Download or read book The Effect of Plenum Volume on the Test Section Flow Characteristics of a Perforated Wall Transonic Tunnel written by C. F. Anderson and published by . This book was released on 1970 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests were conducted in the Aerodynamic Wind Tunnel (1T) of the Propulsion Wind Tunnel Facility to determine the effects of test section plenum chamber volume on the centerline Mach number distributions, wave-cancellation properties of perforated walls, model force data, and tunnel acoustics at Mach numbers from 0.6 to 1.3. Results were obtained with plenum chambers of four different sizes at plenum-to-test section volume ratios between 8.3 and 0.8. Reducing plenum volume produced no measurable effect at Mach numbers below 0.95. At Mach numbers above 0.95, decreasing the plenum volume increased the internal plenum losses, increased the plenum suction requirements, and increased the centerline Mach number deviations; however, the Mach number deviations were small at Mach numbers below 1.15. Reducing the plenum volume also produced a small increase in the effective wall porosity but had no measurable effect on measured model forces except to increase the forebody drag coefficient at Mach numbers above 1.05. Changes in the plenum volume had no significant effect on tunnel acoustics. (Author).

Download or read book Plenum written by Geoffreyjen Edwards and published by Untimely Books. This book was released on 2022-04-15 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: A young star gardener embarks on a religious pilgrimage in this debut space opera. (Kirkus Reviews)

Download or read book The Underfloor Plenum written by H. Edward Dickerhoof and published by . This book was released on 1971 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Between Two Plenums written by Ellis Joffe and published by University of Michigan Press. This book was released on 2020-08-06 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origins of the Cultural Revolution are still shrouded in uncertainty. Crucial questions either remain unanswered or have been given answers which derive from conflicting interpretations. To what period can the direct origins of the Cultural Revolution be traced? What issues, if any, divided the leadership, and how deep were these divisions? What was the state of power relations and what was Mao’s position? Why did developments in the period preceding the Cultural Revolution reach a climax in such a convulsion? Between Two Plenums examines these questions as they apply to the years 1959–1962. At base, the perspective of pre-Cultural Revolution politics adopted therein is that of “conflict” rather than “consensus.” From this vantage point, the Eighth and Tenth Plenums loom in retrospect as important watersheds in the development of the intraleadership conflict which culminated in the great upheaval.

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Download or read book Model Specification for Tunnelling written by British Tunnelling Society and published by Thomas Telford. This book was released on 1997 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference aims to establish a common standars for the design and construction of tunnelling in the UK. With the minimum of modification the specification is also suitable for international use. It includes recent legislation, and indicates minimum standards for materials and workmanship, and has been written to be used as a contract specification on its own, or in conjunction with other standard specifications on multi-disciplinary projects. Drawing heavily on the practical experience of both corporate and individual members of the British Tunnelling Society, this document provides a sound basis for specifying tunnelling design and construction.

Download or read book The Argument a Priori for the Being and the Attributes of the Lord God the Absolute One and First Cause written by William Honyman Gillespie and published by . This book was released on 1872 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book The Argument a Priori for the Being and the Attributes of the Lord God Sixth Edition L P written by William Honyman Gillespie and published by . This book was released on 1872 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Argument a Priori for the Being and the Attributes of the Absolute One and the First Cause of All Things written by William Honyman Gillespie and published by . This book was released on 1871 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Argument a Priori for the Being and the Attributes of the Absolute One written by William Honyman Gillespie and published by . This book was released on 1871 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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