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Excerpt from Drag on a Body in Nearly-Free Molecular Flow A third method, as yet not fully analyzed, has been advanced by Enoch It is applicable to high speed flows for which the distribution functions, which are highly peaked about some average velocity, may be approximated by o - functions. The full collision integral is then replaced by a simpler model which, however, retains the three conservation laws. The fore going analysis has been successfully applied to high speed plane Couette flow, the distribution function and its first three moments having been obtained analytically. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.