Course syllabus

  1. Learning outcome
  2. Course syllabus

010013390-65 หัวข้อพิเศษทางด้านกระบวนการความร้อนและของไหล 1 (Special Topics in Thermal and Fluid I)

Course Syllabus

Data entry : Dr.Siripong Daocharoenporn
1. Course number and name

010013390-65 หัวข้อพิเศษทางด้านกระบวนการความร้อนและของไหล 1 (Special Topics in Thermal and Fluid I)

2. Credits and contact hours

3(3-0-6)

3. Instructor’s or course coordinator’s name

Dr.Siripong Daocharoenporn

4. Text book, title, author, and year

  1. Engineering Tribology, G. W. Stachowiak and A. W. Batchelor, 4th ed.

5. Specific course information

  1. brief description of the content of the course (catalog description)
    rinciples of fluid film lubrication and contact mechanics in mechanical elements. The course covers lubricant additive chemistry; derivation and simplification of the Reynolds equation for thrust and journal bearings; analysis of thermal and cavitation effects; numerical modeling using the Finite Difference Method (FDM) and Thermohydrodynamic (THD) simulations; analysis and design of hydrostatic, aerostatic, and hybrid bearings, including stiffness control via restrictors; Hertzian contact stress theory; and Elastohydrodynamic Lubrication (EHL) under high pressure, focusing on film thickness and flash temperature calculations to prevent surface failures.
  2. prerequisites or co-requisites
  3. indicate whether a required, elective, or selected elective (as per Table 5-1) course in the program
    Elective :

6. Specific goals for the course

  1. specific outcomes of instruction (e.g. The student will be able to explain the significance of current research about a particular topic.)
  2. explicitly indicate which of the student outcomes listed in Criterion 3 or any other outcomes are addressed by the course.
    ABET Student Outcome (SO) Listed in Criterion 3 Performance indicator
    SO2 an ability to apply engineering design to produce solutions that meet specified needs with consideration of public health, safety, and welfare, as well as global, cultural, social, environmental, and economic factors.
    • PI-2.1 Produces a clear statement of needs in a design project (20%)
    • PI-2.2 Identifies constraints on the design problem, and establishes requirements and desirability of solutions based on appropriate engineering practices or standards (30%)
    • PI-2.3 Selects appropriate techniques and tools for a specific engineering task (20%)
    • PI-2.4 Carries solution through the most economic/desirable solution and justifies the approach (30%)

7. Brief list of topics to be covered
Week Topic Details Activities
1 Introduction to Lubrication and Friction Regimes Core concepts of Tribology, the Stribeck curve, and identifying boundaries between boundary, mixed, and full fluid film lubrication.
2 Physical/Chemical Properties & Environmental Impact Dynamic and kinematic viscosity, temperature-pressure-viscosity relationships.
3 Fluid Foundations & The Reynolds Equation Hydrodynamic pressure generation mechanisms, fluid element equilibrium, and continuity of flow.
4 Fixed-Pad Thrust Bearings Geometry and performance of infinite linear wedges, Rayleigh steps, and tapered land pads.
5 Cylindrical Journal Bearings Radial bearing parameters: Clearance, eccentricity ratio, and attitude angle.
6 Complex Hydrodynamic & Thermal Effects Introduction to cavitation, oil whirl instabilities, squeeze films, and the impact of thermal viscid shearing on load limits.
8 Numerical Discretization Principles Introduction to non-dimensional grid mapping and transforming the Reynolds equation into Finite Difference Method (FDM) equivalent nodes.
9 Computer Lab Simulation Workshop Operational mechanics of flat circular and square hydrostatic pads.
10 Externally Pressurized Hydrostatic Systems Operational mechanics of flat circular and square hydrostatic pads.
11 Restrictor Selection & Economic Optimization Balancing technical requirements against operating expenses by minimizing total power loss (Pumping power vs. Friction power).
12 Aerostatic Gas Bearings & Dynamic Instabilities Fundamentals of aerostatic gas films, hybrid bearing modes, and mapping the pneumatic hammer vibration failure boundary.
13 Hertzian Contact Stress Mechanics Concentrated contact analysis: Sizing point and line elastic deflections in cylinders and spheres.
14 EHL Film Thickness and Flash Temperatures Piezoviscous-elastic film profiles and applying the empirical Hamrock-Dowson equations.
15 Final Engineering Project Presentation and Review
7 Midterm Engineering Project Presentation and Review
8. Course Assessment
Course assessment Weight score (%) Assessment tools Date
Lubricant Chemistry Seminar 20 assignment, group discussion
Computational Lab Exercises 20 assignment
Final Design Presentation & Q&A 60 Presentation

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