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C3 Typical Values of Overall Heat Transfer Coefficients

Abstract

The empirical values listed below are intended for the preliminary design of heat exchangers. The lower values apply to comparatively adverse conditions, e.g., low flow velocities, viscous liquids, free convection, and fouling. The higher values are valid for particularly favorable conditions, e.g., high flow velocities, thin fluid layers, optimum mass flow ratios, and clean surfaces. In special cases, values may fall below or exceed the given range. Therefore, the figures must be regarded critically and with the necessary caution. The given k values do not take additional heat conduction resistances of insulation and protective coatings into account.

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Title
C3 Typical Values of Overall Heat Transfer Coefficients
Book Title
VDI Heat Atlas
Book DOI
10.1007/978-3-540-77877-6
Chapter DOI
10.1007/978-3-540-77877-6_6
Part of
VDI-Buch
Volume
Editors
Authors
  • Wilfried Roetzel Send Email (1_6)
  • Bernhard Spang Send Email (2_6)
  • Author Affiliation
  • 1_6 Helmut-Schmidt-Universität, Universität der Bundeswehr Hamburg, Hamburg, Germany
  • 2_6 BUCO Wärmeaustauscher International GmbH, Geesthacht, Germany
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