There are no published experimental data for horizontal rectangular channels with h smaller 2 mm. Long channels have been investigated systematically. Usual length of flow before the observation area was usually about 100 - 1000 equivalent diameters. In cooling systems of microelectronics the length should be less than 100 mm. In micro systems and lab-on-chip devices zone of two-phase flow could be several centimeters or millimeters. For experiments on board of space station, also, the short channels are preferable. The purpose of this work is investigation of two-phase flow regimes in the short (length of 80 mm) rectangular channel in the wide range of gas (nitrogen or air) and liquid (water) flow rates. new flow regimes are observed and the two-phase flow pattern map is created. The obtained results are compared with the data
Two-phase flow in short rectangular mini-channel
Zweiphasenströmung in einem kurzen rechteckigen Minikanal
International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications, 2 ; 44-47
Microgravity Science and Technology ; 19 , 3/4
2007
4 Seiten, 9 Bilder, 5 Quellen
Conference paper
English
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