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作者:A. Giusti , E. Mastorakos
来源:[C].THMT-18. Turbulence Heat and Mass Transfer 9 Proceedings of the Ninth International Symposium On Turbulence Heat and Mass Transfer2018
摘要:The development of better laser-based experimental methods and the fast rise in computer power has created an unprecedented shift in turbulent combustion research. The range of species and quantities measured and the advent of kHz-level planar diagnostics are now providing great ...
作者:Yogendra K. Joshi , Yuanchen Hu , Daniel Lorenzini
来源:[C].Proceedings of CHT-17 ICHMT International Symposium on Advances in Computational Heat Transfer2017
摘要:We discuss techniques for hot spot mitigation using single phase liquid and two phase cooling, for bothplanar and 3D chips. In single phase flow through a finned microgap, the approach of fin clustering nearhot spots is described. Heat transfer and pressure drop characteristics o...
作者:Kartik V. Bulusu , Michael W. Plesniak
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:The purpose of this study is to gain an understanding of the formation of arterial secondary flow structures due tophysiological parameters such as geometry (curvature), pulsatility and harmonics of inflow conditions. Accordingly, in vitro experimental investigation of arter...
作者:Fujihiro Hamba
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:The energy spectrum must be useful in describing the energytransfer not only in homogeneous isotropic turbulence but also in inhomogeneous turbulence. Instead of the energy spectrum in the wavenumber space, the energy density in the scale space can be defined using the velocity s...
作者:Nicola De Tullio , Neil D. Sandham
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:Direct numerical simulations and global linear stability analysis have been performed to investigate the effect of sweep on the behaviour of transitional separation bubbles developing over a NACA-0012 airfoil at moderate Reynolds numbers. The results indicate that the laminar-tur...
作者:Yulia T. Peet , Tanmoy Chatterjee
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:The large scale organizations in the flow around the finite scale wind farms that contribute to the turbine power, have been studied in the current paper. The study has been carried out using Large Eddy Simulation (LES) with near wall modelling, and the turbine forces are modelle...
作者:Yan Ming Tan , Ellen K. Longmire
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:Turbulent boundary layers (Reτ = 2500) were perturbed by a spanwise array of cylinders with spacing of S = 0.2δ, where δ is the unperturbed boundary layer thickness. Two cylinder heights were considered, H = 0.2δ (H+ = 500) and H = δ. Although visu...
作者:Niranjan S. Ghaisas , Aditya S. Ghate , Sanjiva K. Lele
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:The flow in the fully-developed wind-turbine array boundary layer is simulated using large-eddy simulation. The numerical framework is based on Fourier-spectral discretization in the horizontal and sixth-order compact finite differences in the vertical directions, with turbi...
作者:Christopher Morton , Mohammad Saeedi , Maryam Shahroodi ...
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:Near-wake characteristics of a low aspect ratio (h/d = 4) cantilevered circular cylinder protruding a thin laminar boundary layer have been investigated both experimentally (Re = 10,400) and numerically (Re = 300). Despite the substantial differences in the investigated Re, the u...
作者:Alexandre R. Berger , Madeline N. McMillan , Edward B. White ...
来源:[C].Tenth International Symposium on Turbulence and Shear Flow Phenomena2017
摘要:Discrete roughness elements in laminar boundary layers triggerbreakdown to turbulence when the associated roughness Reynoldsnumber, Rekk, exceeds a critical value. Recent work by Suryanarayanan et al. (2017a) has demonstrated that for the case of a 45° - inclined ...

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