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RISEffect of Injected Longitudinal Vorticity on Particle Dispersion in a Swirling, Coaxial Jet
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A Passive particle dispersion control technique was investigated in which longitudinal vortices were injected into a developing coaxial swirling jet with sufficient annular swirl for flow recirculation ...
Effects of Wall Roughness on Particle Velocities in a Turbulent Channel Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental measurements using a laser Doppler anemometer (LDA) system have been performed on 150μm dense glass particles in a fully developed downward channel flow in air. Tests were conducted ...
Discrete Green’s Function Measurements in a Serpentine Cooling Passage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The inverse discrete Green’s function (IDGF) is a heat transfer coefficient that is valid for arbitrarily complex thermal boundary conditions. It was measured using a rapid experimentation technique ...
Optically Based Rapid Heat Transfer Measurements in Complex Internal Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An optically based technique was developed that involves fabrication of a thin-walled plastic model with laser heating applied to a small section of the outer surface. The heat flux distribution ...
Convective Performance of Nanofluids in a Laminar Thermally Developing Tube Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: While many of the published papers on nanofluids focus on measuring the increased thermal conductivity of the suspension under static conditions, the convective performance of these fluids has ...
A Method for Determining the Heat Transfer Properties of Foam-Fins
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Metallic and graphitic open-cell foams are being used or proposed as extended surfaces (fins) in heat sinks for electronic cooling and compact heat exchangers for aircraft applications. Three ...
An Experimental Study of the Flow Around a Formula One Racing Car Tire
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The wake of the front tires affects the airflow over the remainder of a fenderless race car. The tires can also be responsible for up to 40% of the vehicle’s drag. Prior experiments have ...
Full-Field Flow Measurements and Heat Transfer of a Compact Jet Impingement Array With Local Extraction of Spent Fluid
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Jet impingement cooling is widely used due to the very high heat transfer coefficients that are attainable. Both single and multiple jet systems can be used, however, multiple jet systems offer ...
Nanofluid Convection in Microtubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: While there has been much previous research on the thermal conductivity and convection performance of nanofluids, these data are rarely reported together with effective viscosity data that govern ...
Evaluation of Alternatives for Two-Dimensional Linear Cascade Facilities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents two low-cost alternatives for turbine blade surface heat transfer and fluid dynamics measurements. These models embody careful compromises between typical academic and full-scale ...