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RISOptimization of Nonsinusoidal Twisting Motion for Enhanced Aerodynamic Performance of Three-Dimensional Flapping Wings
Publisher: American Society of Civil Engineers
Abstract: AbstractThe combined motion of flapping and twisting in a flapping wing can achieve high propulsion
efficiency. However, prior research has predominantly concentrated on the analysis
of 2D airfoils subjected to sinusoidal ...
Experimental and Numerical Study on the Decompression Behavior of High-Pressure Hydrogen Gas in a Two-Step Valve
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Pressure-reducing valve is the most vital component of the hydrogen supply system for the on-board fuel cell stack. A clear understanding of the decompression behavior can help to optimize the valve structure. ...
Characterization of the Flocculation Process from the Evolution of Particle Size Distributions
Publisher: American Society of Civil Engineers
Abstract: A flocculator-imaging system was developed to characterize the dynamics of particle size distribution (PSD) during flocculation. The system consisted of a flocculator coupled with an external flow-through cell for observation ...
Autofrettage of Ultra-High Pressure Valve Body: Numerical and Experimental Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work proposed a technique reference on the determination of autofrettage pressure for ultra-high pressure valve. The detailed numerical autofrettage process for a valve body with 340 MPa design pressure was established, ...
Generalized Variational Principles for Solutions of Statically Indeterminate Trusses under Mechanical-Thermal-Assembly Loadings
Publisher: American Society of Civil Engineers
Abstract: This paper presents an extension of an energy-based method for analysis of statically indeterminate trusses under mechanical-thermal-assembly loadings. Using the Lagrange multiplier method, internal forces of statically ...
Autofrettage of Ultra-High Pressure Valve Body: Numerical and Experimental Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work proposed a technique reference on the determination of autofrettage pressure for ultra-high pressure valve. The detailed numerical autofrettage process for a valve body with 340 MPa design pressure was established, ...