Rapid transient explosive boiling of binary mixture under pulsed-laser irradiation |
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Authors: | Email author" target="_blank">Huai?Xiulan?Email author Liu?Dengying Dong?Zhaoyi Jin?Renxi Wang?Guoxiang |
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Affiliation: | 1. Institute of Engineering Thermophysics, Chinese Academy of Sciences,Beijing 100080, China 2. Department of Mechanical Engineering, The University of Akron, Akron, Ohio 44325-3903, USA |
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Abstract: | Rapid transient explosive boiling of mixed ethanol and acetone of different volume fractions were investigated experimentally. The temperature of the metal film surface irradiated by a pulse laser was measured by a fast-response measurement system with a platinum film resistor. The behaviors of bubbles, including their formation, growth, departure and floating-up, were observed and captured by a microscope camera system. It was found that bubble nucleation temperature depends strongly on the heating rate. Some special characteristics different from those of conventional boiling were revealed, and the factors affecting explosive boiling were studied. |
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Keywords: | pulsed laser mixture medium explosive boiling temperature measurement |
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