Showing papers in "Progress in Aerospace Sciences in 1975"

TL;DR: In this paper, the authors give a simple, unified, analytical description of a wide range of mechanisms associated with the generation of sound by unsteady fluid motion, including radiation from compact and noncompact multipole sources, Lighthill's theory of sound emission from free turbulence, effects of source convection, sound generation from flow interaction with solid surfaces and inhomogeneities of the medium, and singular perturbation aspects of the aerodynamic sound problem.

TL;DR: This monograph can serve as a useful sequel to the monograph by Bryer and Pankhurst, entitled “Pressure-probe Methods for Determining Wind Speed and Flow Direction”, adding further details on topics discussed therein and other topics not already included.

TL;DR: The first representation of a continuous vortex sheet by discrete vortices was presented by Rosenhead (1932) when he investigated the instability of the surface of discontinuity between two streams of the same density but with velocities equal in magnitude (U) but opposite in direction as mentioned in this paper.

TL;DR: In this paper, a review of various existing methods for reducing base drag of two-dimensional and axisymmetric bodies having a blunt base is given, including splitter plates, both thin and thick, splitter wedges, base bleed, boat-tailing and various types of serrated trailing edges.

TL;DR: In this article, the authors present highlights of a recent survey of the future needs for dynamic stability information for such aerospace vehicles as the space shuttle and advanced high-performance military aircraft, and make recommendations regarding equipment that should be constructed to remedy this situation.

TL;DR: In this paper, the authors presented theoretical methods to determine the gas dynamic and the electrostatic effects due to the interaction caused by a rapidly moving body in the ionosphere using the kinetic theory of collision-free plasma.

TL;DR: A general review of methods at present available for treating problems of supersonic turbulent separated flows is presented in this article, where the authors examine the two theoretical avenues of research most frequently used to treat that kind of problem, viz. the overall methods based on the Chapman-Korst flow model; on the other hand, the integral techniques.

TL;DR: In this article, a comparison of experimentally and theoretically derived values for the recombination rate constant has to be done with great care, as in the majority of the experiments KR is determined from the measured rate of disappearance of free electrons.