FIELD: testing equipment.
SUBSTANCE: inventions are related to experimental aerodynamics and may be used for aerodynamic testing of aircraft models. Device comprises imitator of engine with air intake, flow channel and ejector, installed in holder of supersonic aerodynamic pipe weigher, and pipe comprises system of working agent supply into ejector. Holder is equipped with supporting pylon having screen, where AFJE imitator is installed. Method for detection of efficient traction characteristics of AFJE imitators includes installation of device with imitator in aerodynamic pipe, blow with supersonic flow and measurement of traction characteristics with the help of aerodynamic weighers. Characteristics of device are measured twice: together with installation on screen of AFJE imitator and supply of working agent of jets to ejector, i.e. with traction, and without imitator, then differences of produced characteristics are calculated, which represent efficient traction characteristics of AFJE imitator. Method for monitoring of validity in identification of efficient traction characteristics of AFJE imitator includes installation of device with imitator in aerodynamic pipe, blow with supersonic flow and measurement of traction and torque characteristics with the help of aerodynamic scales.Characteristics of device are measured twice: with installation on screen of AFJE imitator and supply of working agent to ejector, i.e. with traction, and without supply of working agent, i.e. without traction, then differences of characteristics are calculated, value obtained is analog of internal traction and traction torque, which are used to identify traction effect arm, which should be equal to distance from holder axis to point that lies within the limits of dimensional height of AFJE imitator flow channel.
EFFECT: creation of device for detection of efficient traction characteristics of AFJE imitators.
3 cl, 4 dwg, 2 ex
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