This paper presents the results of experimental investigations of the liberation of air in gravity flow of aviation fuel through a pipeline with diaphragms. Experiments were carried out in the pressure range 0.2–1.0 bar and temperature range –20 to +20°C. The TC-1 kerosene was preliminarily saturated with air at atmospheric pressure. The liberation of air after the diaphragms with three ratios of the flow area to the cross-sectional area of the pipeline has been investigated. The results of investigations of the two-phase flow in several experimental pipelines containing one or two diaphragms and other local hydraulic resistances have been generalized. The obtained approximation equations permit calculating the hydraulic resistance of the diaphragm in the two-phase flow and the mass gas content of air after the diaphragm in pipelines of complex geometry.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 89, No. 5, pp. 1221–1231, September–October, 2016.
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Kitanin, É.L., Kitanina, E.É., Zherebtsov, V.A. et al. Hydraulic Resistance and Liberation of Air in Aviation Kerosene Flow Through Diaphragms at Low Pressure. J Eng Phys Thermophy 89, 1212–1221 (2016). https://doi.org/10.1007/s10891-016-1484-7
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DOI: https://doi.org/10.1007/s10891-016-1484-7