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RISNonlinear Computational Welding Mechanics for Large Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the construction of thin plate steel structures, including ships, welding is widely used to join parts. Welding inevitably causes deformation in thin plate structures, which may cause various problems. In the present ...
Numerical Approach to Study Nonuniform Gas–Liquid Distribution in the Refrigerant Distributor in an Air Conditioner
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Factors that influence the nonuniform gas–liquid distribution in refrigerant distributors in air conditioners were studied. Gas–liquid flows in twopass and multipass distributors were numerically simulated with a ...
Effects of Synoptic-Scale Control on Long-Term Declining Trends of Summer Fog Frequency over the Pacific Side of Hokkaido Island
Publisher: American Meteorological Society
Abstract: n this study, long-term visibility data for the Pacific Ocean side of Hokkaido Island, northeast Japan, are investigated to clarify the relationship between interannual variation in summer fog frequency (FF) and large-scale ...
Nonlinear Dynamic Response and Structural Evaluation of Container Ship in Large Freak Waves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Many ship accidents and casualties are caused by large freak ocean waves. Traditionally, the strength of ships against freak waves is assessed by means of ultimate strength evaluation, assuming quasistatic conditions, but ...
A Two Dimensional Hydroelastoplasticity Method of a Container Ship in Extreme Waves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Extreme waves have led to many accidents and losses of ships at sea. In this paper, a twodimensional (2D) hydroelastoplasticity method is proposed as a means of studying the nonlinear dynamic response of a container ship ...
Experimental Study on Temperature Change by Cavitation Accompanying Self-Pressurization of Propellant for Small Rocket Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As a propellant for hybrid rocket engines using liquid oxidizer and solid fuel and for liquid rocket engines, the use of self-pressurized fluids such as nitrous oxide has become widespread. Since these fluids can be ...
Boiling Heat Transfer and Critical Heat Flux Enhancement of Upward and Downward Facing Heater in Nanofluids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Boiling heat transfer (BHT) and critical heat flux (CHF) performance were experimentally studied for saturated pool boiling of waterbased nanofluids. In present experimental works, copper heaters of 20 mm diameter with ...
Late Fuel Simulation Near Nozzle Outlet of Fuel Injector During Closing Valve
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Late fuel during closing of the valve of a fuel injector and fuel films stuck on the wall around the nozzle outlets are sources of particulate matters (PM). In this study, we focused on the effects of the valve motions on ...
Effects of Opening and Closing Fuel-Injector Valve on Air/Fuel Mixture
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Lower engine emissions like CO2, particulate matter (PM), and NOx have recently become more necessary in automobile engines to protect the earth's environment. Keeping uniformity of air/fuel mixture and decreasing fuel ...
Experimental and Numerical Study on Ductile Fracture of Structural Steels under Combined Shear and Tension
Publisher: American Society of Civil Engineers
Abstract: Ductile fracture of steel structural members under combined shear and tension was observed in past strong earthquakes, but studies on ductile fracture under the combined stress state have been very limited in the field of ...