Nixon D. Transonic Aerodynamics 1982
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Textbook in PDF format The review topics are chosen so that the recent advances in experimental techniques and prediction methods can be placed both in a historical context and in the context of the needs of the aircraft designer. The first three articles concern the history of transonic flow research and the needs of commercial and military aircraft manufacturers. The remaining four articles cover experimental techniques, prediction methods including both the commonly used potential methods and the more complex Navier-Stokes calculation methods, and the use of experiment and computational techniques in present aircraft design. The second part of the book concerns the behavior of the potential equation prediction methods in a real design environment. The authors have illustrated both the advantages and present disadvantages of these techniques; they are to be congratulated on their candor. Those who develop the prediction methods should take note of the various points raised in these articles. The third part of the book explores alternatives to the commonly used finite-difference prediction methods. It is not clear if these methods will ever replace the present mainstream techniques but, in any event, it is always a worthwhile exercise to consider different viewpoints of the same problem. The book concludes with some comments on the present understanding of the nature of transonic flow and on the status of prediction methods. Most of the points contained in this article arose during a panel discussion comprised of most of the authors of the review articles