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RISGeometric Error Modeling, Separation, and Compensation of Tilted Toric Wheel in Fewer Axis Grinding for Large Complex Optical Mirrors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In ultraprecision grinding, especially for large complex optical mirrors, the geometric accuracy of grinding wheel plays a vital role and almost dominates the success of the entire grinding process. In this paper, a complete ...
Simulation and Experimental Study of Two-Phase Gas–Liquid Behavior in Two-Dimensional Porous Medium Based on Lattice Boltzmann Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Loop heat pipe is a passive two-phase heat transfer device. The key component of the loop heat pipe is the evaporator. In this study, the gas–liquid two-phase behavior inside a two-dimensional porous medium with a single-pore ...
Predictive Modeling of Grinding Force Considering Wheel Deformation for Toric Fewer-Axis Grinding of Large Complex Optical Mirrors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fewer-axis ultraprecision grinding has been recognized as an important means for manufacturing large complex optical mirrors. The research on grinding force is critical to obtaining a mirror with a high surface accuracy ...
Investigation on the Influence of the Condenser Length and Its Coupling Effect With Elevation on the Performance of Loop Heat Pipe
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of condenser length and evaporator/condenser elevation on the performance of a loop heat pipe (LHP) in a gravity field were investigated, respectively, as well as their coupling effect. The refrigerant R40 was ...
Numerical Study on the Effect of Various Working Fluids on the Performance of Loop Heat Pipes Based on Two-Dimensional Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The computational fluid dynamics (CFD) method is often used to study heat and mass transfer mechanisms in loop heat pipes (LHPs). However, few numerical studies have been conducted on the entire loop heat pipe system. In ...
Experimental Study on the Small Two-Phase Thermosyphon Loop With Minichannel Evaporator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study experimentally investigates the small two-phase thermosyphon loop with a minichannel evaporator. The influences of heating power, fan power, and inclination angle on the heat transfer performance are presented, ...