Standard No.:	QJ 2655.5-1994
English Name:	Measurement Method for Parameter of Turbojet Engine and Turbofan Engine for Missile - Air Flow
Chinese Name:	弹用涡轮喷气和涡轮风扇发动机参数测量方法 空气流量
Chinese Classification:	V72    Spacecraft power system
Professional Classification:	QJ    Professional Standard - Aerospace
Issued on:	1994-04-27
Implemented on:	1994-11-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	90.0
Delivery:	via email in 1 business day

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