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Special characteristics of the breakup of liquid drops with a high gas pressure

Abstract

In a majority of power plants, the conversion of a liquid fuel into combustion products takes place at high pressure and with a high velocity of the motion of the gas. It is natural that in the choice of the working scheme of the process account must be taken of the effect of possible changes in the characteristics of the atomization process of a liquid fuel, connected with a change in the density of the gas. Of particular importance is the effect of perturbations of the pressure and the velocity on the behavior of liquid drops in a high-density gas flow. The number of communications in which such questions are discussed is very limited, since an overwhelming number of experiments were made at atmospheric pressure [1–7]. Only articles [8, 9] give qualitative concepts with respect to the effect of perturbations of the pressure on the breakup of drops with a gas pressure up to 30 atm. From the information given in [8, 9] it is difficult to form a judgment with respect to the change in the critical conditions and the time parameters of the process of the breakup of drops with a rise in the initial pressure (density) of the gas.

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Literature cited

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Translated from Zhurnal Prikladnoi Mekhaniki i Tekhnicheskoi Fiziki, No. 4, pp. 61–66, July–August, 1975.

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Gel'fand, B.E., Gubin, S.A., Kogarko, S.M. et al. Special characteristics of the breakup of liquid drops with a high gas pressure. J Appl Mech Tech Phys 16, 523–527 (1975). https://doi.org/10.1007/BF00858290

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Keywords

  • Combustion
  • High Pressure
  • Power Plant
  • High Velocity
  • Critical Condition