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Suppression of Pressure Oscillation in Supersonic Parachute Model Using a Ring
A method for suppressing the pressure oscillation of supersonic parachutes is proposed in this study. This method placed a ring with a triangular or...
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De-noising of radiation pressure signal generated by bubble oscillation based on ensemble empirical mode decomposition
The radiation pressure signals generated by the bubble oscillation are often utilized to recognize the characteristics of the target objects in many...
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Experimental analyses of temperature and pressure oscillation frequencies of a flat plate pulsating heat pipe tested under various edge orientation angles and heat loads
A closed loop flat plate pulsating heat pipe, filled with Opteon™ SF33 (with a filling ratio of 50%), was experimentally studied in different...
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Regularity criterion in terms of the oscillation of pressure for the 3D Navier–Stokes equations
We obtain a new regularity criterion in terms of the oscillation of time derivative of the pressure for the 3D Navier–Stokes equations in a domain
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Hot Oscillation Pressure Sintered and Post Heat Treated 90W-7NI-3FE Refractory Alloy
The 90W-7Ni-3Fe refractory alloy was first sintered using hot oscillating pressure (HOP) and hot pressure, which were then heat treated in this work....
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Characteristic of temperature oscillation during the operation of loop heat pipe enhanced by pressure head of evaporation
Temperature oscillation usually occurs in the LHP operation, which would impede the temperature controlling ability of LHPs. Therefore, in this...
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Electrowetting Induced Dynamics of Microdroplet Oscillation
A 2D axisymmetric, numerical model has been developed to study the electrowetting induced oscillation of droplet. Laminar two-phase flow phase field...
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Internal Flow Simulation and Experimental Study of Non-moving Component Jet Oscillation Tool
Aiming at the problems of high drilling friction and serious backing pressure on the drill string under the difficult oil and gas drilling...
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Influence of structural parameters of self-excited nozzle on oscillation effect of pulse jet
To design a self-excited oscillation pulse jet (SOPJ) nozzle with excellent performance and improve the rock breaking efficiency of hard rock...
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Experimental study on transition of dynamic airfoil in pitching oscillation
The transition characteristics of dynamic airfoil have significant effects on the aerodynamic performance of wind turbines, helicopter rotor blades,...
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An Adaptive System Identification Framework for Early Detection of Themoacoustic Oscillation in Gas Turbine Combustor
Thermoacoustic oscillation is an unexpected and self-sustained high amplitude oscillation that can occur in landed gas turbines, causing severe...
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Suppression of vortex rope oscillation and pressure vibrations in Francis turbine draft tube using various strategies
The vortex rope usually occurs in the draft tube of the Francis turbine operated under part-load conditions, to induce strong low-frequency pressure...
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Performance Analysis of a Mutual-Excited Oscillation Linear Hydraulic Motor
Electro-hydrostatic actuator (EHA) is key component of more-electric aircraft. A novel collaborative rectification linear pump used in EHA is...
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Pressure oscillations and radial forces for centrifugal pumps with single- or double-suction impellers
This study proposes a centrifugal pump that features a single-suction pipe with a double-suction impeller to enhance dynamic characteristics....
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Experimental research of the cavitation bubble dynamics during the second oscillation period near a spherical particle
In this paper, the dynamic behaviors of the cavitation bubble near a fixed spherical particle during the second oscillation period are analyzed based...
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Effect of Vertical Periodic Oscillation with Two Commensurate Frequencies on the Rayleigh-Taylor Instability
The aim of this work is to examine the effect of a periodic vertical oscillation with two frequencies on the instability of a thin horizontal fluid...
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Backlash compensation based oscillation suppression control for automatic loading manipulator arm with nonlinear extended state observer
A servo system of automatic loading manipulator arm (ALMA) with backlash nonlinearity is investigated in this paper to suppress the limit cycle...
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Wall Pressure Fluctuations on a Cone-Cylinder Model at Transonic Regime
Flow induced vibrations and interior noise are inevitable issues for aerospace vehicle design. Panel vibrations under fluctuating pressure excitation...
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Experimental Investigation on the Flow-Induced Oscillation in Deep Cavity and the Controlling Effect Using Wedge Spoiler
Flow-induced oscillation is an important phenomenon in cavity flow. It will produce strong aeroacoustic noise and radiate to the far-filed with...
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Flow mechanism study and geometrical parameters analysis of fluidic oscillators based on pressure-sensitive paint measurements and modal analysis
The present study optimized some novel fluidic oscillator designs, measured their internal–external fluid dynamics, and used modal analysis to reveal...
