635-2032/05 – Heat Transfer and Fluid Mechanics (STP)
| Gurantor department | Department of Thermal Engineering | Credits | 5 |
| Subject guarantor | doc. Ing. Marek Velička, Ph.D. | Subject version guarantor | doc. Ing. Marek Velička, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Choice-compulsory type B |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2023/2024 | Year of cancellation | |
| Intended for the faculties | FMT | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
Student will be able:
- to determinate the fundamental problems from heat transfer field – conduction, convection and radiation in interaction with environment,
- to describe and use fundamental theorems and laws of fluid mechanics, and to solve the problems from fluid flows,
- to use the knowledge from area of numerical simulations with commercial software based on theoretical background of the course.
Teaching methods
Lectures
Tutorials
Summary
Heat transfer by convection, conduction and radiation. Fundamental laws in heat transfer, examples from heat transfer area.
Equations from fluid statics and fluid dynamics. Pressure losses in nets. Flow of gasses via different outlets.
Theory of similarity and numerical simulations concerning the heat transfer and fluid mechanics. Process how to use the commercial software in heat transfer and fluid mechanics problems – animations, videos of problems, discussion.
Compulsory literature:
Recommended literature:
Additional study materials
Way of continuous check of knowledge in the course of semester
Written test and oral exam.
E-learning
Other requirements
No more requirements.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1. Introduction of heat transfer and fluid mechanics.
2. Conduction. Thermal and heat fields, temperature gradient. First Fourier Law – heat flow and heat. Second Fourier Law – steady and non-steady states. Joule-Lenz Law. Thermal conductivity coefficient, thermal diffusivity coefficient. Boundary conditions for conductive heat transfer problems.
3. Convection. Forced and unforced convection. Heat transfer coefficient. Conductional-convectional heat transfer.
4. Fundamentals of similarity of systems – model and reality. Laws of similarity, criteria-numbers, equations. Physical modelling vs. abstract modelling.
5. Thermal radiation. Physical fundamentals of radiation and theory. Radiation properties. Emissivity. Black and grey surfaces (body). Radiation flux, areal radiation flux. Five laws – Planck, Wien, Stefan-Boltzmann, Lambert, Kirchfoff. Radiation between bodies – variants. View factor relations. Radiation of gases and mixture of gasses in interaction with surfaces.
6. Fluid properties – variations of pressure, ideal gas equations, compression, expansion, dilatation, viscosity, surface tension, thermodynamics system gas – steam. Viscous and inviscid fluids.
7. Hydromechanics. Basic statics and dynamics equations – Euler, Navier-Stokes, Bernoulli, continuity.
8. Fluid statics. Static of one gas system. Statics of two gases thermodynamics system. Application in flame furnace device.
9. Fluid dynamics. Reynolds number. Laminar and turbulent flow. Velocity flow rates.
10. Pressure losses. Local losses, height loss, friction losses. Pressure losses developed by chimney. Fundamental laws and coefficients of losses.
11. Gas discharge openings. Gas discharge at low and high speeds.
12. The commercial software utilization in conditions of heat transfer and fluid mechanics and their solutions. Overview of thermal process models and methods for numerical simulations.
13. Selected examples of thermal and fluid flow problems and their solutions using software. Educational animations and videos.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
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