EFFECTS OF A PARTICLE-LADEN DRIVING STREAM ON EJECTOR EFFICIENCY.
KAYE (JOSEPH) AND CO CAMBRIDGE MASS
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This report describes a series of experiments per formed to determine the effects of a particle laden driving stream on ejector efficiency. CO2 was used as the driving stream in a family of geometrically similar ejectors in which air was the driven stream. Four different driving streams were used. The four driving streams were designed to have the same exit plane area, pres sure, and velocity. The mass percentage of solid CO2 condensed in the driving nozzle was the pri mary design variable. The maximum particle con centration obtained at the driving nozzle exit plane was approximately 28 by mass. Two dif ferent constant area mixing sections were used. The results for the larger mixing section are believed to be most valid. They indicate that in creased particle concentration in the driving stream increases maximum ejector efficiency. Author