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RISEffect of Temperature Dependent Fluid Properties on Heat Transfer in Turbulent Mixed Convection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of the uniform fluid properties approximation (OberbeckBoussinesq (OB)) in turbulent mixed convection is investigated via direct numerical simulation (DNS) of water flows with viscosity (خ¼) and thermal expansion ...
Turbulent Flows With Drops and Bubbles: What Numerical Simulations Can Tell Us—Freeman Scholar Lecture
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Turbulent flows laden withlarge, deformable drops or bubbles are ubiquitous in nature and a number of industrial processes. These flows are characterized by physics acting at many different scales: from the macroscopic ...
Turbulent Drag Reduction by Biopolymers in Large Scale Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, we describe drag reduction experiments performed in a large diameter pipe (i.d. 100 mm) using a semirigid biopolymer Xanthan Gum (XG). The objective is to build a selfconsistent data base which can be used ...
Shear Effects on Scalar Transport in Double Diffusive Convection1
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this article, we examine the effect of shear on scalar transport in double diffusive convection (DDC). DDC results from the competing action of a stably stratified, rapidly diffusing scalar (temperature) and an unstably ...