ETCH
发表于 2025-3-23 10:29:46
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kindred
发表于 2025-3-23 14:37:30
,Turbulent Channel Flow over Model “Dynamic” Roughness,tions imposed at the wall, a crude linearization. Analysis of the linearized Navier-Stokes operator is performed to select roughness parameters that are predicted to lead to a large disturbance amplification in the body of the flow. Direct numerical simulations of turbulent channel flow at .. ∼ 500
引水渠
发表于 2025-3-23 20:36:06
Log-Layer Dynamics in Smooth and Artificially-Rough Turbulent Channels,mics of the logarithmic and outer regions. The effect of wall-roughness, modeled here by wall-disturbances, is shown to be small in the active scales of the flow. In particular, the statistical properties of the wall-attached ejections contributing to the Reynolds stresses are independent of the nat
insular
发表于 2025-3-24 00:57:25
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invulnerable
发表于 2025-3-24 05:12:05
Transition in Rough Channels, useful quantity for detection of the transition from laminar to turbulent flow. In addition, .. | . is linked to the roughness function, allowing for the derivation of a simple expression for the velocity profile in the log region. From this equation a new Moody diagram has been created, which may
强制性
发表于 2025-3-24 10:01:47
Effect of Isotropic Free-stream Turbulence in Favorable Pressure Gradient Turbulent Boundary Layersable pressure gradient, and surface roughness, on turbulent boundary layers. Measurements were carried out at .. ≤ 4,300 and free-stream turbulence levels of up to 7%, generated using an active grid. Results show that with the addition of FST, classical scaling laws are not able to collapse the prof
不透气
发表于 2025-3-24 13:19:48
Particulate Impact and Erosion in a Turbulent Serpentine Channel,merical simulation (DNS). The channel is S-shaped, with periodicity between inlet and exit; hence, it is an infinite serpentine. The bend is fairly tight: its diameter is equal to the channel width. There is a separation bubble downstream of the bend. A range of particle masses was simulated. The pa
intercede
发表于 2025-3-24 16:56:00
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饶舌的人
发表于 2025-3-24 20:30:54
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刺激
发表于 2025-3-25 02:40:21
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