rate And Temperature Of Electrolyte For An Electrochemical Machining System

Author name: raad muzahem fenjan
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Doctorate
University: University of Baghdad
University location: Baghdad
Key words:
  • electrochemical cutting

Vibration Analysis Of Laminated Composite Plate Under Thermo Mechanical Loading

Author name: Rasha Mohammed Hussein
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Vibration - Research

Numerical And Experimental Study Of Prosthetic Above Knee Socket Under Fatigue Stress And Varying Temperatures Effect

Author name: adawiya ali hamzah
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • artificial knee

كلال الدورات المنخفضة في سبيكة المنيوم قابلة للتصليد بالترسيب == Low Cycle Fatigue of Precipitation Hardened Aluminum Alloy

Author name: سيف خالد محمود
Supervisor name: ظافر صادق الفتال
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: English
University location: Baghdad
First pages:
Abstract: لسبائك الالمنيوم عالية المقاومة طيف واسع من التطبيقات من صناعة السيا ا رت الى الصناعات الفضائية.ان السبب الرئيسي وراء النمو السريع للطلب على هذة السبائك هو مزيج من الخواص الفريدة التي جعلت منها واحدة من اكثر الت ا ركيب والمواد الهندسية استعمالا، ولذلك ل | High strength AL - alloys have a wide spectrum of applications from automobile to aerospace industries. The demand for these aluminum alloys grows rapidly because of the unique combination of properties which make them the most versatile of engineering and construction materials. Hence, development of high strength Al - alloys continues to be an important area of research.In this work, the influence of different heat treatments on the mechanical properties and fatigue life under low cycles of wrought 7075 aluminum alloy was experimentally investigated. The heat treatments included peak ageing (T6), over ageing (T73) and annealing (O).The effect of heat treatments on the alloy was explained in terms of their influence on the mechanical properties. The results showed that T73 temper has an ultimate strength of 504.7 MPa and elongation of 12.5%. Peak ageing treatment enhanced the strength by 10.9% and reduced the elongation by 7.2%, while in the annealed condition, the strength was reduced and the elongation was improved by 51.33% and 31.2%, respectively. T6 had the highest hardness followed by T73 and O tempers.The flat fatigue specimens were subjected to constant reverse bending load. The tests were performed at the laboratory environment with a frequency of 23.3 Hz and at a stress ratio (R) of - 1. For each temper, strain - life graphs were obtained for specimens with notches in the form of central cylindrical holes made by drilling. The fatigue resistance of specimens with notches was compared to the results for notch - free specimens. It was observed that the presence of a stress raiser, such as a drilled hole, lowers the fatigue life for all tempers. However, the notch sensitivity of the fatigue life was different for each temper.The fatigue crack growth rate of T73 and annealed temper was investigated, the results showed that T73 treated sample exhibits higher crack growth resistance. Paris` equation was derived for each temper Keywords : LCF. precipitation hardening. 7075 aluminum alloy. fatigue crack growth.

استخدام نظرية الضرر المتراكم في تقييم اعمار الكلال == The Use of Cumulative Damage Theory In Evaluating Fatigue Life Time

Author name: محمد خلوق ياسين
Supervisor name: حسين جاسم العلكاوي
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: Arabic
University location: Baghdad
First pages:
Abstract: في هذا البحث تمت دراسة ظاهرة الكلال لسبيكة الالمنيوم ذات الرمز (2024) تحت احمال انحنائية متعاكسة ثابتة ومتغيرة السعة وفي ظروف درجة حرارة الغرفة وتحت نسبة اجهاد (R= - 1) اتسم البحث بجانبين هما : - الجانب النظري : ويشمل مسحا للبحوث السابقة وبناء انموذج ر | Fatigue phenomenon for Aluminum alloy of symbol 2024 is studied in this work under constant and variable amplitudes reverse bending load at room temperature, with stress ratio (R) of ( - 1).This work is has two approaches Theoretical approaches which in

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

Author name: علاء عبد الهادي جبر
Supervisor name: موفق علي توفيق
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: Arabic
University location: Baghdad
First pages:
Abstract: 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

تحليل الاجهادات في صفيحة رقيقة تحتوي على شق سطحي معرضة الى حمل صدمة متكرر == Stress Analysis In Thin Plate With Surface Crack Subjected To Cyclic Impact Loading

Author name: بسام علي احمد
Supervisor name: فتحي عبد الصاحب الشماع
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad
First pages:
Abstract: في هذا العمل.. تم دراسة وتحليل الاجهادات وحركة نمو الشق لصفائح رقيقه ومستويه تحتوي على شق سطحي في وسطها ومعرضه لحمل صدمه متكرر ذات سرعه منخفضه ولنوعين من سبائك الالمنيوم (2024,6061). حيث تم استخدام ثلاثة طرق رئيسية : الحل التحليلي وذلك باستخدام النظرية | In this work, the stresses and dynamic crack growth were studied and analyzed in thin flat plate with a surface crack at the center, subjected to cycling low velocity impact loading for two types of aluminum plates (2024, 6061). Three main methods have b

الامثلية العملية والعددية لقدم صناعي مصنوع من مواد مركبة == Experimental And Numerical Analysis of Composite Materials Prosthesis Foot

Author name: حسن سعد محمد
Supervisor name: مجيد حبيب فيض الله
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad
First pages:
Abstract: هذه الرسالة تتعلق بتطوير نوعين من المواد المركبة يمكن استخدامها في تصنيع الاقدام الصناعية للوصول الى التصميم الامثل بتكلفة واطئة وتكون مقبولة الخواص الميكانيكية. حيث تلقى دراسة خشب النخيل وتاثيرها على الخواص الميكانيكية للبولي ايثلين القليل من الاهتمام من | This dissertation concerns developing two types of composite materials, which can be used in manufacturing the optimal design prosthetic foot with a reasonable cost and satisficing mechanical properties accepted. The study of date palm wood and his effect

تطوير الخواص الميكانيكية للمواد البوليمرية النانوية المتراكبة == Improvement of Mechanical Properties of Polymeric Nano - Composites

Author name: اخلاص عيدان قادر
Supervisor name: ابتهال النعيمي | عدنان نعمة عبود
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Doctorate
University: University of Technology - Department Of Mechanical Engineering
Language: English
University location: Baghdad
First pages:
Abstract: حظى الايبوكسى كمادة بوليمرية باهتمام واسع في صناعة الهياكل والصناعات الكهربائية فضلا عن استخدامه فى الصناعات البحرية. ولتوسيع مجال استخدامه والتغمب عمى هشاشيته اضيفت اليه العديد من المواد. ساعدت اضافة البولى سمفيد فى زيادة مقاومة الصدمة, الا ان اضافته قمم | Epoxies as a thermoset polymer gained a considerable attention in structural, electrical, and marine applications. To widen their usage and overcome their brittleness, many polymers were blended with it. The addition of Polysulfide rubber helps in increas

تاثير السفع بالكرات على الخواص الميكانيكية وحد التحمل للمواد المركبة == Effect of Shot Peening on Mechanical Properties And Endurance Limit of Composite Materials

Author name: مهدي نعمان مسلم شريف
Supervisor name: احمد نايف ابراهيم الخزرجي
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: English
University location: Baghdad
First pages:
Abstract: This work investigated the effect of shot peening on the mechanical properties and fatigue life at stress ratio of = ?1 using alternating bending fatigue testing for two types of composite materials at room temperature.The used composite material was man

دراسة التاثير الحراري على الاستجابة الدينامية والمدار التدويمي لعمودين متداخلين باستخدام طريقة دمج العناصر المحددة - المصفوفات الانتقالية == Study The Thermal Effect on The Dynamic Response And Whirl Orbit of Twin Spool Using The Combined Finite Element - Transfer Matrix Method

Author name: شيماء هلال كامل الطائي
Supervisor name: موفق علي توفيق
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: Arabic
University location: Baghdad
First pages:
Abstract: يتناول البحث دراسة التاثيرات الحرارية في السرعة الحرجة وفي توزيع المقادير الجانبية للاهتزاز على طول المحورين الدوارين المتداخلين كما تمت دراسة انواع مختلفة للتوزيعات الحرارية ومدى تاثيرها في السرع الحرجة وفي توزيع المقادير الجانبية للاهتزاز. فقد تم تطوير | The research studies the thermal effect on the critical speed and on the distribution of amounts both the lateral and axial for vibration along the Dual rotor - system. Differal thermal distribution type and their influence on the critical speed and on t

دراسة تاثير درجة الحرارة في الاستجابة الدينامية لعمود الحدبات باستخدام طريقة دمج العناصر المحددة - المصفوفات الانتقالية == Study The Temperature Effect on The Dynamic Response For A Camshaft By Using The Combined Finite Element - Transfer Matrices Method

Author name: زيد حكمت رشيد
Supervisor name: موفق علي توفيق
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: Arabic
University location: Baghdad
Key words:
  • تاثير درجة الحرارة في معامل المرونة
  • تاثير درجة الحرارة في لزوجة الزيت
  • التمدد الحراري
  • مصفوفة النقطة
  • مصفوفة المجال
  • المدار التدويمي temp
  • Effect on young muduluse
  • temp
  • Effect on oil viscosity
  • Thermal expansion
  • Point matrix
  • Field matrix
  • Ca
First pages:
Abstract: يقدم هذا البحث دراسة لتاثير التوزيع الحراري في الاستجابة الدينامية لعمود الحدبات باعتباره نظام عمود دوار - كرسي تحميل يحتوي على عدد من التفرعات.تناول البحث دراسة تاثير التوزيع الحراري في طول عمود الحدبات في قيم السرع الحرجة وفي توزيع مقادير الاهتزاز الجا | The present work studies the effect of temperature on the dynamic response for a camshaft as rotor - bearing system contains branches. This work has a studying of the effect of temperature distribution along camshaft length on the critical speeds and on th

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

Author name: قصي احمد صبحي
Supervisor name: شاكر سكران حسن
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: Arabic
University location: Baghdad
First pages:
Abstract: 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

كشف الاضرار في الهياكل الميكانيكية باستخدام الشبكات العصبية الصناعية == Damage Detection In Mechanical Structures Using Artificial Neural Networks

Author name: زهراء عبد عبد لله
Supervisor name: نبيل حسن هادي
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad
First pages:
Abstract: الضرر ھو السبب الرئيس في الفشل الھيكلي الذي يحدث عادة في الھياكل. كان ھناك اھتمام خاص اعطي لتجنب الفشل المفاجئ في المكونات الھيكلية عن طريق كشف الضرر في الھياكل في وقت مبكر.اجريت في ھذه الاطروحة مقارنة بين اجراءين لكشف الضرر وبينت ما ھي الطريقة الافضل ف | Damage are a main cause of structural failure and often occurs on structures. In the past decades, special attention was given to avoid the sudden failure of structural components by detection damage in structures in the early state.In this thesis was ma

نمو الشق في المطاط المقوى بسبب الاحمال الدورية == Crack Growth Due To Cyclic Loading Of Reinforced Rubber

Author name: سعدون عباس عبد الحسن الغفار
Supervisor name: محسن عبد الله عبد الحسين الشمري
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Baghdad - College Of Engineering - Department of Mechanical Engineering
Language: English
University location: Baghdad
First pages:

تاثير معاملات المرونة والتخميد لكراسي التحميل على الاستجابة الدينامية لعمود دوار لتوربين بخاري معين == Effect of Bearing Stiffness and Damping Coefficient on the Dynamic Response of Particular Steam Turbine Rotor

Author name: باسم عاجل سدخان العبودي
Supervisor name: موفق علي توفيق
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: Arabic
University location: Baghdad
First pages:

تحليل اداء التروس ذات الاسنان المستقيمة المعشقه تحت التزييت الهيدروديناميكي المرن == Analysis Of Spur Gear Set Performance Under Elastohydrodynamic Lubrication

Author name: عبد الكريم عبد الرزاق
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Doctorate
University: University of Technology - Department Of Mechanical Engineering
Language: English
University location: Baghdad
First pages:

تحليل لمقترح تصميمي لكرسي مدولب يستخدم من قبل الاشخاص المعاقين == Analysis of a Design Proposal of a Wheel Chair for Use by a Disable Person

Author name: ميساء نزار توفيق
Supervisor name: غسان عدنان الكندي
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: Arabic
University location: Baghdad
First pages:

دراسة نظرية لخصائص الاهتزاز لانبوب ينقل مائع ذي توسع مفاجيء بوجود وعدم وجود فيض حراري منتظم == A Theoretical Study Into The Vibration Characteristics Of A Pipe Conveying Fluid Due Sudden Enlargement With And Without Uniform Heat Flux

Author name: رؤى ياسين حمودي
Supervisor name: موفق علي توفيق | زينة خليفة كاظم
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: English
University location: Baghdad
First pages:

تصميم وتقييم متحسس ازاحه تلامسي == Design And Evaluation Of A Tactile Displacement Sensor

Author name: عماد كامل حسين
Supervisor name: غسان عدنان الكندي
General topic: Mechanical Engineering
Specific topic: Applied Mechanics
Degree: Master
University: University of Technology - Department Of Mechanical Engineering
Language: English
University location: Baghdad
First pages:
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