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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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دراسة عملية وعددية للدرفلة على البارد في الصلب الواطئ الكاربون == Experimental and Numerical Study of Cold Rolling for Low Carbon Steel
Author name:
ابتسام محي مانع
Supervisor name:
Emad O. Baje | Abdul-Kareem F. Hassan
General topic:
Mechanical Engineering
Specific topic:
Applied Mechanics
Degree:
Master
University:
University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language:
English
Key words:
1.1 Introduction
1.2 Classification of Rolling Process
1.3 Application of Cold Rolling
1.4 Effect of Cold Rolling on Mechanical Properties of Material
1.5 Strain Hardening
1.6 Low Carbon Steel AISI 1012
1.7 The Main Aims Of This Study
1.8 Thesis Layout
Chapter Two: Literature Review
2.1 Introduction
2.2 Literature Review Related to Rod Rolling
2.3 Effect of Rolling On the Mechanical Properties
2.3 Literature Review Related To Numerical Simulation
2.4 Conclusion Remarks
Chapter Three: Experimental Work
3.1 Introduction
3.2 Materials and Chemical Analysis3.3 Sample Preparation
3.4 Rolling Machine
3.5 Cold Rolling Process
3.6 Mechanical Test
3.6.1 Static Tensile Test
3.6.2 Micro Hardness Test
3.7 Metallographic Test
3.7.1 Preparation of Sample
3.7.2 Microstructure Imaging
Chapter four: Theoretical Background and the Finite Element M4.1 Introduction
4.2 Mechanics Deformation of wire Cold Rolling Process
4.2.1 Calculating Width of Contact between the Wire and Roll
4.2.2 Calculate the Wire Lateral Spread after Rolling
4.2.3 Slab Analysis for Wire Rolling Calculation
4.3 Numerical Simulation of the Process of Cold Wire Flat Rolling
4.3.1 Numerical Simulation
4.3.2 Create parts and Build Full Model for Each Reduction
4.3.3 Defining Materials Properties
4.3.4 Defining Element Type and Mesh
4.3.5 Applied boundary conditions
4.4 Numerical Simulation of the Process of Cold sheet Flat Rolling
4.4.1 Create Parts and Define Material Properties
4.4.2 Defining Element Type and interaction
4.4.3 Applied Boundary Condition 5.1 Introduction
5.2 Experimental Results
5.2.1 Micro Hardness Test
5.2.2 Percentage reduction effect on tensile properties
5.2.3 Percentage Reduction Ratio Effect on Microstructure
5.3 Wire Numerical Results
5.3.1 Verification of the Present Model
5.3.2 Numerical Results of Wire Deformation
5.3.3 Calculation of Contact Area
5.3.2 Calculate Width and Height of Wire after Rolling
5.4 Numerical Results of Sheet Deformation
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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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تحسين مقاومة الخدش لمادة البولي مثيل ميثا اكريليت بالتقوية بجسيمات ثاني اوكسيد السيليكا النانوية == Improvement of Scratch Resistance of PMMA by Reinforcing with Nano SiO2 Particles
Author name:
مشتاق عبد الكريم حسين البحراني
Supervisor name:
Abdul Kareem F. Hassan | Najim Abdul Ameer Saad
General topic:
Mechanical Engineering
Specific topic:
Applied Mechanics
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 نظرية وعملية لتحسين انتقال الحرارة من اسطوانة مسخنة باستخدام مولد الدوامات == Theoretical and Experimental Study for Enhancement of Heat Transfer from Heated Cylinder with Vortex Generator
Author name:
غسان فاضل محمد حسين سميسم
Supervisor name:
Abdul Muhsin A. Rageb
General topic:
Mechanical Engineering
Specific topic:
Thermal Power
Degree:
Doctorate
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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تحليل الشرق في المواد المتدرجة وظيفيا تحت تاثير حمل ميكانيكي وحراري باستخدام طريقتي DIC وXEFGM == Crack Analysis of Functionally Graded Materials Under Mechanical and Thermal Loading Using DIC and XEFGM
Author name:
وفاء فاروق شاكر
Supervisor name:
Abdul Kareem F Hassan, | Haider K Mhebes
General topic:
Mechanical Engineering
Specific topic:
Applied Mechanics
Degree:
Master
University:
University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language:
English
University location:
Basrah
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تصميم وتصنيع منظومة تعليق ربع سيارة ذكية باستخدام متحكم البي اي دي == Design and Construction of a Quarter Car Active Suspension System Using PID Controller
Author name:
احمد جبار حسن
Supervisor name:
Jaafar Khalaf Ali | Ali Hasan Abdalaali
General topic:
Mechanical Engineering
Specific topic:
Manufacturing
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
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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
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التحقق التجريبي والعددي لتوصيف المواد المتدرجة وظيفيا لمركبات الايبوكسي - السيليكا == Experimental and Numerical Investigation for Characterization of Epoxy-silica Functionally Graded Materials
Author name:
جعفر شريف عبد الرزاق
Supervisor name:
Abdul Kareem F Hassan
General topic:
Mechanical Engineering
Specific topic:
Applied Mechanics
Degree:
Master
University:
University Of Basrah - College Of Engineering - Department Of Mechanical Engineering
Language:
English
University location:
Basrah
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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
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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
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