Course detail

Compact Heat Exchangers

FSI-9KVEAcad. year: 2019/2020

The course is concerned with the following topics: Classification of heat exchangers (HE). Basic relationships for heat transfer in HE. Efficiency of finned surfaces. Methods of heat transfer enhancement. Methods of HE calculations - LMTD and epsilon-NTU methods. Pumping power and pressure drop in HE. Correlations for heat transfer in single-phase HE. Fouling and corrosion.

Learning outcomes of the course unit

Types of heat exchanges. Principles and method of their design. Practical knowledge on how to calculate and design heat exchanger.

Prerequisites

Fundamentals of fluid mechanics (laminar and turbulent flow) in channels and tube bundles and fundamental mechanisms of heat transfer (conduction, convection, radiation).

Co-requisites

Not applicable.

Recommended optional programme components

Not applicable.

Recommended or required reading

1. Incropera F.P., De Witt D.P.: Fundamentals of Heat and Mass Transfer, , 0
Kakac S., Liu H.: Heat Exchangers - Selection, Rating, and Thermal Design, , 0
3. Kays W. M., London A. L.: Compact Heat Exchangers, , 0

Planned learning activities and teaching methods

The course is taught through lectures explaining the basic principles and theory of the discipline.

Assesment methods and criteria linked to learning outcomes

The exam will consist of a written part and an oral one.

Language of instruction

Czech, English

Work placements

Not applicable.

Aims

The course objective is to provide students with information on principles of design, and operation of heat exchanges of different types and make.

Specification of controlled education, way of implementation and compensation for absences

Since it is not obligatory for studentsn to be present at lectures, the presence will not be checked.

Type of course unit

 

Lecture

20 hours, optionally

Teacher / Lecturer

Syllabus

1. Heat exchangers (HE) - function, principles of operation, classification.
2. Construction of HE.
3. Heat balance of HE. Thermal resistance and overall HTC.
4. LMTD-method.
5. Epsilon-NTU method.
6. Reynolds and Chilton-Colburn analogy.
7. The design of compact HE.
8. Pump energy and power.
9. Pressure drop in HE.
10. Computational relationships for heat transfer and pressure drop in HE.
11. Fuel-gas HE.
12. Two-phase HE.
13. Operational problems. Fouling and corrosion.

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