Gurantor department | Department of Thermal Engineering | Credits | 6 |

Subject guarantor | prof. Ing. Miroslav Příhoda, CSc. | Subject version guarantor | prof. Ing. Miroslav Příhoda, CSc. |

Study level | undergraduate or graduate | Requirement | Compulsory |

Year | 2 | Semester | summer |

Study language | Czech | ||

Year of introduction | 2008/2009 | Year of cancellation | 2011/2012 |

Intended for the faculties | FMT | Intended for study types | Bachelor |

Instruction secured by | |||
---|---|---|---|

Login | Name | Tuitor | Teacher 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 study | Way of compl. | Extent |

Full-time | Credit and Examination | 3+3 |

- 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).

Lectures

Seminars

Individual consultations

Tutorials

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.

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.

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

Two points assessment of check exams.

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

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Subject code | Abbreviation | Title | Requirement |
---|---|---|---|

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 |

Subject has no co-requisities.

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.

Task name | Type of task | Max. 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 |

Show history

Academic year | Programme | Field of study | Spec. | Zaměření | Form | Study language | Tut. centre | Year | W | S | Type 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 |

Block name | Academic year | Form of study | Study language | Year | W | S | Type of block | Block owner |
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