低压下贫氧推进剂燃烧性能测试方法研究

A Study on Measurement of Fuel rich Propellant Combustion Property at Low Pressure

研究认为，较适宜的低压下贫氧推进剂燃速测试方法有靶线法、热电偶法、超声波法、发动机法和高速摄影法等。在低压贫氧推进剂燃速及燃速压强指数的数据处理过程中，应注意表压和绝对压强之间的差异，同时要注意选用合适的燃速规律。

By consideration of the combustion characteristics of the fuel rich propellant at low pressure,the various techniques to measure the combustion properties of the fuel rich propellant,such as, the strand burner method,thermocouple method,ultrasonic method,firing test and high speed photography method are evaluated. The difference between the recorded pressure and absolute pressure should be noticed in the low pressure experiment data process as well as the selection of the burning rate and pressure correlations.