INFLUENCE OF NOZZLE GEOMETRY ON THE PERFORMANCE OF A PULSE DETONATION WAVE ENGINE

Test results from an experimental investigation of the effect of nozzle geometry on the performance of a pulse detonation wave engine (PDE) are presented. Two detonation chamber geometries, cylindrical and annular, were tested. For each configuration, tests were conducted both with and without conical exhaust nozzles. The expansion angles of the nozzles were 9.52 and 14.24 deg. Data were obtained for stoichiometric mixtures of propane and oxygen, at a frequency of 20.4 to 28.5 Hz. Maximum performance was achieved with the annular configuration with the 14.24 degree nozzle.

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