Tests on Ventilation Rates and Other Factors in Radiosonde Performance

Patrick J. Harney Air Force Cambridge Research Laboratories, Bedford, Mass.

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Abstract

Concern for the performance of temperature sensitive elements on radiosondes led to these tests on ventilation rates in a special wind tunnel. Results with sondes in current use show large reductions in flow through the housings. Variations of flow with angle of attack indicate that 2:1 changes in convective heat dissipation of sensors in the air duct are possible.

Abstract

Concern for the performance of temperature sensitive elements on radiosondes led to these tests on ventilation rates in a special wind tunnel. Results with sondes in current use show large reductions in flow through the housings. Variations of flow with angle of attack indicate that 2:1 changes in convective heat dissipation of sensors in the air duct are possible.

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