每年出版 8 期
ISSN 打印: 1065-5131
ISSN 在线: 1563-5074
Indexed in
VORTEX HEAT TRANSFER ENHANCEMENT IN NARROW CHANNELS WITH A SINGLE OVAL-TRENCH DIMPLE ORIENTED AT DIFFERENT ANGLES TO THE FLOW
摘要
There are many passive techniques of heat transfer enhancement; however, only a few of them are capable of providing a reliable increase in a heat transfer rate exceeding an increase in pressure losses. One of such successful techniques is the profiling of a heat transfer surface with a regular arrangement of dimples. Detailed numerical simulation of fluid flow and heat transfer has been performed in a dimpled narrow channel at a Reynolds number of 10,000. The orientation of oval-trench dimples on the heated surface has been evaluated numerically to establish the superior thermohydraulic performance over spherical dimples.
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Isaev S A, Popov I A, Mikheev N I, Guvernyuk S V, Zubin M A, Nikushchenko D V, Sudakov A G, Vortex heat transfer enhancement in the separated flow near structured dimpled surfaces, Journal of Physics: Conference Series, 2057, 1, 2021. Crossref
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Isaev S. A., Leont’ev A. I., Nikushchenko D. V., Sudakov A. G., Usachov A. E., Intensification of the Detached Flow in a Single Row of Inclined Oval Trench Dimples on the Wall of a Narrow Channel, Journal of Engineering Physics and Thermophysics, 94, 1, 2021. Crossref
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Isaev S. A., Chulyunin A. Yu., Nikushchenko D. V., Sudakov A. G., Usachov A. E., Analysis of the Anomalous Intensification of a Separate Flow and Heat Transfer in a Stabilized Section of a Narrow Channel with Single-Row, Inclined, Oval-Trench Dimples with the Use of Various Grids and Turbulence Models, High Temperature, 59, 1, 2021. Crossref
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Nasr Mahmoud, Tay C.M. , Khoo B. C. , NUMERICAL INVESTIGATION OF HEAT TRANSFER AND DRAG OVER DIFFERENT DIMPLE GEOMETRIES IN TURBULENT CHANNEL FLOW , Journal of Enhanced Heat Transfer, 29, 4, 2022. Crossref
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Isaev S. A., Genesis of Anomalous Intensification of Separation Flow and Heat Transfer in Inclined Grooves on Structured Surfaces, Fluid Dynamics, 57, 5, 2022. Crossref
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Isaev Sergey, Nikushchenko Dmitry, Sudakov Alexandr, Tryaskin Nikita, Iunakov Leonid, Usachov Alexandr, Kharchenko Valery, Numerical Simulation of Heat Transfer Enhancement in the Paths of Propulsion Systems with Single-Row Spherical and Oval Dimples on the Wall, Energies, 15, 19, 2022. Crossref