Abstract
The problem of the evolution of a hydrogen-air cloud formed as a result of the spillage and evaporation of a certain amount of liquid hydrogen is formulated. The effect of various factors (initial shape and temperature, condensation of atmospheric moisture) on the dynamics of the cloud and its dangerous (from the standpoint of ignition and explosion) propties is analyzed by means of numerical modeling and an approximate method based on a thermodynamic adiabatic mixing scheme. The results of the approximate theory, the numerical calculations and physical experiments are compared.
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 3, pp. 92–101, May–June, 1991.
The authors are grateful to I. A. Bolod'yan, V. I. Makeev, A. G. Frolov, and A. P. Chuguev for useful discussions and assistance.
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Kestenboim, K.S., Makhviladze, G.M. & Fedotov, A.P. Evolution of a cloud of low-temperature light gas in an open atmosphere. Fluid Dyn 26, 393–402 (1991). https://doi.org/10.1007/BF01059011
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DOI: https://doi.org/10.1007/BF01059011