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RISRadiation Absorption in a Particle Curtain Exposed to Direct High-Flux Solar Irradiation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Radiation absorption is investigated in a particle curtain formed in a solar free-falling particle receiver. An Eulerian–Eulerian granular two-phase model is used to solve the two-dimensional mass and momentum equations ...
Identification of Non Gaussian Stochastic System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a method to identify nonGaussian random noise in an unknown system through the use of a modified system identification (ID) technique in the stochastic domain, which is based on a recently developed ...
Numerical Prediction of Maximum Load Carrying Capacity of Cracked Alloy 690TT Steam Generator Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a finite element (FE) simulation technique to predict maximum loadcarrying capacity of cracked steam generator tubes and its application to Alloy 690TT tubes. The simulation method is based on a simplified ...
Nucleate Boiling Comparison between Teflon-Coated Plain Copper and Cu-HTCMC in Water
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The hydrophobic, Teflon-coated surfaces on plain copper and Cu-HTCMC (High temperature Thermally Conductive Microporous Coating) compared on pool boiling heat transfer of water. The HTCMC was created by sintering of copper ...
Development of Efficient Anchorage Device and Estimation of Its Bearing Strength of Posttensioning Anchorage Zone
Publisher: American Society of Civil Engineers
Abstract: The posttensioning anchorage system of prestressed concrete consists of an anchorage device and lateral reinforcements for the enhancement of the concrete surrounding the anchorage device. In this paper, experimental and ...
Bubble Behavior in Pool Boiling Heat Transfer between Two Plates with a Narrow Gap
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The pool boiling phenomena, which may occur at high heat flux in the planar heat pipe such as vapor chamber and thermal ground plane (TGP), were visually investigated in the vertical orientation by capturing the bubble ...
Improvement of Hydrodynamic Performance of a Multiphase Pump Using Design of Experiment Techniques
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multiphase pumps for offshore plants must perform at high pressure because they are installed on deepsea floors to pressurize and transfer crude oil in oil wells. As the power for operating pumps should be supplied to deep ...
Air Side Heat Transfer Performance of Louver Fin and Multitube Heat Exchanger for Direct Methanol Fuel Cell Cooling Application
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present work is performed to evaluate the heat transfer performance of a heat exchanger used in a direct methanol fuel cell. Because of material constraints and performance requirements, a louver fin heat exchanger is ...
Effect of Enhanced Satellite-Derived Atmospheric Motion Vectors on Numerical Weather Prediction in East Asia Using an Adjoint-Based Observation Impact Method
Publisher: American Meteorological Society
Abstract: hen producing forecasts by integrating a numerical weather prediction model from an analysis, not all observations assimilated into the analysis improve the forecast. Therefore, the impact of particular observations on the ...
Failure Behavior of Multiple Axial Part Through Wall Flaws in Alloy 690TT Steam Generator Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the interaction effect of multipleaxial partthroughwall (PTW) flaws on the failure behavior of Alloy 690TT steam generator (SG) tubes. Burst tests of tubes with single and multiple flaws were conducted ...