期刊
JOURNAL OF ELECTRONIC PACKAGING
卷 123, 期 3, 页码 165-172出版社
ASME
DOI: 10.1115/1.1371923
关键词
jet impingement; air jets; multiple jets; electronics cooling
Heat transfer from a discrete heat source to multiple, normally impinging, confined air jets was experimentally investigated. The jets issued from short, square-edged orifices with still-developing velocity profiles on to a foil heat source which produced a constant heat flux. The orifice plate and the surface containing the heat source were mounted opposite each other in a parallel-plates arrangement to effect radial outflow of the spent fluid. The local surface temperature was measured in fine increments over the entire heat source. Experiments were conducted for different jet Reynolds numbers (5000<20,000), orifice-to-target spacing (0.5
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