Standard No.:	QJ 2655.2-1994
English Name:	Measurement Method for Parameter of Turbojet Engine and Turbofan Engine for Missile - Temperature
Chinese Name:	弹用涡轮喷气和涡轮风扇发动机参数测量方法 温度
Chinese Classification:	V72    Spacecraft power system
Professional Classification:	QJ    Professional Standard - Aerospace
Issued on:	1994-04-27
Implemented on:	1994-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3000 words
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 temperature measuring system for missile used turbojet and turbofan engines during ground test. This standard is applicable to the steady-state temperature measurement of platinum resistance temperature sensor and thermocouple temperature sensor of missile used turbojet and turbofan engines (hereinafter referred to as engines). 2 Normative references GB 2614 Specification for industrial thermocouple assemblies GB 2903 Copper/Copper-Nickel (constantan) thermocouple wires and their reference tables JJG 617 National metrological verification regulation of the People's Republic of China QJ 1457 General specification for platinum resistance temperature sensors JB 1822 Compensating wires for industrial thermocouples 3 Technical requirements 3.1 Composition of measuring system 3.1.1 The block diagram for thermocouple temperature measuring system is shown in Figure 1.

1 Subject content and application scope 2 Normative references 3 Technical requirements 4 Calibration of the temperature measuring system 5 Test run procedures 6 Test run data acquisition and processing Additional explanation