1 Subject content and application scope
This standard specifies the technical requirements, calibration, test run procedures, data acquisition and processing methods of the steady-state air flow measuring system for missile used turbojet and turbofan engines during ground test.
This standard is applicable to the steady-state air flow measurement of missile used turbojet and turbofan engines (hereinafter referred to as engines). It may also be used as a reference for the steady-state air flow measurement on pipe test bench.
2 Normative references
QJ 2655.1 Measuring method for parameters of missile used turbojet and turbofan engines - Intensity of pressure
QJ 2655.2 Measuring method for parameters of missile used turbojet and turbofan engines - Temperature
3 Terms
3.1
process intake
air collection device installed in front of the engine inlet for test and used to measure the air flow
3.2
flow calibration coefficient
ratio of the air flow measured at the measured section of the process intake to the calibrated flow
1 Subject content and application scope
2 Normative references
3 Terms
4 Technical requirements
5 Test run procedures
6 Test run data acquisition and processing
Additional explanation
