Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/6570
Title: Experimental flow boiling study in a 0.52 mm diameter vertical tube using R134a
Authors: Shiferaw, J
Mahmoud, MM
Karayiannis, TG
Kenning, DBR
Keywords: Flow boiling;Heat transfer mechanisms;Small diameter tubes;R134a
Issue Date: 2008
Publisher: Eurotherm 2008
Citation: 5th European Thermal Sciences Conference, Eindhoven, The Netherlands, 18-22 May 2008
Abstract: Experimental results for R134a boiling on a vertical stainless steel tube of internal diameter 0.52 mm are presented in this paper. They form part of an ongoing study of flow boiling in a wide range of small diameter tubes. Other parameters were varied in the range: mass flux 300-700 kg/m2.s; heat flux 1.6-75 kW/m2 and pressure 6 -10 bar. The flow patterns visualised at the exit of the heated test section are first presented. The variation of the heat transfer coefficient with thermodynamic quality and its dependence on heat flux, mass flux and system pressure is then presented and discussed.
Description: This article is also available online from the link below.
URI: http://www.eurotherm2008.tue.nl/Proceedings_Eurotherm2008/papers/Two-phase_Flow/TPF_5.pdf
http://bura.brunel.ac.uk/handle/2438/6570
Appears in Collections:Publications
Mechanical and Aerospace Engineering
Dept of Mechanical and Aerospace Engineering Research Papers

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