Test system and method for simulating engine starting in high-altitude environment
A technology for engine starting and engine application in the direction of engine testing, machine/structural component testing, measuring devices, etc., which can solve problems such as drone flight hazards and accuracy errors
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[0028] In order to overcome the defects of the prior art, the present invention provides an engine starting test system and method in a simulated high-altitude environment. By adjusting the intake pressure and intake temperature of the engine, a low-temperature, low-pressure (eg plateau or high-altitude) environment is simulated. , start the engine according to the work flow of the engine on the aircraft to obtain the parameters of its starting process, which is convenient for analysis and testing.
[0029] like figure 1 Shown is a schematic diagram of the engine starting test system in a simulated high-altitude environment, including a low-temperature air supply system connected to the intake side pipeline of the engine, and an exhaust system connected to the exhaust side pipeline of the engine.
[0030] The low-temperature air supply system includes an air storage tank 11 , a first regulating valve 12 , an expansion turbine unit 13 , a power regulator 14 , an electric heater...
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