This paper describes an experimental facility and methods for measuring the aerodynamic and thermal parameters in the interaction between a pulse spray and a vertical surface. The spray-forming unit contains 16 atomizers with opening time regulation (from 1 to 10 msec) and a frequency of up to 50 Hz. The experiments were performed in the regime of evaporation of the liquid precipitated on the surface in the form of separate drops, rivulets, and a continuously flowing sheet. It has been shown that depending on the time parameters of the pulse spray, the integral heat transfer can effectively be controlled over a wide range.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 82, No. 6, pp. 1160–1166, November–December, 2009.
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Nazarov, A.D., Serov, A.F., Terekhov, V.I. et al. Experimental investigation of evaporative pulse-spray impingement cooling. J Eng Phys Thermophy 82, 1184–1190 (2009). https://doi.org/10.1007/s10891-010-0298-2
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DOI: https://doi.org/10.1007/s10891-010-0298-2