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Boiling heat transfer in a small horizontal rectangular channel [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1993.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
38 pages : digital, PDF file
Additional Creators
Argonne National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Compact heat exchangers have traditionally found wide application in the transportation industry, where they are used as evaporators and condensers in vapor compression cycles for air conditioning and refrigeration. Such heat exchangers possess numerous attractive features including high thermal effectiveness, small size, low weight, design flexibility, and pure counterflow, and they can accommodate multiple streams. Today, there is a widespread interest in expanding the range of application of compact heat exchangers to include phase-change heat transfer in the process industries, among others. An overall objective of this effort is to provide the basis for establishing design technology in this area. In the present study, small channel flow boiling heat transfer was extended to a rectangular channel (4.06 × 1.70 mm) using refrigerant 12 (R-12). As with the circular tube studies, the flow channel wall was electrically heated providing a constant heat flux. Tests were performed over a quality range of 0.15 to 0.80, and large ranges of mass fluxes (50 to 400 kg/m²s) and heat flux (4 to 34 kW/m²). Heat transfer was measured and results are compared with correlation predictions.
Report Numbers
E 1.99:anl/mct/cp--78815
E 1.99: conf-930830--27
conf-930830--27
anl/mct/cp--78815
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
08/01/1993.
"anl/mct/cp--78815"
" conf-930830--27"
"DE93019527"
National conference and exposition on heat transfer,Atlanta, GA (United States),8-11 Aug 1993.
Wambsganss, M.W.; Jendrzejczyk, J.A.; Tran, T.N.; France, D.M.
Funding Information
W-31109-ENG-38
View MARC record | catkey: 14112782