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The Definitions of Terms Relating to Various Flow Regimes of a Gas—Some Proposals

Published online by Cambridge University Press:  04 July 2016

Extract

In recent years there has been a rapid expansion of the ranges of speed and altitude that are of practical interest to aircraft and missile designers. In consequence, several new terms have been introduced to describe the new flow regimes that require to be considered and, at the same time the meanings of some of the older terms have undergone a measure of modification. The meanings attached to these terms by different workers have not always been consistent, differences have sometimes arisen from the differences of outlook between theoretical and experimental workers or between those concerned primarily with the motion of a fluid and those concerned primarily with the forces on a body in the fluid. To avoid the confusion that may readily arise if such differences become too well established it was felt desirable at this stage to attempt the formulation of unambiguous definitions of the more important terms in current use.

Type
Research Article
Copyright
Copyright © Royal Aeronautical Society 1958

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