Accurate Calibration of Low-Speed Wind Tunnels, Including Humidity and Compressibility

Autor:	Eugene E. Covert, Frank H. Durgin
Rok vydání:	2001
Předmět:	Observational error Meteorology Instrumentation Aerospace Engineering Static pressure Mechanics symbols.namesake Mach number Compressibility symbols Calibration Environmental science Stagnation pressure Wind tunnel
Zdroj:	AIAA Journal. 39:2417-2419
ISSN:	1533-385X 0001-1452
DOI:	10.2514/2.1257
Popis:	Introduction IMPROVEMENTS in instrumentation and sensors have the improved measurement accuracy of wind-tunnel data to the 0.1% level.The assumptionsand limitsunderlyingthemodelsof the physical processes must be clearly understood to ensure the additional digits in the output are meaningful. Historically, a steady incompressible working  uid has been the model for steady, low-speed  ow, and so the relationbetweendynamic pressure,stagnationpressure, and static pressure is
Databáze:	OpenAIRE
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