ASHRAE 87.1-1992
风扇振动测试方法 叶片振动和临界速度

Method of Testing Fan Vibration - Blade Vibrations and Critical Speeds

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标准号

ASHRAE 87.1-1992

发布

1992年

发布单位

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

当前最新

ASHRAE 87.1-1992

 

 

适用范围

This standard applies to propeller fans for use in heating@ refrigerating@ and air-conditioning units. The fans may be of a built-up or monolithic construction and with or without resilient hubs. The sizes typically range from 10 in. (250 mm) to 30 in. (760 mm) in diameter.This standard covers only fans intended to be mounted directly on the shaft of the drive motor.This test characterizes the fan by itself@ independent of the specific application for which the fan is intended.A method for predicting the critical spends from the test data is included.The scope of this standard does not cover(a) resonances in the motor/support system@(b) torsional resonances excited by motor torque pulsations@ or(c) test methods for the reliability qualifications of fans in a given application; these will be covered in proposed ASHRAE Standard 87.2 currently under development.

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