Abstract

Results are presented from the experimental study of the effect exerted by the length of a cylindrical mixing chamber in a supersonic ejector on the efficiency of its operation. The physical mechanism of maintaining rarefaction is analyzed for a mixing-chamber length less than the optimum. It is established that the length of the mixing chamber of the ejector, ensuring maximum rarefaction for a zero coefficient of ejection, depends exclusively on M a at the nozzle outlet. The optimum length of the mixing chamber is given as an empirical function of M a .

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