Error Values of Measuring Real-Time Propellant Temperatures of One Rocket with Traditional Method

The paper researches error values of measuring real-time propellant temperatures of one rocket with traditional method. Firstly, a temperature-rising experiment for the rocket´s charge is conducted and temperatures on several chosen measurement points are tested. Secondly, the charge´s unstable flow field and temperature field during the experiment are simulated, and thereby the mean temperature of the charge´s propellant district at different time during the experiment, noted as T̅, is gotten. Finally, according to the current procedure measuring the propellent´s real-time temperatures and the T̅-T curve, the error of measuring real time propellant temperatures of one rocket with traditional method is obtained.