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RISA Buoyancy Flux-Driven Cyclonic Gyre in the Labrador Sea
Publisher: American Meteorological Society
Abstract: The generation mechanism for a wintertime cyclonic gyre in the western Labrador Sea, first observed by Clarke and Gascard, is studied by using simple theoretical models. It is shown that atmospheric cooling, which occurs ...
Pumpless Fuel Supply Using Pressurized Fuel Regulated by Autonomous Flow-Rate Regulation Valves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A pumpless fuel supply using pressurized fuel with autonomous flow regulation valves is presented. Since micropumps and their control circuitry consume a portion of the electrical power generated ...
An Efficient Methodology for Fatigue Reliability Analysis for Mechanical Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an efficient methodology to solve a fatigue reliability problem. The fatigue failure mechanism and its reliability assessment must be treated as a rate process since, in ...
Enhanced Performance of Sulfonated GO in SPEEK Proton-Exchange Membrane for Microbial Fuel-Cell Application
Publisher: ASCE
Abstract: Sulfonated graphene oxide (SGO) was prepared using sulfuric acid and used as a nanofiller at various concentrations in self-fabricated sulfonated polyetheretherketone (SPEEK) to produce nanocomposite proton-exchange membranes ...
Relationship between Earth Pressure and Thermally Induced Movement of Integral Abutments
Publisher: American Society of Civil Engineers
Abstract: Movements and lateral earth pressure of integral abutment bridges are mainly affected by seasonal thermal variations. To investigate this aspect, a test bridge was constructed with integral abutments as stub type abutments ...
Effect of Flow Pulses on Degradation Downstream of Hapcheon Dam, South Korea
Publisher: American Society of Civil Engineers
Abstract: The changes in channel geometry downstream of Hapcheon Dam, South Korea, are closely examined. Daily pulses of water from peak hydropower generation and from sudden sluice gate operations affect the 45-km reach of the Hwang ...
Shape Sensitivity Analysis of Linear-Elastic Cracked Structures Under Mode-I Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new method is presented for shape sensitivity analysis of a crack in a homogeneous, isotropic, and linear-elastic body subject to mode-I loading conditions. The method involves the material ...
Antibacterial and Adsorption Properties of Sulfonated GO-PVDF Nanocomposite Ultrafiltration Membranes for Environmental Applications
Publisher: ASCE
Abstract: The application of nanocomposite materials in membrane bioreactors (MBRs) is attractive because of their great potential to enhance the filtration performance and antifouling. This study modified polyvinylidene fluoride ...
Enhanced Bonding by Applied Current in Cu-to-Cu Joints Fabricated Using 20 μm Cu Microbumps
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of applied current in enhancing bonding was studied in Cu-to-Cu direct bonding using Cu microbumps. A daisy-chain structure of electroplated Cu microbumps (20 μm × 20 μm) was fabricated on Si wafer. Cu-to-Cu ...
Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-Barrel Passage, Fiji
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Marine current energy is a reliable and clean source of energy. Many marine current turbines have been designed and developed over the years. Placement of an appropriately designed duct or shroud around the turbine ...