Computational Heat Transfer

Data is displayed for academic year: 2023./2024.

Lecturers

Prof.
Davor Grgić
Assoc. Prof.
Siniša Šadek

Course Description

Basic equations of heat transfer by conduction, convection and radiation. Numerical methods for spatial and temporal discretization (finite difference method, finite element method, finite volume method). Modeling of heat flow in electrical cables, transformers and machines. Cooling of electrical components. Design of cooling systems and heat exchangers.

Study Programmes

University graduate
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[FER3-HR] Electrical Power Engineering - profile
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[FER3-HR] Electric Machines, Drives and Automation - profile
Elective Courses (3. semester)
[FER3-HR] Electronic and Computer Engineering - profile
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Elective Courses (3. semester)

Learning Outcomes

  1. Select the appropriate method of numerical analysis of heat transfer in power plants and electrical devices
  2. Analyze the equations of heat conduction, convection and radiation by numerical procedures
  3. Analyze heat conduction for different types of geometries and time-varying boundary conditions
  4. Calculate convective heat exchange in inviscid and viscous fluid flows and during the change of phase
  5. Calculate view factors and radiative heat exchange in closed enclosure with diffuse-gray surfaces

Forms of Teaching

Lectures

Lectures will provide a theoretical background to the students.

Laboratory

Solving practical examples using computer simulation.

Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Homeworks 0 % 15 % 0 % 15 %
Mid Term Exam: Written 0 % 30 % 0 %
Final Exam: Written 0 % 45 %
Final Exam: Oral 10 %
Exam: Written 0 % 75 %
Exam: Oral 10 %

Week by Week Schedule

  1. Representative differential equations for heat transfer, Heat flow through fluids and solids
  2. Heat transfer in electronic and electrical devices – lumped parameter models, Numerical solutions of steady and transient conduction
  3. Solution methods for different geometry types, Numerical techniques for time-varying boundary conditions
  4. Computation of forced and natural convection
  5. Inviscid and viscous flows and heat transfer
  6. Computation of boundary layer flows and heat transfer
  7. Numerical simulation of phase transition, Moving boundary effects
  8. Midterm exam
  9. Numerical techniques for enclosures with diffuse-gray surfaces, Radiation analysis by the network method
  10. Computation of view factors, Thermal radiation within participating media
  11. Modelling of heat flow in electric lines and power cables
  12. Heat-up analysis of transformers and electrical machines
  13. Calculation of extended surfaces for air cooling, Heat pipes
  14. Design of cooling systems for electric devices based on numerical modelling
  15. Final exam

Literature

(.), Roland W. Lewis, Ken Morgan, H. R. Thomas, Kankanhalli N. Seetharamu, The Finite Element Method in Heat Transfer Analysis, John Wiley & Sons, 1996.,
(.), Baehr, H.D., Stephan, K. (2006.), Heat and Mass Transfer (2nd Edition), Springer,

For students

General

ID 222541
  Winter semester
5 ECTS
L1 English Level
L1 e-Learning
60 Lectures
0 Seminar
0 Exercises
13 Laboratory exercises
0 Project laboratory
0 Physical education excercises

Grading System

90 Excellent
75 Very Good
60 Good
50 Sufficient

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