A sample of rocket engine thrust chamber with cooling channels was successfully manufactured by APEF.
成功制造出带冷却通道的火箭发动机推力室身部样件。
The test result shows that maximum tolerance of the simulated ambient pressure deviation is about 14% under which the engine thrust uncertainty remains less than 1.0%.
试验结果表明，在保证推力不确定度优于1.0%的条件下，拉瓦尔喷管发动机高空模拟试验的模拟偏差容限约为14%。
Thrust test-bench is one of the key technologies for accurate measure of rocket engine thrust. But test-benches that can compromise with both long and short burst measurement are quite few.
推力测试台架是准确测量火箭发动机推力的关键技术之一，但现有的测试台架能够很好兼顾长、短脉冲测试的较少。
Thrust test-bench is one of the key technologies for accurate measure of rocket engine thrust. But test-benches that can compromise with both long and short burst measurement are quite few.
推力测试台架是准确测量火箭发动机推力的关键技术之一，但现有的测试台架能够很好兼顾长、短脉冲测试的较少。
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