Application of High-Speed Strain-Gage Torquemeter to Turbomachinery Research

Abstract In turbomachinery-component research, it is frequently impractical to obtain power measurements by conventional cradled dynamometers. This paper presents a description of a high-speed strain-gage torquemeter having the high accuracy required for this research and shows the application of this torquemeter to compressor and turbine setups. The paper also discusses pertinent factors for obtaining accurate measurements with the instrument.