Results 11 to 20 of about 290,148 (203)

Analysis of radiation-pressure induced mechanical oscillation of an optical microcavity [PDF]

open access: yesPhysical Review Letters, 2005
The theoretical work of V.B. Braginsky predicted that radiation pressure can couple the mechanical, mirror-eigenmodes of a Fabry-Perot resonator to it's optical modes, leading to a parametric oscillation instability.
Carmon, T.   +4 more
core   +4 more sources

Characteristic of pressure oscillation caused by turbulent vortexes and affected region of pressure oscillation [PDF]

open access: yesExperimental Thermal and Fluid Science, 2016
Abstract Submerged steam jet condensation is widely applied in various fields because of its high heat transfer efficiency. Condensation oscillation is a major character of submerged steam turbulent jet, and it significantly affects the design and safe operation of industrial equipment.
Weixiong Chen   +5 more
openaire   +3 more sources

Large Eddy Simulation and Dynamic Mode Decomposition of Supersonic Combustion Instability in a Strut-Based Scramjet Combustor

open access: yesAerospace, 2023
Supersonic combustion instability studies are crucial for the future maturation of scramjet engines. In the present paper, the supersonic combustion instability in a strut-based scramjet combustor is investigated through large eddy simulation and dynamic
Yuwei Cheng   +3 more
doaj   +1 more source

Gain-induced oscillations in blood pressure [PDF]

open access: yesJournal of Mathematical Biology, 1998
"Mayer waves" are long-period (6 to 12 seconds) oscillations in arterial blood pressure, which have been observed and studied for more than 100 years in the cardiovascular system of humans and other mammals. A mathematical model of the human cardiovascular system is presented, incorporating parameters relevantto the onset of Mayer waves.
Abbiw-Jackson, Roselyn M.   +1 more
openaire   +3 more sources

Numerical Simulation of Explosion Process of Different Gas Sources in Heading Face

open access: yesMeikuang Anquan, 2020
To investigate the influence of different gas sources on the explosion process in single heading roadway, numerical simulation technology system was used to simulate the effect of gas accumulation length and concentration on its explosion characteristics.
LUO Zhenmin, KANG Xiaofeng, WANG Tao, SU Bin, JIA Yuehua
doaj   +1 more source

Experimental Study on the Dynamic Heat Transfer Characteristics of a Mechanically Pumped Two-phase Cooling Loop

open access: yesFrontiers in Energy Research, 2021
The present research designs a mechanically pumped cooling loop system and conducts an experimental investigation on the dynamic heat transfer characteristics of the system.
Lei Li, Jianyun Tao, Wei Gao
doaj   +1 more source

Detection method of the self-resonating waterjet characteristic based on the flow signal in a pipeline

open access: yes工程科学学报, 2019
The self-resonating waterjet has the characteristics of high-frequency pressure oscillation and strong cavitation. Accurately grasping the jet characteristics is a prerequisite for the application research of self-resonating waterjets.
CAI Teng-fei   +4 more
doaj   +1 more source

A comparative analysis on the effect of two SPH schemes on suppressing pressure oscillation

open access: yesZhongguo 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
doaj   +1 more source

The Impacts of Three Flamelet Burning Regimes in Nonlinear Combustion Dynamics [PDF]

open access: yes, 2018
Axisymmetric simulations of a liquid rocket engine are performed using a delayed detached-eddy-simulation (DDES) turbulence model with the Compressible Flamelet Progress Variable (CFPV) combustion model.
Nguyen, Tuan, Sirignano, William A.
core   +2 more sources

On the Effect of a Rail Pressure Error State Observer in Reducing Fuel Injection Cycle-to-Cycle Variation in an Opposed-Piston Compression Ignition Engine

open access: yesEnergies, 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
doaj   +1 more source

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