Download Skystreak, Skyrocket, & Stiletto: Douglas High-Speed by Scott Libis PDF

By Scott Libis

;Skystreak, Skyrocket, & Stiletto: Douglas High-Speed X-Planes ВОЕННАЯ ИСТОРИЯ,ТЕХНИКА Название: Skystreak, Skyrocket, & Stiletto: Douglas High-Speed X-PlanesАвтор: Scott LibisИздательство: distinctiveness PressISBN: 1580070841Год: 2005Страниц: 148Формат: PDF в RARРазмер: 47.08МБЯзык: английскийGas turbine expertise gave beginning to the turbojet engine through the Nineteen Forties, ushering within the jet age. Paralleling turbojet improvement, the fledgling rocket engine used to be able to make a grandiose debut. yet aeronautical advances were not restricted to propulsion know-how - the time used to be additionally correct for incorporating a swept wing right into a full-scale plane. The Douglas D-558-1 Skystreak, D-558-2 Skyrocket, and X-3 Stiletto have been one of the first airplane to mix airframe to powerplant in ways in which could set the traditional for plenty of modern day plane designs. those plane have been on the vanguard of a renaissance in aeronautical discovery, the likes of that have no longer been obvious since.Aeronautical background was once made with those plane as they explored transonic and supersonic flight. one of many D-558-2 Skyrockets even turned the 1st manned airplane to exceed Mach 2. during this quest for wisdom, documents have been damaged, mysteries solved, and a existence was once lost.Author Scott Libis brings the tale of those appealing Douglas airplane to existence with greater than three hundred pictures and illustrations.Скачать: DepositfilesUploading Hotfile zero

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Extra info for Skystreak, Skyrocket, & Stiletto: Douglas High-Speed X-Planes

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The experiments carried out by Haenlein [8] in 1932 provided strong evidence for theoretical analysis, and the process of liquid jet atomization was divided into four classic regimes. In 1936, Ohnesorge [9] carried out dimensionless analysis based on photograph experiments and classified liquid jet breakup into three regimes based on a dimensionless parameter Oh (Ohnesorge number). Oh is the product of the Re (Reynolds number) and We (Weber number): Oh = Re0 5 We = μl ρl σd 24 In 1978, Reitz [10] summarized the work of Haenlein and Ohnesorge, and proposed four regimes of liquid jet breakup depending on Re and Oh.

The spray cone angle, initial droplet diameter, and the breakup length predicted by this theory are in good agreement with experimental results. 3 Liquid Sheet Breakup Studies on the stability of the liquid sheet date back to 1868 when Helmholtz came up with the instability problem of two incompressible fluids with different densities. In 1871, Kelvin analyzed this stability problem and investigated the ripples caused by wind under the combined action of the liquid surface tension and aerodynamic forces.

For numerical simulation of flow field, the selection of discretization methods and numerical schemes depends on the governing equations, solution scales, requirements of numerical solution, computation efficiency and accuracy, and the available computer resources. Introduction 21 The numerical solution process in computational fluid dynamics can be generally divided into three procedures: 1. pre-processing, including model setup, division of simulation domain, and grid generation; 2. numerical solution, containing scheme selection, equation discretization, initialization, boundary condition specification, coding and debugging, and computation; 3.

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