FIELD: weapons and ammunition.
SUBSTANCE: test bench for high-altitude testing of rocket engines contains a pressure chamber and an exhaust diffuser with an output section including two-end, outer and inner walls forming the annular space of the jacket cooling system. Along the perimeter of the rear end wall of the exhaust section of the exhaust diffuser, openings or nozzles are evenly located, they provide the outlet of working fluid from the jacket cooling system beyond the section of the exhaust diffuser.
EFFECT: invention makes it possible to increase the cooling efficiency of the walls of the diffuser outlet section by forming a uniform flow of working fluid along the hot wall of the jacket cooling system, and also allows irrigation of the jet stream of the rocket engine behind the cutoff of the exhaust diffuser.
3 cl, 5 dwg
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