Showing 241 - 260 results of 696 for search '"turbulence"', query time: 0.04s Refine Results
  1. 241

    Comparison of Periodic Flow Fields in a Radial Pump among CFD, PIV, and LDV Results by Jianjun Feng, F.-K. Benra, H. J. Dohmen

    Published 2009-01-01
    “…The comparison of the results shows that PIV and LDV give nearly the same phase-averaged velocity fields, but LDV predicts the turbulence much clearer and better than PIV. CFD underestimates the turbulence level in the whole region compared with PIV and LDV but gives the same trend.…”
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    Article
  2. 242

    Wind Field Characteristics of the 13 June 2014 Downburst Event in Beijing Based on Meteorological Tower Records by Shi Zhang, Yibo Wang, Zengzhi Qian, Kexin Guo, Xiaoda Xu, Daxing Zhou, Qing Cao

    Published 2024-12-01
    “…Key wind field parameters such as the mean wind speed, turbulence intensity, turbulence integral length scale, probability density function, power spectral density, evolutionary power spectral density, and gust factor are statistically analyzed. …”
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  3. 243

    Improving Wind Speed Forecasting for Urban Air Mobility Using Coupled Simulations by Mounir Chrit, Marwa Majdi

    Published 2022-01-01
    “…Simulations assuming anisotropy and isotropy of turbulence show small differences in the predicted wind speeds over Downtown Oklahoma City given the stable atmospheric stratification showing that turbulent eddy scales at the evaluation locations are within the inertial subrange and confirming that turbulence is locally isotropic.…”
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  4. 244
  5. 245

    Modeling the Hydrodynamic Pressure Field and Wake Field Characteristics of an Underwater Vehicle and Studying Their Correlation by Peihao Li, Hui Deng, Bingrui Xu, Weixue Xia, Wenbin Yi

    Published 2025-01-01
    “…A high grid density and the LES turbulence model are needed to accurately capture information about the wake field’s flow field. …”
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    Article
  6. 246

    The Computation of Flow and Heat Transfer through an Orthogonally Rotating Square-Ended U-Bend Using Low-Reynolds-Number Models by Konstantinos-Stephen P. Nikas, Hector Iacovides

    Published 2005-01-01
    “…Two-layer and low-Reynolds-number mathematical models of turbulence are used at effective-viscosity (EVM) level and also at second-moment-closure (DSM) level. …”
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  7. 247
  8. 248

    Tracking Star-forming Cores as Mass Reservoirs in Clustered and Isolated Regions Using Numerical Passive Tracer Particles by Shingo Nozaki, Hajime Fukushima, Kazuki Tokuda, Masahiro N. Machida

    Published 2025-01-01
    “…Understanding the physical properties of star-forming cores as mass reservoirs for protostars and the impact of turbulence is crucial in star formation studies. We implemented passive tracer particles in clump-scale numerical simulations with turbulence strengths of ${{ \mathcal M }}_{{\rm{rms}}}=2,10$ . …”
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  9. 249

    Statistical Recognition of OAM States in Free-Space Optical System by Qinnan Zhu, Guowei Yang, Zhiyu Yuan, Meihua Bi, Xuefang Zhou, Miao Hu

    Published 2024-01-01
    “…The recognition accuracy under relatively strong turbulence conditions can be improved by using wavefront compensation and specific distance calculation.…”
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    Article
  10. 250

    Numerical Research of the Submerged High-Pressure Cavitation Water Jet Based on the RANS-LES Hybrid Model by Yongfei Yang, Weidong Shi, Linwei Tan, Wei Li, Songping Chen, Bo Pan

    Published 2021-01-01
    “…The submerged high-pressure water jet has the characteristics of high velocity, strong turbulence, and severe cavitation. In order to reveal the formation mechanism of shear cavitation in the submerged high-pressure water jet and to grasp the turbulent structure and velocity distribution characteristics in the jet, the prediction ability of different turbulence models is studied first. …”
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  11. 251

    Investigation of Laminar Separation Bubble on Flat Plate with Adverse Pressure Gradient: Time-Averaged Flow Field Analysis by Yonglei Qu, Dario Barsi, Daniele Simoni, Pietro Zunino, Yigang Luan

    Published 2021-01-01
    “…The experiment provides detailed results including distribution of wall pressure coefficient and boundary layer velocity and turbulence profiles for several values of typical influencing parameters on the behavior of the flow phenomena: Reynolds number, free stream turbulence intensity, and end-wall opening angle, which determines the adverse pressure gradient intensity. …”
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  12. 252
  13. 253

    Numerical Simulation of Bubble Coalescence and Break-Up in Multinozzle Jet Ejector by Dhanesh Patel, Ashvinkumar Chaudhari, Arto Laari, Matti Heiliö, Jari Hämäläinen, Kishorilal Agrawal

    Published 2016-01-01
    “…The realizable k-ε turbulence model is used in CFD code in three-dimensional computational domains. …”
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  14. 254

    CFD Analysis of the First-Stage Rotor and Stator in a Two-Stage Mixed Flow Pump by Steven M. Miner

    Published 2005-01-01
    “…The code solves the 3D Reynolds-averaged Navier-Stokes equations in rotating and stationary cylindrical coordinate systems for the rotor and stator, respectively. Turbulence effects are modeled using a standard k−ε turbulence model. …”
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  15. 255

    Project sustainability in the conditions of digitalization by M. V. Lubenets, S. M. Sycheva

    Published 2023-09-01
    “…As a result of the research, a new approach has been developed to assess the sustainability of projects based on a strategic model that takes into account modern challenges of uncertainty and turbulence. The study prospects lie in practical use of developed integrated approach for models’ formation for the sustainable implementation of projects in various business areas.…”
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  16. 256
  17. 257

    Simulation Investigation on the Flow and Mixing in Ducts of the Rotary Energy Recovery Device by Kai Liu, Lixing Zheng

    Published 2020-01-01
    “…It was found that vortices significantly affected the mixing performance, and the detached vortex could lead to high turbulence and mixing in the duct. Suppressing the vortex shedding may reduce the flow turbulence and gain a lower volumetric mixing rate.…”
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  18. 258

    Dynamic processes during accretion into a black hole by G. S. Bisonvatyi-kogan

    Published 2001-01-01
    “…Sources of turbulence in the accretion disc are discussed, including nonlinear hydrodynamic turbulence, convection and magnetic filed role. …”
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  19. 259

    Numerical Simulations of the Flame of a Single Coaxial Injector by Victor P. Zhukov, Markus Feil

    Published 2017-01-01
    “…In the first test case, the two-dimensional axisymmetric simulations are performed using the shear-stress turbulence (SST) model. Due to the dominant flow unsteadiness in the second test case, the turbulence is modeled using transient SAS (Scale-Adaptive Simulation) model. …”
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  20. 260

    Vertical Shear Instability in Thermally Stratified Protoplanetary Disks. II. Hydrodynamic Simulations and Observability by Han-Gyeol Yun, Woong-Tae Kim, Jaehan Bae, Cheongho Han

    Published 2025-01-01
    “…The saturated turbulence is more pronounced near the disk surfaces than at the midplane. …”
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