Fuel supply system and method for shock tunnel scramjet engine air intake test
A fuel supply system, shock tunnel technology, applied in gas turbine engine testing, jet engine testing, aerodynamic testing, etc., can solve problems such as weakness, achieve stable fuel injection pressure, ensure safety, and ensure safety Effect
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[0033] A fuel supply system for shock wave wind tunnel supercombustion engine inlet test, the system includes hydrogen filling branch 1, nitrogen replacement branch 2, emptying branch 3, vacuuming branch 4, fuel injection Flow branch 5 and fuel jet flow control part 6;
[0034] The hydrogen filling branch 1 includes a hydrogen gas source 101, a hydrogen pressure reducing valve 102, a one-way valve 103, a hydrogen tempering device 104, a hydrogen branch valve 105 and pipelines;
[0035] The nitrogen replacement branch 2 includes a nitrogen source 201, a nitrogen branch pneumatic valve 202, a nitrogen branch valve 203 and pipelines;
[0036] The emptying branch 3 includes a hydrogen safety valve 301, an emptying valve 302, a hydrogen tempering device 303 and pipelines;
[0037] The vacuum branch 4 includes a vacuum branch valve 401, a vacuum pump 402 and pipelines;
[0038] The fuel jet branch 5 includes a buffer tank 501, a buffer tank pressure sensor 502, a hydrogen high-speed valve 50...
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