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Course Information
Course Unit Title : Analytical and Numerical Solutions of Hydrodynamic Lubrication
Course Unit Code : 01MAK6124
Type of Course Unit : Optional
Level of Course Unit : Second Cycle
Year of Study : Preb
Semester : 255.Semester
Number of ECTS Credits Allocated : 6,00
Name of Lecturer(s) : ---
Course Assistants :
Learning Outcomes of The Course Unit : 1) Comprehend use of Tribology in design of the journal bearings
2) Numerical methods could be used design of the journal bearings.
Mode of Delivery : Face-To-Face
Prerequisities and Co-requisities Courses : Unavailable
Recommended Optional Programme Components : Unavailable
Course Contents : Derivation of Reynolds equation using by Navier Stokes equations that used in the design of hydrodynamic lubrication static and dynamic loaded journal bearings. Solving of the Reynolds equation by analytical and numerical methods. Appropriate design of the bearing.
Languages of Instruction : Turkish
Course Goals : The course aims at introducing students to design journal bearing. Derivation of Reynolds equation that used in the design of journal bearings. Solving of the Reynolds equation by analytical and numerical methods.
Course Aims : The course aims at introducing students to design journal bearing. Derivation of Reynolds equation that used in the design of journal bearings. Solving of the Reynolds equation by analytical and numerical methods.
WorkPlacement   Not Available
Recommended or Required Reading
Textbook : 1-Durak, E., ?Lesson Notes?, Not pressed.
Additional Resources : [1] Hamrock B.J. Fundementals Of Fluid Film Lubrication, McGraw-Hill, Inc. New York, 1994.
[2]Lang, O.R, Steinhilper W.,? Gleitlager?, Spinger Verlag, New York, 1978.
[3] Booser, E. R. Tribology Data Handbook 1,2,3 ISBN 0-8493-3904-3904-4, CRC Pres, New York 1997,USA
[4] Brushan Bharat,?Modern Tribology Handbook?, CRC Pres., 2001.
[5] Brushan Bharat,?Micro/Nano Tribology?, CRC Pres., 1999
[6] Cameron, A. The properties of Lubrication, John Willey and Sons Inc., Newyork.
[7] Bıyıklıoğlu, A.,? Dinamik Yüklü Yataklarda Yüzey Yorulması ?, Karadeniz Teknik Üni., Fen Bilimleri Enst., Doktora Tezi, Trabzon, 1986.
[8] Uçar, V., ? Dinamik Yüklü Radyal Kaymalı Yatakların Teorik Ve Deneysel Olarak Incelenmesi ?, İstanbul Teknik Üni., Fen Bilimleri Enst. Doktora Tezi, İstanbul, 1991
Material Sharing
Documents :
Assignments :
Exams :
Additional Material :
Planned Learning Activities and Teaching Methods
Lectures, Practical Courses, Presentation, Seminar, Project, Laboratory Applications (if necessary)
ECTS / Table Of Workload (Number of ECTS credits allocated)
Student workload surveys utilized to determine ECTS credits.
Activity :
Number Duration Total  
Course Duration (Excluding Exam Week) :
14 3 42  
Time Of Studying Out Of Class :
14 4 56  
Homeworks :
5 4 20  
Presentation :
1 6 6  
Project :
1 15 15  
Lab Study :
0 0 0  
Field Study :
0 0 0  
Visas :
1 12 12  
Finals :
1 15 15  
Workload Hour (30) :
30  
Total Work Charge / Hour :
166  
Course's ECTS Credit :
6      
Assessment Methods and Criteria
Studies During Halfterm :
Number Co-Effient
Visa :
1 70
Quiz :
0 0
Homework :
5 10
Attendance :
0 0
Application :
0 0
Lab :
0 0
Project :
1 15
Workshop :
0 0
Seminary :
1 15
Field study :
0 0
   
TOTAL :
110
The ratio of the term to success :
50
The ratio of final to success :
50
TOTAL :
100
Weekly Detailed Course Content
Week Topics  
1 Introduction and Definition
 
2 Navier-Stokes equations, derivation of the Reynolds? equation,
 
3 Assumptions, Geometry of the Journal bearings, Boundary conditions, Sommerfeld condition, Load carried and attitude angle, Petroff ?s law.
 
4 Narrow bearings, assumptions and pressure equation,
 
5 Finite bearings, assumptions and pressure equation,
 
6 Solution of the Reynolds equation by using by two dimensions.
 
7 Solution of the Reynolds equation for finite journal bearings with finite differences and finite elements, and computed results,
 
8 Computation of the Reynolds equation for finite journal bearings with finite differences and finite elements, and computed results,
 
9 Midterm exam, Pressure in the wedge and squeeze oil film thickness
 
10 Pressures and angles, oil flow, friction, oil film thickness, oil whirl in the journal bearings,
 
11 Pressures and angles, oil flow, friction, oil film thickness, oil whirl in the journal bearings, Continued.
 
12 Dry and solid bearing (PTFE; Self lubricating bearings, etc.)
 
13 Heat in the journal bearings, temperature lubricant in the bearings.
 
14 Student presentation, general evaluation