敲诈
发表于 2025-3-23 10:51:57
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genesis
发表于 2025-3-23 16:29:12
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Omnipotent
发表于 2025-3-23 19:49:19
Nonlinear Flow Problems for a Lifting System in the Extreme Ground Effect,. Essentially, as discussed at length in section 2, the procedure for the solution uses the assumption that, for . ≪ 1 and ε = O(.), nonlinear effects exhibit themselves mainly in the narrow channel under the foil. The foil and the corresponding coordinate system are shown in Fig. 4.1.
brassy
发表于 2025-3-24 01:12:41
The Influence of Endplates, Flaps, and Slots,e wing’s tips and are intended to decrease leakage of air from under the lifting system. Consequenly, the mounting of endplates results in the augmentation of lift or in a decrease of the induced drag for a given lift. In practice, the configuration of the endplates can vary. Figure 6.1 illustrates schematically some of the possibilities.
Arctic
发表于 2025-3-24 06:14:21
Kirill V. RozhdestvenskyThere is no competitive book on the market.Includes supplementary material:
BINGE
发表于 2025-3-24 08:30:46
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共同时代
发表于 2025-3-24 10:58:18
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HUMP
发表于 2025-3-24 15:01:55
https://doi.org/10.1007/978-3-8349-9933-7To reduce a nonlinear formulation to the linear theory, one has to assume that the deflections of the surfaces of the wing, its vortex wake, and the ground, respectively, from horizontal planes . = .. and . = 0 are small compared to the ground clearance ., i.e.,
Cpap155
发表于 2025-3-24 20:41:37
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HALO
发表于 2025-3-24 23:42:32
Introduction,This book discusses the aerodynamics of vehicles, that utilize the favorable effect of the proximity to an underlying surface upon their performance. Although this underlying surface may be not only land, but also water, snow, or ice, it will be called ..