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تاثير ابعاد وموقع الحز على الانحراف ، الانبعاج والاهتزاز الحر لعتبة متدرجة وظيفيا == The Effect of Notch Dimensions and Position on Deflection, Buckling and Free Vibration of Functionally Graded Beam

Author name: رغد عزيز نعمة
Supervisor name: Luay S. Alansari
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة حصاد الطاقة من منظومة التعليق للمركبات == Study of Energy Harvesting from the Suspension of a Vehicle

Author name: مرتضى قاسم دينار
Supervisor name: Haider J. Abid | Hassanein I. Khalaf
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة عددية وتجريبية لتاثير امتداد اخدود طولي على خصائص جسم هوائي == NUMERICAL AND EXPERIMENTAL STUDY OF THE EFFECT OF LONGITUDINAL SPANWISE GROOVE ON AIRFOIL CHARACTERISTICS

Author name: مهدي صاحب مهدي
Supervisor name: Qais A. Rishack | Mohammed A. Al - fahham
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة عملية وعددية لقدم اصطناعية رياضية مصنعة من مواد مركبة هجينة == Experimental and Numerical Study of Athletic Prosthetic Foot Laminated from Hybrid Composite Materials

Author name: حيدر كريم طلاع
Supervisor name: Abdul Kareem F. Hassan | Jawad Kadhim Oleiwi
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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الموازنة متعددة المتسويات للمكائن الدوارة بواسطة قياس الاستجابة الاهتزازية == Multi-Plane Balancing of Rotating Machines Using Vibration Response Measurement

Author name: يحيى محمد امين
Supervisor name: Jaafar K. Ali
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
Key words:
  • Chapter One: Introduction
  • Introduction
  • Advantages of Balancing
  • Rotor Vibration Forms
  • Causes of Unbalance
  • Types of Unbalance
  • Rotor Balancing Methods
  • Mathematical Model
  • Model Based Balancing (MBB)
  • Experimental Modal Analysis (EMA)
  • Digital Signal Processing (DSP)
  • Time and Frequency Domain
  • Fast Fourier Transform (FFT)
  • Thesis objectives
  • Thesis structure
  • Chapter Two: Literature Review
  • Introduction
  • Influence Coefficient Method
  • Modal Balancing Methods
  • Balancing Without Trial Runs
  • Conclusions
  • Chapter Three: Finite Element Model
  • Introduction
  • Coordinate System
  • Rotor Components
  • Disk elements
  • Shaft elements
  • Euler-Bernoulli Beam Theory
  • Shear and rotary inertia effects
  • The 8-DOF Shaft Elements model
  • Gyroscopic effects
  • Couplings
  • Bearings
  • Rolling-Element Bearings Hydrodynamic Bearings
  • Flexible Support
  • Modeling a Whole Rotor
  • Chapter Four: Modal Analysis
  • Introduction
  • Updating of FE model
  • Modal Testing Method
  • Mathematical Models
  • Theoretical Basis of Modal Analysis
  • Single Degree of Freedom System SDOF
  • Graphical Representation of FRF
  • Multi-Degree-of-Freedom System (MDOF)
  • Revisiting SDOF
  • Frequency Response Function Measurement
  • FRF Estimation
  • SISO-FRF Estimation
  • Coherence function
  • Excitation Techniques
  • Extracting Modal Parameters
  • One Column or One Row
  • Extracting Modal Parameters from FRF Data-SDOF
  • methods
  • Peak-picking
  • Circle-fit
  • Least Squares Curve Fitting Using SDOF Model
  • Extracting Modal Data from FRF Data-MDOF method
  • Mode Shape Extraction from Modal Constants
  • Modal Testing of Rotating Structures
  • Chapter Five: Digital Signal Processing
  • Introduction
  • Time and Frequency Domains
  • Signal Digitization
  • Sampling
  • Quantization
  • Aliasing
  • Leakage
  • Windowing
  • Averaging
  • Chapter summery
  • Chapter Six: Sensors calibration and EMA verification
  • Introduction
  • Calibration of transducers
  • Calibration of Accelerometer
  • Calibration of Force Transducer Case study-I: Circular cross-sectional shaft
  • Analytical Modal Analysis
  • Numerical Modal Analysis
  • Experimental Modal Analysis
  • Available Excitation Techniques
  • Results and Comparison
  • Effects of DSP parameters on FRF
  • Effect of Windows
  • Effect of sample time
  • Effect of Excitation Techniques
  • Reciprocity condition
  • Case study-II: Shaft with two disks
  • Chapter summary
  • Chapter Seven: Model-Based Rotor Balancing
  • Introduction
  • Model Based Balancing (MBB)
  • Balancing Test Rig
  • The rotor to be balanced
  • Performing EMA on the rotor
  • FEA Based Model
  • Comparison of the Resulting Modal Parameters
  • Balancing Case Studies
  • Case-I: Two measuring planes and two balancing planes
  • Case-II: Two measuring planes and three balancing planes Residue-Based Model Balancing
  • Essential arrangements before EMA
  • Some issues when performing EMA
  • EMA results
  • Balancing Results
  • Discussion of results
  • Discussion of Results of Tables (7-4) and (7-5)
  • Discussion of Results of Tables (7-6)
  • Chapter summery
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دراسة اداء انظمة التبريد ذي القنوات المايكروية باستخدام قنوات متغيرة المقطع العرضي وترتيبات مختلفة للقنوات ولاتجاه جريان المائع == Performance study of Microchannel cooling system using variable cross section channels with different arrangements and fluid flow directions

Author name: صاحب شهاب احمد اسحاق الدليمي
Supervisor name: Abdul Muhsin Abood Rageb
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة تجريبية ونظرية لمجمع ذو انبوب حراري باستخدام مواد متغيرة الطور == EXPERIMENTAL AND THEORETICAL INVESTIGATION OF HEAT PIPE COLLECTOR USING PHASE CHANGE MATERIALS PCM

Author name: رائد سعد عودة الحارس
Supervisor name: Saleh E. Najim | Jalal M. Jalil
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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محاكاة انظمة توليد كهرباء مختلفة لاستخدامها في الاهوار والمناطق البعيد == Simulation of different electricity generation systems to be used in Marshes and far areas

Author name: الهيثم عبد الرحيم طارش النصيري
Supervisor name: صالح اسماغيل نجم
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة خصائص الالواح الملحومة بالقوس المغمور باستخدام تقنيات الشبكات العصبية الاصطناعية، الشبكات العصبية الضبابية والانحدار == Estimation of Submerged Arc Plates Weldment Properties Using ANN, ANFIS and Regression Techniques

Author name: يوسف يونس عاشور
Supervisor name: Abdul Kareem F Hassan | Raad J Jassim
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة عددية لجريان طباقي غير مستقر خلال قناة ثلاثية الابعاد ذو توسع مفاجئ == Unsteady Three-Dimensional Numerical Study of Laminar Flow in Sudden Expansion Channel

Author name: احمد نيسان نايف
Supervisor name: Qais A Rishack
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة تجريبية وعددية في اهتزاز العوارض المربوطة بالبراغي == Experimental and Numerical Study of Vibration of Beams with Bolted Joints

Author name: زينب اسعد حردان
Supervisor name: Nathera A Saleh
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

تحليل ميكانيكية الانكسار للصفائح المموجة باستخدام طريقة العناصر المحددة الممتدة == Fracture Mechanics Analysis For Corrugated Plates Using Extended Finite Element Method (XFEM)

Author name: صابرين سعد نعمه
Supervisor name: Rafil Mahmood Laftah
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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تشخيص اعطال المكائن الدوارة باستخدام طرق ذكية == Diagnosis of Rotating Machines Faults Using Intelligent Methods

Author name: عبد الرزاق علي عبد الرزاق
Supervisor name: Jaafar Khalaf Ali
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة حرارية - اقتصادية لاستخدام الحرارة الضائعة في وحدات التوربينات الغازية في تحسين الاداء == Thermo-economic Study of Using Gas Turbine Units Waste Heat for Performance Improvement

Author name: حسام طالب خريبش
Supervisor name: Hussien S Sultan
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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تحسينات الاداء لمجمع القطع المكافئ باستخدام تكنولوجيا المائع النانوي == PERFOMANCE IMPROVEMENTS OF A PARABOLIC TROUGH COLLECTOR BY NANOFLUID TECHNOLOGY

Author name: احمد اسماعيل هادي
Supervisor name: Mahmood S Jamel
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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تشخيص الاعطال في المحامل الكروية باستخدام دالة الانتروبي العكسية والشبكات الالتفافية == Rolling Elements Bearing Fault Diagnosis Using Reverse Dispersion Entropy and Convolutional Neural Network

Author name: حيدر عدنان عبد الحسين
Supervisor name: Jaafar Khalaf Ali
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

تحسين مقاومة تاكل الصلب المقاوم للظروف الجوية باستخدام طلاء الزنك بجزيئات نتريد البورون النانوية == IMPROVEMENT OF THE CORROSION RESISTANCE OF WEATHERING STEEL USING ZINC COATING REINFORCED WITH BORON NITRIDE NANOPARTICLES

Author name: ضرغام علي محسن
Supervisor name: Murtadha Abbas Jabbar | Haider Mehdi Lieth
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

التقييم الحراري الاقتصادي لتطبيق محطات توليد الطاقة بالمراجل الشمسية في مدينة البصرة == THERMO-ECONOMIC EVALUATION OF THE APPLICATION OF SOLAR BOILER POWER PLANTS IN BASRA CITY

Author name: محمد شاكر عبد
Supervisor name: Hussein S. Sultan | Falah A. Abood
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة لمنظومة تعليق فعال لربع سيارة قابلة للتكيف مع ظروف الطريق == A Study of a Quarter-Car Active Suspension System Adaptable to Road Conditions

Author name: محمود شاكر محمود
Supervisor name: Haider M. Mohammad
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Doctorate
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

الاستقصاء التجريبي والعددي لمعامل شدة الاجهاد الحرج للصلب منخفض الكاربون == Experimental and Numerical Investigation of the Critical Stress Intensity Factor for Low Carbon Steel

Author name: سارة علي خضير
Supervisor name: Ameen A. Nassar
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

نمذجة ودراسة عملية لمشاكل الاهتزازات في الاعمدة الدوارة == MODELING AND EXPERIMENTAL INVESTIGATION OF ROTATING SHAFTS VIBRATION PROBLEMS

Author name: لؤي ماجد حسن
Supervisor name: Jaafar Khalaf Ali
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

تاثير مواد البناء والتظليل الخارجي للسقف على الاداء الحراري للمباني في جنوب العراق == EFFECT OF BUILDING MATERIALS AND SHADING ON THE THERMAL PERFORMANCE OF BUILDINGS IN SOUTHERN IRAQ

Author name: حيدر حكيم ناصر
Supervisor name: Salman H. Hammadi
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

تحقيق عملي ونظري لارتفاع درجة الحرارة في الصلب المقاوم للصدا (AISI304) خلال عملية التثقيب == Experimental and Theoretical Investigation of Temperature Rise in AISI304 Stainless Steel during Drilling Operation

Author name: امجد ماجد كاظم
Supervisor name: Qais A. Rishack | Abdul Kareem F. Hassan
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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دراسة عددية للنفث الصدمي على خازن حراري مغطى بطبقة مسامية سطحية == Numerical Study of Jet Impingement on a Heated Solid Sink Covered by a Porous Surface Layer

Author name: محمد عبد الزهرة ثاني
Supervisor name: Muneer A. Ismael
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
First pages:

حساب معاملات شدة الاجهاد والاجهادات الموازية في عينة من الايبوكسي والزجاج متدرجة وظيفيا بصورة مستمرة باستخدام طريقة مقارنة الصور الرقمية == Computation of SIFs and T-stress in Continuous Epoxy Glass Functionally Graded Beam Using DIC method

Author name: احمد منصور عبود
Supervisor name: Haider K. Mehbes
General topic: Mechanical Engineering
Specific topic: Mechanical Engineering
Degree: Master
University: University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language: English
University location: Basrah
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