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Experimental study of ascendant boiling flow in mini-channels.
Author(s) : AGOSTINI B., WATE B., BONTEMPS A., et al.
Summary
This paper presents experimental pressure drop and heat transfer results obtained with a vertical ascendant boiling flow of R134a in rectangular mini-channels. The test section is made of aluminium MPE tubes (multi-port extruded). Channel dimensions are 3.28 x 1.47 mm and the hydraulic diameter is 2.01 mm. Mass flux ranges from 90 to 295 kg/m2s, heat flux from 6 to 31.6 kW/m2 and outlet quality from 0.2 to 1. Two main boiling modes have been identified.
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Pages: 2002-4
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Details
- Original title: Experimental study of ascendant boiling flow in mini-channels.
- Record ID : 2003-2193
- Languages: English
- Publication date: 2002/08/26
- Source: Source: Proc. Stockholm Meet., IIR
2002-4; H7; 8 p.; fig.; tabl.; 13 ref.
Indexing
- Themes: Mass transfer
- Keywords: Geometry; Mass transfer; Vertical tube; Heat transfer; Modelling; Miniaturization; Boiling
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