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- W1637697596 abstract "Wind tunnel and flight tests were made to determine the performance characteristics of two designs of commercially available venturi tubes used in airplanes to operate air-driven gyroscopic instruments. Data obtained at sea level may be used to make approximate predictions of performance at higher altitudes. There is some indication that this may also be done for single venturi tubes. For a given installation in which an air-driven instrument is connected through tubing with a venturi tube, the volume rate of induced air flow is approximately proportional to the product of indicated air speed and the square root of the ratio of standard to ambient air pressure. The efficiency of such a system at a given altitude is constant. Rather large variations in suction and efficiency were found for individual tubes of the same design. Cylindrical fairings on the external surface resulted in a reduction of both drag and suction but little change in efficiency." @default.
- W1637697596 created "2016-06-24" @default.
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- W1637697596 date "1937-11-01" @default.
- W1637697596 modified "2023-09-27" @default.
- W1637697596 title "Performance characteristics of venturi tubes used in aircraft for operating air-driven gyroscopic instruments" @default.
- W1637697596 hasPublicationYear "1937" @default.
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