Airflow Calibration of a Bellmouth Inlet for Measurement of Compressor Airflow in Turbine-powered Propulsion Simulators1985 - 17 pages |
Common terms and phrases
absolute error actual airflow actual ideal AIAA Airflow Calibration Airflow measurement airflow per unit ambient pressure Ames Research Center atmospheric pressure bellmouth discharge coefficient bellmouth flowmeter bellmouth inlet BELLMOUTH THROAT MACH bellmouth was calibrated boundary layer CEESI Colorado Engineering Experiment COMPRESSOR AIRFLOW computed airflow CONTROL VALVE critical venturi critical-venturi flowmeters Data were taken development of turbine-powered DIMENSIONS IN centimeters exhaust duct experimental scatter extension tube Figure flowmeter was conducted four inlet pressures full scale high-speed wind tunnel Hysteresis inlet was instrumented installed isentropic Kay Digistrip Recorder kg/sec kPa 8.4 psia Mach number tested mass flow rate measure compressor-inlet airflow MEASUREMENT OF COMPRESSOR Moffett Field NASA number and Mach overall accuracy scatter Paroscientific Digiquartz Performing Organization plenum chamber plenum pressures POWERED PROPULSION SIMULATORS pressure transducers ratio sea-level standard simulators for high-speed TANGENT POINT test conditions throat centerline fig throat Mach number total-pressure probes turbine-powered propulsion simulators wind tunnel models