Results 21 to 30 of about 47,039 (219)
A comparative analysis on the effect of two SPH schemes on suppressing pressure oscillation
Zhongguo Jianchuan Yanjiu, 2020 [Objectives] With the traditional smoothed particle hydrodynamics method, there is pressure oscillation in the flow field when simulating hydrodynamic problems involving free surfaces.
SUN Lei +3 more
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Energies, 2018 The fuel injection cycle-to-cycle variation characteristic in an opposed-piston compression ignition engine was investigated experimentally. Based on the optimal Proportion Integration Differentiation (PID) method, a new control method was proposed by ...
Yi Lu +4 more
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Numerical Investigation of Flow Characteristics in a Centrifugal Pump Impeller with Sinusoidal Flow Rates of Different Oscillation Amplitudes [PDF]
Journal of Applied Fluid Mechanics, 2022 This study describes the large eddy simulations of a centrifugal pump impeller considering a sinusoidal flow rate and a constant rotation speed. Five different oscillation amplitudes of flow rate (A = 0.1Qd, 0.15Qd, 0.2Qd, 0.25Qd, and 0.3Qd, Qd indicates
Y. Li, W. Zhang, X. Chen
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Nihon Kikai Gakkai ronbunshu, 2017 This paper studies the condition of reducing knock intensity which is the pressure oscillation initiated by auto-ignition of the end gas. The knock intensity is thought to be decreased by suppressing the reaction rate of auto-ignition. In this study, the
Mitsuaki OHTOMO +3 more
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Advances in Mechanical Engineering, 2017 A preliminary experimental investigation was performed with a focus on the axial pressure oscillations of self-resonating pulsed waterjet under different impinging surfaces.
Deng Li +3 more
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Energies, 2021 Supercritical carbon dioxide (SCO2) jets are a promising method to assist drilling, enhance oil–gas production, and reduce greenhouse gas emissions. To further improve the drilling efficiency of SCO2 jet-assisted drilling, organ-pipe nozzles were applied
Mengda Zhang +2 more
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Improvements of MPS for reducing numerical pressure oscillation in the dam break simulation
Shui kexue jinzhan, 2018 For pursuing an appropriate numerical method for free surface flow with large deformation, a vertical two dimensional corrected MPS numerical model for the simulation of the dam break flow was built based on the Moving Particle Semi-implicit (MPS) method.
WANG Lizhu +3 more
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Energy Science & Engineering, 2022 The aim of this paper is to analyze local autoignition induced by secondary flame acceleration. The secondary flame acceleration process and the local autoignition formation mechanism at the condition of the secondary flame acceleration propagation were ...
Yangyang Yu +3 more
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Study on Self-Excited Oscillation Suppression of Supersonic Inlet Based on Parallel Cavity
Frontiers in Energy Research, 2022 Aiming at the problem of self-excited oscillation in a supersonic inlet, the oscillation suppression of parallel cavities in a shock system is studied. Based on the shock dynamic model, the theoretical calculation model of parallel cavity under dynamic ...
FeiChao Cai, Xing Huang
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Effects of high-pressure treatment on the structure and function of myofibrils
Biophysics and Physicobiology, 2021 The effects of high pressure (40–70 MPa) on the structure and function of myofibrils were investigated by high pressure microscopy. When this pressure was applied to myofibrils immersed in relaxing solution, the sarcomere length remained almost unchanged,
Seine A. Shintani
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