Odyssey
发表于 2025-3-23 13:27:24
On the Many Faces of Transitionnd a number of unifying conjectures are advanced for subsonic speeds. In particular, the roles of linear amplification, nonlinear limiting, and secondary instability inducted by unsteady nonlinear effects are discussed. These mechanisms are illustrated for a number of transitional flows, including t
异常
发表于 2025-3-23 16:10:58
Ballistics Range Boundary-Layer Transition Measurements on Cones at Hypersonic Speeds the 3.5 power of the local Mach number over the range investigated..When the data are presented in terms of constant free-stream Mach number, it appears that the transition Reynolds number is a function of both the tip bluntness and cone angle. The data indicate that decreasing either the cone angl
NAVEN
发表于 2025-3-23 18:06:14
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内阁
发表于 2025-3-23 22:18:34
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Amenable
发表于 2025-3-24 03:26:59
Drag-Reduction Measurements for Three Polymers at 4°Cs much polymer as Polyox to give the same drag reduction..The different-shaped curve is probably the result of greatly diminished mechanical degradation with Guar gum, while the higher concentration requirement is attributable to its lower molecular weight.
不来
发表于 2025-3-24 09:50:13
Exploratory Drag Reduction Studies in Non-Polar Soap Systemsese non-polar systems indicate that they were not at equilibrium. It is believed that the differences in the nature of the soap structure in solution for the two types of systems cause the observed differences in the turbulent flow behavior.
扔掉掐死你
发表于 2025-3-24 11:48:46
Velocity Profiles During Drag Reductionthe profiles indicated thickened viscous sublayers, as have some of the least erroneous impact tube measurements..The soap solution indicated completely different behavior, even though it showed about the same levels of drag reduction. The profiles were much blunter in the turbulent core with rapid
神圣不可
发表于 2025-3-24 17:53:05
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adumbrate
发表于 2025-3-24 21:43:05
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用不完
发表于 2025-3-25 02:31:39
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