期刊
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
卷 115, 期 -, 页码 1173-1181出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2017.08.116
关键词
Heat transfer; Buoyancy; Horizontal; Supercritical; Hydrocarbon fuel
Experimental investigations on heat transfer of supercritical pressure aviation hydrocarbon fuel RP-3 in a horizontal miniature round tube were conducted. The influence of buoyancy on heat transfer of RP-3 was studied. Buoyancy effect is particularly significant in horizontal flows, which leads to non-uniform temperature distributions in cross section of the test section even for the miniature round tube. The buoyancy effects of heat transfer can be well evaluated by the non-dimensional parameter Gr(q)/Gr(th) developed by Petukhov. And this criterion was first tested for the horizontal flow in miniature round tube under supercritical pressure conditions. At last, this paper proposed a correlation of Nusselt number for supercritical pressure aviation fuel in the horizontal tube. (C) 2017 Elsevier Ltd. All rights reserved.
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