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Large Eddy Simulation for Turbulent Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper gives an overview of different components of conducting largeeddy simulations (LES) for convective heat transfer in practical applications. Subgrid stress models, wall models, and the generation of inlet turbulent ...
Flows Through Reconstructed Porous Media Using Immersed Boundary Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Understanding flow through real porous media is of considerable importance given their significance in a wide range of applications. Direct numerical simulations of such flows are very useful in their fundamental understanding. ...
Prediction of Sand Transport and Deposition in a Two Pass Internal Cooling Duct
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Sand transport and deposition is investigated in a twopass internal cooling ribbed geometry at near engine conditions. Largeeddy simulation (LES) calculations are performed for bulk Reynolds number of 25,000 to calculate ...
Effect of Blowing Ratio on Early Stage Deposition of Syngas Ash on a Film Cooled Vane Leading Edge Using Large Eddy Simulations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical study is performed to investigate the deposition of Syngas ash in the leading edge region of a turbine vane. The leading edge of the vane is modeled as a symmetric semicylinder with a flat afterbody. Three rows ...
Effects of Elastic Modulus Change in Helical Tubes Under the Influence of Dynamic Changes in Curvature and Torsion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The incidence of stent late restenosis is high (Zwart et al., 2010, “Coronary Stent Thrombosis in the Current Era: Challenges and Opportunities for Treatment,†Curr. Treat. Options Cardiovasc. Med., 12(1), pp. 46–57) ...
Effect of Pin Tip Dual Clearance on Flow and Heat Transfer at Low Reynolds Numbers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper examines the augmentation of heat and mass transfer due to dual clearances on cylindrical pin fins, relative to a channel between parallel plates, in mini/microchannel reactors at low Reynolds numbers. In this ...
Fully Coupled Large Eddy Simulation-Conjugate Heat Transfer Analysis of a Ribbed Cooling Passage Using the Immersed Boundary Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The study focuses on evaluating fully coupled conjugate heat transfer (CHT) simulation in a ribbed cooling passage with a fully developed flow assumption using large eddy simulation (LES) with the immersed boundary method ...
Hydrodynamic Forces and Flow Characteristics Around a Rigid Helical-Shaped Metallic Chip in Shear Flow Near a Plane Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study investigates the hydrodynamic behavior of a rigid, helical-shaped metallic chip placed near a planar wall in a linear shear flow using numerical methods. The flow characteristics are analyzed across a ...
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