標(biāo)題: Titlebook: IUTAM Symposium on The Physics of Wall-Bounded Turbulent Flows on Rough Walls; Proceedings of the I T. B. Nickels Conference proceedings 20 [打印本頁(yè)] 作者: 萬(wàn)能 時(shí)間: 2025-3-21 18:54
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書目名稱IUTAM Symposium on The Physics of Wall-Bounded Turbulent Flows on Rough Walls讀者反饋
書目名稱IUTAM Symposium on The Physics of Wall-Bounded Turbulent Flows on Rough Walls讀者反饋學(xué)科排名
作者: Parabola 時(shí)間: 2025-3-22 00:12 作者: frugal 時(shí)間: 2025-3-22 02:54 作者: 飛行員 時(shí)間: 2025-3-22 06:55
Boundary Layer Structure over a Two-Dimensional Rough Wall,lts for a smooth wall and a three-dimensional (3-D) roughness [.]. The present experiments were made on transverse square bars in the fully-rough flow regime. The 2-D bars lead to significant changes in the turbulence in the outer flow. Reynolds stresses, particularly .and ., increase, although the 作者: 勉勵(lì) 時(shí)間: 2025-3-22 08:50 作者: BROOK 時(shí)間: 2025-3-22 15:41
LDV Measurement Near a Rough Surface for a Turbulent Boundary Layer,d at the momentum thickness Reynolds number of 6,000 and the roughness Reynolds number of 150. The local skin friction coefficient can be represented as the sum of the mean flow momentum flux and the Reynolds shear stress at the top surface between the roughness elements. The moment centroid of the 作者: meditation 時(shí)間: 2025-3-22 19:52
POD Analysis of the Near-Wall Region of a Rough Wall Turbulent Boundary Layer,ough wall made of transverse square bars. Two bar spacings were investigated (.and 7, . is the bar spacing and . the bar diameter). This ratio affects the energy distribution amongst the POD modes throughout the boundary layer,the higher modes, i.e. the relatively small-scale and less energetic moti作者: exercise 時(shí)間: 2025-3-22 23:46
An Experimental Study of a Turbulent Wall Jet on Smooth and Rough Surfaces,try. The Reynolds number based on the slot height and exit velocity of the jet was .≈ 7, 500. A 36-grit sheet was used as the rough surface, creating a transitionally rough flow (5 ≤ ..≤ 70). Both conventional and momentum-viscosity scaling were used to analyze the streamwise evolution of the flow. 作者: 案發(fā)地點(diǎn) 時(shí)間: 2025-3-23 04:31 作者: cravat 時(shí)間: 2025-3-23 05:52
,A High Reynolds Number Turbulent Boundary Layer with Regular ‘Braille-Type’ Roughness,r embossed by a Braille printer. The resulting roughness distribution was regular, three-dimensional and relatively sparse in the spanwise direction. Careful hot-wire studies show that the near-wall peak in turbulence intensity is reduced by the roughness, as expected. Comparisons with smooth-wall d作者: ETCH 時(shí)間: 2025-3-23 10:29 作者: kindred 時(shí)間: 2025-3-23 14:37
,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 作者: 引水渠 時(shí)間: 2025-3-23 20:36
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作者: insular 時(shí)間: 2025-3-24 00:57 作者: invulnerable 時(shí)間: 2025-3-24 05:12
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 作者: 強(qiáng)制性 時(shí)間: 2025-3-24 10:01
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作者: 不透氣 時(shí)間: 2025-3-24 13:19
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作者: intercede 時(shí)間: 2025-3-24 16:56 作者: 饒舌的人 時(shí)間: 2025-3-24 20:30 作者: 刺激 時(shí)間: 2025-3-25 02:40 作者: 暫時(shí)過(guò)來(lái) 時(shí)間: 2025-3-25 06:02 作者: 弄臟 時(shí)間: 2025-3-25 08:03
https://doi.org/10.1007/978-90-481-9631-9IUTAM; dynamics; physics; rough walls; turbulence; turbulent flow; turbulent flows; wall bounded; fluid- and作者: Melanocytes 時(shí)間: 2025-3-25 11:45 作者: mitten 時(shí)間: 2025-3-25 16:03 作者: 有偏見 時(shí)間: 2025-3-25 22:15 作者: Precursor 時(shí)間: 2025-3-26 00:08
IUTAM Symposium on The Physics of Wall-Bounded Turbulent Flows on Rough Walls978-90-481-9631-9Series ISSN 1875-3507 Series E-ISSN 1875-3493 作者: Legion 時(shí)間: 2025-3-26 08:05 作者: 臨時(shí)抱佛腳 時(shí)間: 2025-3-26 12:28 作者: 使迷惑 時(shí)間: 2025-3-26 16:18
Joseph Klewicki,Faraz Mehdiey are readily available elsewhere, but mainly we give full details in the second section. There we prove that Top is a complete category and we look at some of its limiting structures. Recent papers on categorical topology can be found in the volume edited by Binz and Herrlich [4].作者: breadth 時(shí)間: 2025-3-26 19:34
1875-3507 ioustheoriesandmodels have been proposed in order to make progress but there is still some disagreement in the community as to the correct understanding of these important ows.978-94-007-3340-4978-90-481-9631-9Series ISSN 1875-3507 Series E-ISSN 1875-3493 作者: 其他 時(shí)間: 2025-3-26 22:51 作者: forbid 時(shí)間: 2025-3-27 04:11
Lyazid Djenidi,Robert Antonia,Muriel Amielh,Fabien Anselmet作者: Hypopnea 時(shí)間: 2025-3-27 06:01 作者: attenuate 時(shí)間: 2025-3-27 11:14
Jason P. Monty,Min S. Chong,Romaine Mathis,Nicholas Hutchins,Ivan Marusic,James J. Allen作者: STYX 時(shí)間: 2025-3-27 13:38 作者: chondromalacia 時(shí)間: 2025-3-27 17:47 作者: insecticide 時(shí)間: 2025-3-27 23:47 作者: 勤勞 時(shí)間: 2025-3-28 02:37 作者: 除草劑 時(shí)間: 2025-3-28 08:53 作者: 優(yōu)雅 時(shí)間: 2025-3-28 12:43 作者: Cervical-Spine 時(shí)間: 2025-3-28 14:40
LDV Measurement Near a Rough Surface for a Turbulent Boundary Layer,w momentum flux and Reynolds shear stress estimated in the cavity between the roughness elements. The integral length scales of the mean flow momentum flux and the Reynolds shear stress contribute 30% and 70% respectively to the moment centroid.作者: 饒舌的人 時(shí)間: 2025-3-28 19:47
An Experimental Study of a Turbulent Wall Jet on Smooth and Rough Surfaces,hickness of the inner layer increases. Profile fitting was used to estimate the friction velocity. The results showed that at ..≈ 3, 500 the roughness caused an increase of about 30% in the skin friction coefficient.作者: 跳脫衣舞的人 時(shí)間: 2025-3-29 00:06
,A High Reynolds Number Turbulent Boundary Layer with Regular ‘Braille-Type’ Roughness,wed an unexpected result: large-scale structures are significantly influenced by the roughness elements, despite the elements being ～ 2 orders of magnitude smaller in size than these large-scale motions. This result excites the possibility of manipulating large-scale flow features with tiny protrusions.作者: Collar 時(shí)間: 2025-3-29 04:39 作者: 虛弱的神經(jīng) 時(shí)間: 2025-3-29 08:37
Conference proceedings 2010al of research over the last 100 years. Much research has concentratedon ows over smooth walls since these are simpler from experimental, numerical and theoretical standpoints. The ow over rough walls has still received considerable attention but progress has necessarilybeenslower.Perhapsthemostesse作者: 貪婪性 時(shí)間: 2025-3-29 13:59
Turbulence in Pipe Flows with Small Relative Roughness,itional and fully rough flow regimes, the streamwise Reynolds normal stress in the outer layer was found to saturate at a maximum value and did not increase in the same manner as observed for smooth pipes.作者: 荒唐 時(shí)間: 2025-3-29 18:40 作者: 特征 時(shí)間: 2025-3-29 21:49 作者: 過(guò)度 時(shí)間: 2025-3-30 02:56 作者: 花費(fèi) 時(shí)間: 2025-3-30 07:39
Turbulent Flow Over Urban-Type Roughness Using PIV,d Reynolds stresses across the entire boundary layer were examined and compared with that of a smooth wall. Spatial correlation data, extracted from the PIV images were used to provide information about eddy structures and comparisons have been made with previous data for the uniform cube surface.作者: pulse-pressure 時(shí)間: 2025-3-30 08:28 作者: Anterior 時(shí)間: 2025-3-30 16:08
Roughness Scaling Parameters in the Fully-Rough Regime,ness of the roughness probability density function (.). Boundary layer similarity scaling then allows the overall frictional drag coefficient to be determined as a function of the ratio of the equivalent sandgrain roughness height to length of the surface.作者: 散布 時(shí)間: 2025-3-30 18:41 作者: collateral 時(shí)間: 2025-3-30 20:49
Turbulent Flows over Aligned and Inclined Ribs,lls of the channel in a non-staggered configuration. The mean velocities and turbulent statistics obtained at various spanwise locations in both the parallel and converging sections of the channel are used to document the salient effects of rib roughness, pressure gradient, rib inclination and spanwise location of the flow field.作者: companion 時(shí)間: 2025-3-31 03:37
POD Analysis of the Near-Wall Region of a Rough Wall Turbulent Boundary Layer, the energy distribution amongst the POD modes throughout the boundary layer,the higher modes, i.e. the relatively small-scale and less energetic motions, being themost perturbed. The first few near-wall POD modes were also affected by the spacing.作者: Lamina 時(shí)間: 2025-3-31 08:29
Transition in Rough Channels, 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 be used for the prediction of rough flows at high Reynolds numbers.作者: 持久 時(shí)間: 2025-3-31 10:12
Rough Wall Skin Friction Measurements Using a High Resolution Surface Balance,t shear stress measured by two component LDA to the wall matched exactly the shear stress measured using the friction balance. Also, the wall shear stress obtained from the balance in the fully developed channel flow agreed with the stress that could be derived from the pressure gradient to within 3%.作者: optional 時(shí)間: 2025-3-31 16:28 作者: 凝視 時(shí)間: 2025-3-31 18:50
Siddhesh Gadge,Kedar Kharde,Rohit Jadhav,Siddhesh Bhere,Indu Dokare worst-case mode switch time (WCMST), which means the time duration from failure detection to degradation processing, by utilizing degradation design results. To evaluate the proposed process and framework, we applied them to the prototype system with automation level 3. The evaluation results showe作者: Sleep-Paralysis 時(shí)間: 2025-3-31 22:29 作者: 小木槌 時(shí)間: 2025-4-1 04:14 作者: CRANK 時(shí)間: 2025-4-1 09:46
A Brief History of 50 Years of Conceptualisation and Measurement of the Informal Economyle were launched in the early .s. Despite international efforts for defining and harmonising the concepts, there still remains much ambiguity and confusion among scholars and policymakers about the real meaning and content of what is called the informal economy. Since the early economists and social作者: Formidable 時(shí)間: 2025-4-1 10:14
Book 2013I des Springer-Handbuchs enth?lt neben den Kapiteln 2-4 des Springer-Taschenbuchs zus?tzliches Material zu folgenden Gebieten: multilineare Algebra, h?here Zahlentheorie, projektive Geometrie, algebraische Geometrie und Geometrien der modernen Physik. ??作者: 說(shuō)明 時(shí)間: 2025-4-1 15:49
