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C1 Thermal Design of Heat Exchangers

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VDI Heat Atlas

Part of the book series: VDI-Buch ((VDI-BUCH))

1 Introduction

Widely different tasks are involved in designing heat exchangers. They range from thermal rating or dimensioning through mechanical analysis and costing, to the optimization of heat exchangers and systems. This chapter is restricted to steady state thermal design of heat exchangers in which two fluids are separated by fixed walls [1].

2 Nomenclature, Definitions, and Basic Equations

A schematic diagram of a heat exchanger showing the main parameters is presented in Fig. 1.

C1. Fig. 1
figure 1

Schematic diagram of a heat exchanger.

\(\dot M_1 ,\,\dot M_2\) = mass flow rates

\(\dot W_1 ,\,\dot W_2\) = heat capacity rates

\(h_1 ,\,h_2\) = specific enthalpies

\(\vartheta _1 ,\,\vartheta _2\) = temperatures

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Authors and Affiliations

  1. Helmut-Schmidt-Universität, Universität der Bundeswehr Hamburg, Hamburg, Germany

    Wilfried Roetzel

  2. BUCO Wärmeaustauscher International GmbH, Geesthacht, Germany

    Bernhard Spang

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  1. Wilfried Roetzel
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  2. Bernhard Spang
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    Roetzel, W., Spang, B. (2010). C1 Thermal Design of Heat Exchangers. In: VDI Heat Atlas. VDI-Buch. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77877-6_4

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