FIELD: testing.
SUBSTANCE: invention relates to the test equipment, in particular to the aviation equipment components test benches, and can be used to test the propeller-motor unit (motor with the installed propeller) of small unmanned aerial vehicles under icing conditions. Device comprises a freezing chamber, a power supply system and control over the revolutions of the tested propeller-motor unit, tested propeller-motor unit state monitoring system, air temperature and humidity meters inside the freezing chamber, two-phase nozzle spraying water to the tested propeller-motor unit, water and compressed air supply systems to the two-phase nozzle. System of compressed air supply to a two-phase injector, apart from a compressor with a receiver, a pipeline, a filter and a compressed air pressure control, comprises an air drier.
EFFECT: high accuracy of test results with compactness and energy efficiency of the test bench.
9 cl, 4 dwg
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