NASA Technical Reports Server (NTRS) : Effect pdf

NASA Technical Reports Server (NTRS) : Effect_bookcover

NASA Technical Reports Server (NTRS) : Effect

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Interacting two-phase flow in four differently sized pneumatic two-fluid atomizers was investigated to determine the effect of gas mass-velocity on the Sauter mean diameter of sprays produced by small diameter liquid jets breaking up in high velocity gas flow. Tests were conducted primarily in the acceleration-wave regime for liquid jet atomization, where it was found that the loss of droplets due to vaporization had a marked effect on drop size measurements. A scattered-light scanner, developed at NASA Lewis Research Center, was used to measure the Sauter mean diameter, D sub 32, which was correlated with nitrogen gas mass-velocity to give the following expression: D (sup -1)(sub 32) = 11.7(rho (sub n) V (sub n)) (sup 1.33). The exponent 1.33 for the gas mass-velocity is identical to that predicted by atomization theory for liquid jet breakup in the acceleration-wave regime

  • Creator/s: NASA Technical Reports Server (NTRS
  • Date: 1/1/1988
  • Year: 1988
  • Book Topics/Themes: NASA Technical Reports Server (NTRS), FLUID JETS, FUEL COMBUSTION, GAS FLOW, LIQUID ATOMIZATION, MASS, VELOCITY, LIGHT SCATTERING, MEASURING INSTRUMENTS, SPRAYERS, Ingebo, Robert D

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