635-0401/02 – Heat Transfer and Fluid Mechanics (STP)

Gurantor departmentDepartment of Thermal EngineeringCredits6
Subject guarantorprof. Ing. Miroslav Příhoda, CSc.Subject version guarantorprof. Ing. Miroslav Příhoda, CSc.
Study levelundergraduate or graduateRequirementCompulsory
Year2Semestersummer
Study languageCzech
Year of introduction2008/2009Year of cancellation2011/2012
Intended for the facultiesFMTIntended for study typesBachelor
Instruction secured by
LoginNameTuitorTeacher giving lectures
BUR19 Ing. Jiří Burda
FOJ37 Ing. Pavel Fojtík, Ph.D.
MAH46 doc. Ing. Adéla Macháčková, Ph.D.
MAC589 Ing. Mario Machů, Ph.D.
PR150 prof. Ing. Miroslav Příhoda, CSc.
PYS30 prof. Dr. Ing. René Pyszko
VAC40 Ing. Leoš Václavík
VEL37 doc. Ing. Marek Velička, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+3

Subject aims expressed by acquired skills and competences

- 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).

Teaching methods

Lectures
Seminars
Individual consultations
Tutorials

Summary

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 unsteady problems. Convection heat transfer: natural, forced, heat transfer between fluid and solid body. Radiation heat transfer: general laws, radiation properties of bodies, exchange of radiation energy between solid bodies, radiation of gases, vapours and their mixtures.

Compulsory literature:

KREITH., F., BLACK, W. Z. Basic heat transfer. New York : Harper and Row, 1980. KRAUSE, E. Fluid Mechanics. Springer Verlag. Berlin, Heidelberg, New York, 2005. 355 p. ISBN 3-540-22981-7.

Recommended literature:

LIENHARD IV, J. H., LIENHARD V, J. H. A Heat Transfer Textbook, 4th edition. http://web.mit.edu/lienhard/www/ahtt.html

Way of continuous check of knowledge in the course of semester

Two points assessment of check exams.

E-learning

www.person.vsb.cz; There is a continuous adding of e-learning elements into teaching.

Další požadavky na studenta

are not

Prerequisities

Subject codeAbbreviationTitleRequirement
516-0611 FYI Physics I Recommended
516-0612 FYII Physics II Recommended
617-0402 CH-I. Chemistry I. Recommended
617-0403 CH-II. Chemistry II. Recommended
714-0665 M I Mathematics I Recommended
714-0666 M II Mathematics II Recommended
714-0667 M III Mathematics III Recommended

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lecture Theory of similarity. Similarity. Similarity constant, an indicator of similarity, the similarity criterion. Criterion equations. Analysis of basic equations. Flow. Basic terms. Physical properties of fluids. The basic types of pressure - geometric, static, dynamic and loss. Fluid Statics. Statics of one gas. Calculation of atmospheric pressure. Statics of two gases. Euler's equation of fluid statics. Differential equations for the pressure function. Fluid Dynamics. Flow of fluids - classification. General equation of continuity, the continuity equation for one-way flow. Euler's equation of motion, the substance's derivation. Equation Navier - Stokes. Bernoulli's equation. Types of real fluid flow. Reynolds criterion. Laminar flow in pipes. Velocity profile, Hagen-Poiseulle law. Turbulent flow. Boundary layer. Hydraulic losses - loss of pressure, height loss. Friction - Darcy-Weisbach relation. Types of roughness. Effect of roughness on hydraulic resistance. Friction coefficient at circular pipes - 5 areas. Friction coefficient at noncircular pipes. Local losses. Outflow of gas holes. Gas discharge at low speeds. Gas discharge at high speeds. Critical pressure, density, temperature, speed. Critical mass flow. Flow in high speed. Easy jet, Laval nozzle. Exhaust gas - stack height. Heat transfer - basic mechanisms. Heat conduction. Basic concepts. Fourier's first law. The thermal conductivity of gases, liquids, solids. Fourier heat equation. Conditions of uniformity. Steady-state heat conduction through plane wall - surface condition of the 1st, 2nd, 3rd kind. Multi-layer plane wall. Steady-state heat conduction through cylindrical wall - surface condition of the 1st, 2nd, 3rd kind. Multi-layer cylindrical wall. Multidirectional steady-state tasks: analytical solutions - a method of separation of variables, numerical solutions. Unsteady heat conduction - numerical solution. Heat convection. Fourier-Kirchhoff equation. Heat transfer between fluid and solid body surface. The actual values of the coefficient of heat transfer by convection. Mean coefficient of heat transfer by convection. Using similarity theory for solving convection heat transfer. Heat transfer by free and forced convection. Effect of fluid temperature change on heat convection. Heat radiation. Physical principles of radiation. Planck's law. Wien's displacement law. Stefan-Boltzmann law. Lambert's law. Radiation properties. Kirchhoff's law. Spectral radiation properties. Grey body. Radiation between the bodies. Angular coefficient. Radiation between two parallel flat surfaces, the effect of shielding. Radiation between two curved surfaces. Radiation of gases and their mixtures. Tutorials The basic thermodynamic parameters, physical properties of fluids. Basic laws of ideal gases, statics and dynamics of fluid. Calculation loss of pressure, loss of friction, local resistance and buoyancy. Outflow of gas holes at low and high speeds with a simple and Laval nozzles. Natural exhaust gas, calculate the basic parameters of the stack. Check exam. Heat conduction, Fourier's first law, plane and cylindrical wall. Heat convection, the basic criteria of similarity, free and forced convection. Heat radiation, heat exchange between the two flat surfaces, the effect of shading area, radiation of gases. Combined heat transfer. Check exam. Credit.

Conditions for subject completion

Full-time form (validity from: 1960/1961 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 25 (25) 0
                Written exam Written test 15  0
                Other task type Other task type 10  0
        Examination Examination 75 (75) 0
                Written examination Written examination 10  0
                Oral Oral examination 65  0
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.ZaměřeníFormStudy language Tut. centreYearWSType of duty
2010/2011 (B3923) Materials Engineering (3911R034) Materials and Technologies for Automobile Industry P Czech Ostrava 2 Compulsory study plan
2009/2010 (B3923) Materials Engineering (3911R034) Materials and Technologies for Automobile Industry P Czech Ostrava 2 Compulsory study plan
2008/2009 (B3923) Materials Engineering (3911R034) Materials and Technologies for Automobile Industry P Czech Ostrava 2 Compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner