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ECTS Course Overview

Heat Transfer and Fluid Mechanics

* Exchange students do not have to consider this information when selecting suitable courses for an exchange stay.

Course Unit Code635-2001/02
Number of ECTS Credits Allocated6 ECTS credits
Type of Course Unit *Optional
Level of Course Unit *First Cycle
Year of Study *
Semester when the Course Unit is deliveredWinter Semester
Mode of DeliveryFace-to-face
Language of InstructionCzech, English, German
Prerequisites and Co-Requisites Course succeeds to compulsory courses of previous semester
Name of Lecturer(s)Personal IDName
PR150prof. Ing. Miroslav Příhoda, CSc.
PYS30prof. Dr. Ing. René Pyszko
MAH46doc. Ing. Adéla Macháčková, Ph.D.
Theory of similarity, criterion equations. Flow: statics and dynamics of fluids, flow of real fluids, pressure losses, flow of gases in furnace systems. Conduction heat transfer: analytical and numerical solution of steady and transient problems. Convective heat transfer: natural, forced, heat transfer between fluid and solid surface. Radiation heat transfer: general laws, radiation properties of bodies, exchange of radiation energy between solid bodies, radiation of gases, vapours and their mixtures.
Learning Outcomes of the Course Unit
Student will be able:
- to demonstrate the feature of criteria of similarity,
- to solve the pressure losses during the flow of fluids,
- to describe the fundamental principle in hydromechanics,
- to solve simple examples focused on heat transfer (conduction, convection, radiation).
Course Contents
1. Constant of similarity, criterion of similarity (simplex, complex). Criterion equations.
2. Basic terms of flow. Physical properties of fluids. Basic types of pressure. Pressure loss. Statics of one gas. Calculation of atmospheric pressure. Statics of two gases. Euler's equation of fluid statics. Differential equation for the pressure function.
3. Fluid flow - classification. General equation of continuity. Continuity equation for one-way flow. Euler's equation of motion, total derivative. Navier – Stokes equation. Bernoulli's equation.
4. Types of real fluid flow. Reynolds criterion. Laminar flows in tubes. Velocity profile. Hagen - Poiseuille law. Turbulent flow. Boundary layer.
5. Hydraulic losses - pressure loss, height loss. Friction losses, Darcy - Weisbach relationship. Types of roughness. Effect of roughness on hydraulic resistance. Coefficient of friction in circular pipes - 5 areas. Local losses.
6. Gas discharge openings. Gas discharge at low speeds. Gas discharge at high speeds. The flow in the high speed. Convergent nozzle, Laval nozzle. Height of chimney.
7. Modes of heat transfer. Basic terms in heat conduction. Fourier's law. Thermal conductivity for gases, liquids and solids. Fourier heat equation. Coefficient of thermal conductivity. Conditions of uniformity.
8. Steady one - dimensional heat conduction through one and multi-layer planar and cylindrical wall at boundary conditions I., II. and III. kind - temperature and heat flux.
9. Multidirectional steady tasks. Analytical solutions - method of separation of variables. Numerical solutions.
10. Transient heat conduction. Numerical solution, stability, accuracy.
11. Fourier - Kirchhoff equations for convective heat transfer. Heat transfer between fluid and solid surface. Velocity and thermal boundary layer. Specific values of the coefficient k. The use of similarity theory for the solution of convective heat transfer. Influence of temperature changes on fluid convection heat.
12. Physical principles of radiation. Basic terms. Planck's law. Wien's displacement law. Stefan-Boltzmann law. Lambert's law. Radiation properties. Kirchhoff's law.
13. Spectral radiation properties. Grey body. Radiation between bodies. View factor (angular coefficient). Fundamental rules. Radiation between two parallel flat surfaces, the effect of shielding. Radiation between two curved surfaces. Gaseous radiation. Basic laws. Radiation of the gas mixtures.
Recommended or Required Reading
Required Reading:
[1] KREITH., F., BLACK, W. Z. Basic heat transfer. New York : Harper and Row, 1980.
[2] KRAUSE, E. Fluid Mechanics. Berlin: Springer Verlag, 2005. ISBN 3-540-22981-7.
[1] PŘÍHODA, M., RÉDR, M. Sdílení tepla a proudění. 2. vyd. Ostrava: VŠB-TU Ostrava, 2008. ISBN 978-80-248-1748-4.
Recommended Reading:
[1] LIENHARD IV, J. H., LIENHARD V, J. H. A Heat Transfer Textbook. 4th ed. Cambridge: Phlogiston Press, 2012.
[2] BEJAN, A., KRAUS, A. D. Heat Transfer Handbook. John Wiley & Sons, 2003. ISBN 978-0-471-39015-2.
[1] RÉDR, M., PŘÍHODA, M. Základy tepelné techniky. 1. vyd. Praha: SNTL, 1991. ISBN 80-03-00366-0.
[2] JUREČKA, P. Proudění a sdílení tepla : cvičení do předmětu "Sdílení tepla a proudění“. 1. vyd. Ostrava: VŠB-TU Ostrava, 2006. ISBN 80-248-1083-2.
[3] BÁLEK, S. Tepelně technické tabulky a diagramy. 2. vyd. Ostrava: VŠB-TU Ostrava, 2005. ISBN 80-248-0828-5.
Planned learning activities and teaching methods
Lectures, Seminars, Individual consultations, Tutorials
Assesment methods and criteria
Tasks are not Defined