FIELD: physics.
SUBSTANCE: implemented method involves establishing air flow running through simulated air inlet mounted at preset height relative to runway simulating screen. Reservoir located under the mouth of air inlets directly on the screen surface is filled with substance exposed to vortex flow generated under the air inlet thus evaluating amount of substance elevated from reservoir and delivered to storage device installed in the lip of simulated device. Reservoir filling substance is fluorescent painted solid particles of shape and size specified under similarity condition. The same unpainted solid particles are layered on the screen surface surrounding reservoir and forming together solid particles in reservoir, common surface simulating runway surface. Establishing air flow running through simulated air inlet concurs with establishing external air flow blowing round the simulated device at the angle 0° to 90°. The screen and simulated device are illuminated with light source invoking fluorescent painted solid particles to luminesce. Trajectories of scattering illuminated particles are registered both from outside, and inside of the model with using photography and/or video filming. Installation contains simulated motor body with air inlet, air inlet suction system, runway simulating fixed screen, reservoir under the mouth of air inlet filled with substance exposed to vortex flow generated under the air inlet, and storage device installed in the lip of simulated device. It is supplied with ventilating installation simulating external adjustable air flow of various speed, orientation and irregularity degree. Reservoir is filled with fluorescent painted solid particles of shape and size specified under similarity condition. Reservoir is surrounded with the same layered unpainted solid particles forming together with solid particles in reservoir, common surface simulating runway surface. Additionally the installation is supplied with light source enabling fluorescence effect, and photography and/or video filming facilities for recording trajectory of illuminated particles.
EFFECT: possibility to estimate particles behaviour under air inlet, to acquire data concerning trajectory of particles delivered to air inlet passage and impact point to internal surface of model, engine protection rate and to determine definition of safe taxing across the airdrome at various power conditions and various environment.
20 cl, 10 dwg
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