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Boiling of a refrigerant of low GWP on the surface with copper microchannels

The boiling curves and heat transfer coefficients between the heating surface and fluid were investigated in the paper. Copper samples with horizontal microchannels of rectangular cross-section, variable depth and width were the objects of the study. The following geometrical parameters have been us...

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Published in:E3S web of conferences 2018-01, Vol.70, p.2007
Main Authors: Kaniowski, Robert, Pastuszko, Robert
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Language:English
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description The boiling curves and heat transfer coefficients between the heating surface and fluid were investigated in the paper. Copper samples with horizontal microchannels of rectangular cross-section, variable depth and width were the objects of the study. The following geometrical parameters have been used: microchannel width 0.2; 0.3 and 0.4 mm, depth between 0.2 and 0.5 mm (change every 0.1 mm). Boiling refrigerant was Novec-649 (GWP = 1), and the experiment was performed at atmospheric pressure. Geometrical parameters impact, within a given range of heat flux 3 – 130 kW/m 2 , on the heat transfer process was determined.
doi_str_mv 10.1051/e3sconf/20187002007
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title Boiling of a refrigerant of low GWP on the surface with copper microchannels
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