標(biāo)題: Titlebook: Bluff-Body Wakes, Dynamics and Instabilities; IUTAM Symposium, G?t Helmut Eckelmann,J. Michael R. Graham,Peter A. Mon Conference proceeding [打印本頁(yè)] 作者: 滲漏 時(shí)間: 2025-3-21 16:48
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities影響因子(影響力)
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities影響因子(影響力)學(xué)科排名
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities網(wǎng)絡(luò)公開(kāi)度
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities網(wǎng)絡(luò)公開(kāi)度學(xué)科排名
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities被引頻次
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities被引頻次學(xué)科排名
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities年度引用
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities年度引用學(xué)科排名
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities讀者反饋
書(shū)目名稱(chēng)Bluff-Body Wakes, Dynamics and Instabilities讀者反饋學(xué)科排名
作者: Morose 時(shí)間: 2025-3-21 21:14
3. The Algebraic Structure of ,ing other techniques; but determining which of the possible solutions is the correct causal one requires a new method. We present here a theorem which gives a criterion for determining when a given solution is indeed the causal one. As a prototypical example of how this theorem may be applied in pra作者: 入伍儀式 時(shí)間: 2025-3-22 01:41
4. Behaviors of Delay-Differential Systems,rtex motions would exhibit a clearly recognized distribution during the passage of a large scale coherent motion. The subject flow was selected as a paradigm test to examine the relationships between time resolved vorticity and coherent vortex motions.作者: 蠟燭 時(shí)間: 2025-3-22 06:48
Unsteady Three-Dimensional Separated Flows Around a Sphere - Analysis of Vortex Chain Formationthe numerical resolution (although the quantitative differences for some fixed parameters may be considerable) we can hope to identify generic features of structural flow changes despite of the numerical resolution limitations given. A review of our earlier results is given in [2].作者: doxazosin 時(shí)間: 2025-3-22 12:47
Causal Time-Periodic Solutions for Spatially Developing Mediaing other techniques; but determining which of the possible solutions is the correct causal one requires a new method. We present here a theorem which gives a criterion for determining when a given solution is indeed the causal one. As a prototypical example of how this theorem may be applied in pra作者: SENT 時(shí)間: 2025-3-22 13:33 作者: ALTER 時(shí)間: 2025-3-22 18:14 作者: 含糊其辭 時(shí)間: 2025-3-22 23:21
Paulo Augusto Dal?Fabbro,Maher Kayalented. Experiments on a bluff body with a controlled three-dimensional geometric disturbance are described and it is shown that vortex splitting is a dominant feature of the wake flow. The use of CFD to study low Reynolds number bluff body wakes is discussed. Also similarities between vortex sheddin作者: BOLUS 時(shí)間: 2025-3-23 03:03
Paulo Augusto Dal?Fabbro,Maher Kayalices is formed, similar to the Karman street behind bluff bodies but with opposite rotational direction (.). It is found that the jet-like average flow is convectively unstable, having a narrow range of frequencies of maximum amplification. A stable co-existence of the jet profile and the reverse Ka作者: 異常 時(shí)間: 2025-3-23 08:01
https://doi.org/10.1007/978-1-4939-3028-9 the distance between their centres is in an appropriate range. For the distance at which the two patterns occurred at the same probability, the interval of time during which each pattern prevailed was a random variable whose probability density distribution was approximately the Gamma distribution.作者: 喧鬧 時(shí)間: 2025-3-23 11:17 作者: 弓箭 時(shí)間: 2025-3-23 17:16
Springer Series in Optical Sciencesow or the wall-flow (oil-flow visualization) it is still difficult to get insight into the unsteady, threedimenisonal near-wake flow. Therefore, the aim of our analysis of a low Mach number (. = 0,4) numerical flow simulation around a sphere is to shed some light onto the near-wake flow region. Diff作者: Obscure 時(shí)間: 2025-3-23 20:03 作者: 擦掉 時(shí)間: 2025-3-24 01:30
Existence of hypercyclic operatorsout turbulence model. The critical flows and the pressure distribution on the cylinder surface are numerically investigated in detail. Their structures and unsteady characteristics are discussed in case the drag crisis of the cylinder occurs.作者: Oratory 時(shí)間: 2025-3-24 05:42
https://doi.org/10.1007/978-1-4471-2170-1stantaneous base pressure of a circular cylinder were investigated. Measurements indicate a direct coupling to the shedding frequency between the stagnation-line and base-pressure signals. A low frequency component in the base pressure power spectra was found and was directly related to the irregula作者: Petechiae 時(shí)間: 2025-3-24 07:51 作者: cardiovascular 時(shí)間: 2025-3-24 12:16 作者: 有組織 時(shí)間: 2025-3-24 18:40 作者: 鋼盔 時(shí)間: 2025-3-24 19:53
University Series in Mathematicsy moved at constant speeds. Initial vortex ring growth and its distortion through subsequent vortex shedding were documented. Flow field was monitored until the steady state wake oscillation was established. The velocity time traces in the wake taken with a LDV were analyzed using a wavelet analysis作者: incite 時(shí)間: 2025-3-25 00:00 作者: 平息 時(shí)間: 2025-3-25 05:18
3. The Algebraic Structure of , equations to time-periodic oscillatory forcing is of great interest, as such forcing is common in physical situations. An important stage in finding this time-periodic response is concerned with ensuring that the . solution is obtained. For parallel flows, Brazier-Smith & Scott [1], amongst many ot作者: 東西 時(shí)間: 2025-3-25 10:08 作者: BIPED 時(shí)間: 2025-3-25 14:29 作者: 傲慢物 時(shí)間: 2025-3-25 19:00 作者: 替代品 時(shí)間: 2025-3-25 23:43
https://doi.org/10.1007/BFb0069474amics of these vortical structures. Previous attempts to measure vorticity components with X-wires in a cylinder wake have been reported by Hussein and Hayakawa [1], Antonia .. [2] and Bisset et al. [3]. However, to our knowledge the present results are the first simultaneous measurements of all thr作者: 詞匯 時(shí)間: 2025-3-26 01:59 作者: 卜聞 時(shí)間: 2025-3-26 07:50 作者: Fillet,Filet 時(shí)間: 2025-3-26 12:18 作者: Ancillary 時(shí)間: 2025-3-26 16:00 作者: 財(cái)政 時(shí)間: 2025-3-26 17:05 作者: 陳舊 時(shí)間: 2025-3-27 00:52
Existence of hypercyclic operatorsout turbulence model. The critical flows and the pressure distribution on the cylinder surface are numerically investigated in detail. Their structures and unsteady characteristics are discussed in case the drag crisis of the cylinder occurs.作者: constitute 時(shí)間: 2025-3-27 04:14 作者: PHAG 時(shí)間: 2025-3-27 05:58
https://doi.org/10.1007/978-1-4615-4273-5ders (I) and the aspect ratio (length to diameter ratio (h/d)) as the main parameters. However, some measurements on two-dimensional flow past two tandem cylinders and flow past a single finite length cylinder were also carried out for the purposes of calibrating the test rig and later the comparison of results.作者: Talkative 時(shí)間: 2025-3-27 13:26 作者: decipher 時(shí)間: 2025-3-27 16:37
Unsteady Base Pressure Measurements in the Near Wake of a Cylinder With Imposed Three-Dimensional Distantaneous base pressure of a circular cylinder were investigated. Measurements indicate a direct coupling to the shedding frequency between the stagnation-line and base-pressure signals. A low frequency component in the base pressure power spectra was found and was directly related to the irregular shedding observed in the wake.作者: forecast 時(shí)間: 2025-3-27 17:50
Two- and Three-Dimensional Flow Past Circular Cylinder(s)ders (I) and the aspect ratio (length to diameter ratio (h/d)) as the main parameters. However, some measurements on two-dimensional flow past two tandem cylinders and flow past a single finite length cylinder were also carried out for the purposes of calibrating the test rig and later the comparison of results.作者: 疼死我了 時(shí)間: 2025-3-27 22:59
Conference proceedings 1993sultsobtained in the study of bluff-body wakes.Experimental,theoretical and numerical approaches are allcomprehensivelycovered and compared. Topics of particular interest includehydrodynamic instability analyses, three-dimensionalpatternformation problems, flow control methods, bifurcationanalyses, 作者: 機(jī)密 時(shí)間: 2025-3-28 02:25
Flip-Flopping Flow Around Two Bluff Bodies in Tandem Arrangement The average time interval for two patterns was much larger than both the vortex-shedding period and the time scale of the free-stream turbulence, being strongly dependent on the turbulence intensity.作者: 深陷 時(shí)間: 2025-3-28 06:30
Development of the Near Wake Structure on a Cantilevered Circular Cylinder with a Free-Endre proposed. Thus, for the case taken as reference, namely Al=5, three different zones are differenciated along the span of the cylinder and their modifications with the variation of the aspect ratio are established as well as that of the vortex shedding process.作者: 避開(kāi) 時(shí)間: 2025-3-28 10:57 作者: 正式演說(shuō) 時(shí)間: 2025-3-28 15:11
analyses, numerical simulations and turbulence modelling.The main originality of thisvolume is that recentconceptual advances made to describe nonlinearphenomena ingeneral are put to the test on a classical problem infundamental fluid mechanics, namely the wake structuregenerated behind a bluff object.978-3-662-00416-6978-3-662-00414-2作者: NORM 時(shí)間: 2025-3-28 22:24
f recentresultsobtained in the study of bluff-body wakes.Experimental,theoretical and numerical approaches are allcomprehensivelycovered and compared. Topics of particular interest includehydrodynamic instability analyses, three-dimensionalpatternformation problems, flow control methods, bifurcation作者: anniversary 時(shí)間: 2025-3-28 23:01 作者: Charitable 時(shí)間: 2025-3-29 06:24
Deterministic Phase Retrieval Using the LCTperiment. The numerical method is based on a viscous vortex (particle) method. The experimental investigation involves the towing of a cylinder through waves in a laboratory flume, and comparison of the transverse force with a quasi-steady model.作者: 反饋 時(shí)間: 2025-3-29 07:36
https://doi.org/10.1007/978-1-4615-0553-2 at a reasonable distance from the cylinder, radiative boundary conditions produce results which compare well with the experimental observations, also if the external boundary is quite close to the cylinder.作者: cardiovascular 時(shí)間: 2025-3-29 12:04
https://doi.org/10.1007/978-1-4615-0553-2urrent in the fluid. This current in turn leads (due to its interaction with the magnetic field) to an electromagnetic body force acting on the fluid. In addition the induced current yields a small perturbation of the external magnetic field.作者: Console 時(shí)間: 2025-3-29 15:34
University Series in Mathematics until the steady state wake oscillation was established. The velocity time traces in the wake taken with a LDV were analyzed using a wavelet analysis technique, and time scales of vortical structures were identified and correlated with the flow visualizations.作者: 共同生活 時(shí)間: 2025-3-29 22:06
https://doi.org/10.1007/978-1-4615-0553-2sing yaw angle. The pressure behind the cylinder decreases greatly towards the upstream endplate of the cylinder, although there is a strong wedge-shaped recovery of pressure in the region near the rear stagnation. The strong secondary flow behind the yawed circular cylinder is responsible for the recovery region.作者: 引起 時(shí)間: 2025-3-29 23:54 作者: 我的巨大 時(shí)間: 2025-3-30 08:08 作者: 贊美者 時(shí)間: 2025-3-30 08:28
Challenging Problems in Bluff Body Wakesdominant feature of the wake flow. The use of CFD to study low Reynolds number bluff body wakes is discussed. Also similarities between vortex shedding in steady flows and in planar oscillatory flows are pointed out.作者: confide 時(shí)間: 2025-3-30 13:32 作者: Cultivate 時(shí)間: 2025-3-30 17:42
Boundary Condition Influence on the Flow Around a Circular Cylinder at a reasonable distance from the cylinder, radiative boundary conditions produce results which compare well with the experimental observations, also if the external boundary is quite close to the cylinder.作者: 隨意 時(shí)間: 2025-3-30 22:38
Magnetohydrodynamic Flow Around a Circular Cylinderurrent in the fluid. This current in turn leads (due to its interaction with the magnetic field) to an electromagnetic body force acting on the fluid. In addition the induced current yields a small perturbation of the external magnetic field.作者: 托人看管 時(shí)間: 2025-3-31 02:10
Development of Vortex Structure Behind a Circular Disk until the steady state wake oscillation was established. The velocity time traces in the wake taken with a LDV were analyzed using a wavelet analysis technique, and time scales of vortical structures were identified and correlated with the flow visualizations.作者: 靈敏 時(shí)間: 2025-3-31 06:01
End Effect on a Yawed Circular Cylinder in Uniform Flowsing yaw angle. The pressure behind the cylinder decreases greatly towards the upstream endplate of the cylinder, although there is a strong wedge-shaped recovery of pressure in the region near the rear stagnation. The strong secondary flow behind the yawed circular cylinder is responsible for the recovery region.作者: JECT 時(shí)間: 2025-3-31 09:25 作者: ENACT 時(shí)間: 2025-3-31 14:56 作者: 谷類(lèi) 時(shí)間: 2025-3-31 17:52
https://doi.org/10.1007/978-1-4939-3028-9 The average time interval for two patterns was much larger than both the vortex-shedding period and the time scale of the free-stream turbulence, being strongly dependent on the turbulence intensity.作者: 動(dòng)物 時(shí)間: 2025-4-1 00:36
Frequently hypercyclic operatorsre proposed. Thus, for the case taken as reference, namely Al=5, three different zones are differenciated along the span of the cylinder and their modifications with the variation of the aspect ratio are established as well as that of the vortex shedding process.作者: OPINE 時(shí)間: 2025-4-1 03:34
Paulo Augusto Dal?Fabbro,Maher Kayal unit input energy. The non-dimensional frequency of maximum amplification (Strouhal number) is in the range of 0.25 to 0.35. Experiments confirm this result, while the analysis of a large number of data from observations on fish and cetaceans confirm that optimal fish propulsion is achieved within this range of Strouhal number.作者: Hyperlipidemia 時(shí)間: 2025-4-1 08:54 作者: intrigue 時(shí)間: 2025-4-1 12:14
Reverse Kármán Streets in the Wake of Flapping Foils for Application in Fish Propulsion unit input energy. The non-dimensional frequency of maximum amplification (Strouhal number) is in the range of 0.25 to 0.35. Experiments confirm this result, while the analysis of a large number of data from observations on fish and cetaceans confirm that optimal fish propulsion is achieved within this range of Strouhal number.
