NASA NTRS · 19920028389
Determination of balloon drag
Abstract
The evolution of an empirical drag relationship that has stimulated rethinking regarding the physics of balloon drag phenomena is discussed. Combined parasitic drag from all sources in the balloon system are estimated to constitute less than 10 percent of the total system drag. It is shown that the difference between flight-determined drag coefficients and those based on the spherical assumption should be related to the square of the Froude number.
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Conrad, George R., Robbins, Edward J.. 1991-01-01. Determination of balloon drag. https://ntrs.nasa.gov/citations/19920028389
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