Design of gasoline vapor ejection condensator from vapor and gas mixtures

Authors

DOI:

https://doi.org/10.15587/1729-4061.2015.48201

Keywords:

ejection heat exchanger, heat-mass transfer, convective and molecular diffusion, mathematical model

Abstract

The calculation method of the ejection apparatus, which operates with flammable and explosive vapor-gas flow is considered. Calculation of the apparatus is performed without prior experimental research of the operation with gasoline vapor. The calculation method is based on two models. The first Pazhi-Galustov model is theoretical, the second Andreev model uses similarity criteria. The Stefan formula, as applied to the polar coordinate system was derived, which has allowed to give a more rigorous description of the mass transfer mechanisms at the droplet interface. The results of Andreev E.I., obtained for the nozzle chambers of air conditioners were used for deriving the heat-mass transfer intensity equation according to the first model by numerical simulation. The approach, which has allowed to develop recommendations for a constructive design of the ejection apparatus for condensing gasoline vapors without dangerous experimental research was proposed. In particular, the numerical experiment has shown that in order to reduce materials consumption, the length of the apparatus is advisable to be no more than 1.5 m, and the ratio of mass flows of brine and vapor-gas mixture, providing the necessary gasoline vapor recovery degree must be at least 5:1.

Author Biographies

Михаил Михайлович Кологривов, Odesa National Akademy of Food Technologies 112 Kanatna str., Odesa, Ukraine, 65000

PhD, Associate Professor

Department of heating energy and energy sources pipeline transport 

Виталий Петрович Бузовский, Odesa National Akademy of Food Technologies 112 Kanatna str., Odesa, Ukraine, 65000

Assistant

Department of heating energy and energy sources pipeline transport 

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Published

2015-08-18

How to Cite

Кологривов, М. М., & Бузовский, В. П. (2015). Design of gasoline vapor ejection condensator from vapor and gas mixtures. Eastern-European Journal of Enterprise Technologies, 4(6(76), 29–37. https://doi.org/10.15587/1729-4061.2015.48201

Issue

Vol. 4 No. 6(76) (2015): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2015 Михаил Михайлович Кологривов, Виталий Петрович Бузовский

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