Urea508 发表于 2025-3-23 13:05:19
RECENT OBSERVATIONS OF THE TRANSITION TO TURBULENCE IN A PIPE,decay of disturbances injected into the flow field at values of . where the flow is known to be globally stable. Exponential decay and critical behaviour is observed and these are consistent with observations in other shear flows. This new approach has enabled us to uncover a sharp cut off at the lower limit of the stability threshold.CONE 发表于 2025-3-23 14:28:17
http://reply.papertrans.cn/47/4606/460589/460589_12.pngconflate 发表于 2025-3-23 19:36:20
http://reply.papertrans.cn/47/4606/460589/460589_13.pngCatheter 发表于 2025-3-24 01:43:41
http://reply.papertrans.cn/47/4606/460589/460589_14.pngbreadth 发表于 2025-3-24 06:08:00
http://reply.papertrans.cn/47/4606/460589/460589_15.pngLittle 发表于 2025-3-24 09:05:33
A NEW STABILITY APPROACH FOR THE FLOW INDUCED BY WALL INJECTION, problem is thus described by a PDE system whose results seem by wall injection either in a rectangular duct or in a cylindrical pipe. tude functions which are dependent on two space variables. The linear to be in good agreement with the experiments.消耗 发表于 2025-3-24 13:44:59
http://reply.papertrans.cn/47/4606/460589/460589_17.pngAlpha-Cells 发表于 2025-3-24 15:19:45
A POSSIBLE LINEAR INSTABILITY MECHANISM IN SMALL-SCALE PIPE FLOWS,e mechanism that could be operating in small-scale flows. The effect of changing geometry, which could be a significant factor, is studied. A multigrid algorithm is used for computing the meanflow and a full non-parallel stability analysis is conducted.Impugn 发表于 2025-3-24 20:58:45
EFFECT OF VISCOSITY STRATIFICATION ON SECONDARY AND NONMODAL INSTABILITIES,tion normal to the flow in a channel is investigated. The primary and secondary instability are computed, and the transient growth is analysed. It is found that viscosity stratification can have different effects in each case.Forage饲料 发表于 2025-3-24 23:29:21
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