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Comparison of heat transfer fluids for use in solar thermal power stations

Authors
Journal
Electric Power Systems Research
0378-7796
Publisher
Elsevier
Publication Date
Volume
3
Identifiers
DOI: 10.1016/0378-7796(80)90001-2

Abstract

Abstract The transport of energy from a radiatively heated wall into a moving fluid is analysed. For a qualitative estimation of the heat transfer process, a turbulent pipe flow with constant addition of heat is adopted. For typical heat transfer fluids like Na, K, Hitec, thermal-oil, mercury, air, water vapour, hydrogen, helium, and ammonia, the important thermal and transport properties are used to show the volumetric heat capacities ρ c p and the convection coefficients α in terms of the Nusselt number times the thermal conductivity (Nu λ).

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