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RISUnglazed Solar Collector Performance Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A modified form of the Hottel-Whillier-Bliss solar collector efficiency function is investigated for unglazed solar collector characterisation. The modified function includes allowance for long-wave ...
Friction-Factor Characteristics for Narrow Channels With Honeycomb Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The experimental determination of friction-factors for the flow of air in a narrow channel lined with various honeycomb geometries has been carried out. Test results show that, generally, the ...
Hydrodynamic Analysis of Direct Steam Generation Solar Collectors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Direct steam generation collectors are considered with the aim to improve the performance of a parabolic trough collector leading to a reduction of operating costs of solar electric generation ...
Experimental and Numerical Investigation of a Gas Compressor Windback Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effectiveness of a computational fluid dynamics (CFD) commercial code to accurately predict the leakage rate for a windback seal was evaluated. The windback seal under consideration has a ...
Numerical Study of the Effects of Upstream Flow Condition Upon Orifice Flow Meter Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent experimental work has shown that when the mean velocity profile upstream of an orifice plate has a deficit on the centerline and higher velocities at the outer edges of the pipe, the ...
Phase-Averaged Wall Shear Stress, Wall Pressure, and Near-Wall Velocity Field Measurements in a Whirling Annular Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow field inside a 50 percent eccentric whirling annular seal operating at a Reynolds number of 24,000 and a Taylor number of 6600 has been measured using a three-dimensional laser-Doppler ...
Slip Factors of Centrifugal Slurry Pumps
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experiments have been carried out in order to determine the effects on slip factor due to the various parameters affecting the performance characteristics of a centrifugal slurry pump. The ...
The Prediction and Measurement of Incompressible Flow in a Labyrinth Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Predictions and measurements were obtained for incompressible flow in a labyrinth seal for Taylor numbers of 0, 7,600, and 19,000 at an axial Reynolds number near 50,000. A hot-film anemometer ...
Three-Dimensional Laser Anemometer Measurements in an Annular Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow field inside an annular seal with a 1.27 mm clearance is investigated using a 3-D laser Doppler anemometer system. Through the use of this system, the mean velocity vector and the ...
Turbulence Measurements of High Shear Flow Fields in a Turbomachine Seal Configuration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mean velocity and Reynolds stress tensor throughout a whirling annular seal are presented. The data were collected with a three-dimensional laser Doppler velocimeter using phase averaging. ...