635-0818/01 – Heat Exchangers (VT)

Gurantor departmentDepartment of Thermal EngineeringCredits6
Subject guarantorprof. Ing. Miroslav Příhoda, CSc.Subject version guarantorprof. Ing. Miroslav Příhoda, CSc.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year2Semesterwinter
Study languageCzech
Year of introduction2004/2005Year of cancellation
Intended for the facultiesFMTIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
PR150 prof. Ing. Miroslav Příhoda, CSc.
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 2+3
Combined Credit and Examination 16+0

Subject aims expressed by acquired skills and competences

- to categorize heat exchangers - to solve power and hydraulic losses or recuperators and regenerators - to illustrate ways of usage of thermal efficiency in determination of heat transfer surface of recuperator - to determine conditions of application of recuperative and regenerative heat exchangers

Teaching methods

Lectures
Individual consultations
Tutorials
Project work

Summary

Significance of heat exchangers. Recuperators: temperature profile across the exchanger heat transfer area, mean temperature difference, heat transfer coefficient, heat transfer rate, temperature of heat transfer surface, heat transfer effectiveness of parallel flow and counter-flow, hydraulic calculation. Metal and ceramic recuperator types. Heat pipes: working fluids, temperature distributions, heat transfer rate. Regenerators: Thermal calculation. Heat transfer quantity. Heat transfer coefficient. Hydraulic calculation. Regenerator types.

Compulsory literature:

LIENHARD IV, J. H., LIENHARD V, J. H. A Heat Transfer Textbook, 4th edition - chapter 3. http://web.mit.edu/lienhard/www/ahtt.html

Recommended literature:

KUPPAN, T. Heat Exchanger Design Handbook. Marcel Dekker, Inc. New York - Basel, 2000. ISBN 0-8247-9787-6.

Way of continuous check of knowledge in the course of semester

written test

E-learning

http://katedry.fmmi.vsb.cz/635/; There is a continuous expansion of e-learning elements into teaching.

Další požadavky na studenta

Elaboration of the program.

Prerequisities

Subject codeAbbreviationTitleRequirement
635-0401 STP Heat Transfer and Fluid Mechanics Recommended

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Significance of heat exchangers, energy savings, fuel savings, the degree of recovery, increasing combustion temperature, performance engine. Recuperators - thermal and hydraulic calculation. Derivation of differential equations for the relationship between medium temperature and size heat transfer surface. Solving this equation for various cases of boundary conditions. Dependence of temperature difference between the hot and cold streams on the size of the heat transfer surface. Calculation of the mean temperature difference. Heat transfer coefficient for the ceramic and metal heat exchangers. Influence of heat transfer coefficients on the overall heat transfer coefficient Heat rate of recuperator. Temperature heat transfer surfaces in the consideration or neglecting the thermal resistance of heat transfer surfaces, a criteria expression. The definition of heat exchanger effectiveness. Determination of heat exchanger effectiveness for the parallel and counterflow cases for different ratios between total heat capacities. Hydraulic calculation. Pressure loss by friction, local, geometric. Pressure losses resulting from non-isothermal flow mediums. Types of metal and ceramic heat exchangers. Operating conditions of metal heat exchangers. Heat pipes: the working fluid, process temperature and radial heat flow. Regenerators - Thermal calculation. The amount of heat transmitted. The coefficient of heat transfer. Hydraulic calculation. Pressure loss. Types of regenerators. Tutorials: Heat rate of heat exchanger. Heat transfer of coefficient by convection and radiation, wall temperature heat exchanger. Determination of the basic dimensions of heat exchanger. Heat exchanger effectiveness, fuel utilization factor, recovery factor. Calculation of heat transfer surfaces of heat exchanger. Hydraulic calculation and pressure loss of heat exchanger. The balance equation of the regenerator, types of trellis. Excursion to the Department of Thermal Engineering Laboratories, familiarization with various types of heat exchangers. The calculation program to obtain basic parameters of the heat exchanger for the parallel and counterflow cases. Credit.

Conditions for subject completion

Full-time form (validity from: 1960/1961 Summer semester, validity until: 2011/2012 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
                Project Project 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.FormStudy language Tut. centreYearWSType of duty
2015/2016 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2015/2016 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2013/2014 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2013/2014 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2012/2013 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2012/2013 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2011/2012 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2011/2012 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2010/2011 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2010/2011 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2009/2010 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2009/2010 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2008/2009 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2008/2009 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2007/2008 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2007/2008 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2006/2007 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2006/2007 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan
2005/2006 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics K Czech Ostrava 2 Choice-compulsory study plan
2005/2006 (N2109) Metallurgical Engineering (2109T025) Thermal Engineering and Industrial Ceramics P Czech Ostrava 2 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner
FMMI 2013/2014 Full-time Czech Compulsory 601 - Study Office stu. block
FMMI 2012/2013 Full-time Czech Compulsory 601 - Study Office stu. block
FMMI_ECTS 2011/2012 Full-time Czech Compulsory 600 - Faculty of Materials Science and Technology - Dean's Office stu. block