Pressure Fluctuation
Impact of Impeller Stagger Angles on Pressure Fluctuation for a Double-Suction Centrifugal Pump
... on pressure fluctuation in double- suction centrifugal impellers and found that the V cut decreases pressure ...reduce pressure fluctuations in comparison with the traditional ...the ...
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STABILITY ANALYSIS OF DRAFT TUBE SPOUTED BED USING PRESSURE FLUCTUATION ANALYSIS
... of pressure fluctuation does not change significantly and follows the same trend for various bed heights indicating insignificant effect of bed heights on stability of draft tube spouted bed ...solid ...
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Experimental Study of Orifice-Induced Pressure Fluctuation and Pipe Vibration
... This paper presents the hydraulic test for studying the orifice induced pressure fluctuation and vibration in pipeline. Based on the preliminary test results, which has been presented in paper ...
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Decay of Pressure Fluctuation in the Hyporheic Zone around a Cylinder
... Understanding the intricacies of sediment transport and incipient motion requires knowledge of forces applied to individual particles. Multiple studies exist measuring pressures in the interstices of gravel and relate it ...
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Correlation Dimension for Pressure Fluctuation in Hydraulic Turbine Draft Tube
... the pressure fluctuation in draft tube, in this paper, fractal correlation dimension [3] is used to analyze the pressure fluctuation in draft tube, the simulation experiments demonstrate that ...
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Instability of 24-hour intraocular pressure fluctuation in healthy young subjects: a prospective, cross-sectional study
... intraocular pressure (IOP) is a major risk factor for the development and/or progression of glaucoma, and a large diurnal IOP fluctuation has been identified as an independent risk factor of glaucoma ...
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Airfoil Trailing Edge Noise Generation and Its Surface Pressure Fluctuation
... surface pressure with the noise ...surface pressure measurements where the time history pressure data are recorded by the surface pressure micro- ...aerodynamic pressure. The results of ...
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Blood Pressure Fluctuation and Intraventricular Hemorrhage in the Preterm Infant of Less Than 31 Weeks' Gestation
... puter-based system of data collection. At the start of recording, the ultrasound scan appeared normal in each infant, but intraventricular hemorrhage developed in ten infants less than 3[r] ...
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Correlation between short-term and long-term intraocular pressure fluctuation in glaucoma patients
... The prior studies on IOP fluctuation were a mix of short-term and long-term studies. It has been difficult to determine the significance of these studies due to lack of standardization regarding the time between ...
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Investigation of intraocular pressure fluctuation as a risk factor of glaucoma progression
... IOP fluctuation requires phasing of IOP measured several times during the day, on different days, and over a long ...IOP fluctuation on glaucoma progression, a certain number of IOP profiles were ...
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Numerical Simulation of Pressure Fluctuation in High-pressure Common-rail Fuel Injection System
... the fluctuation of oil pressure, and to output high-pressure fuel by adjusting the characteristic parameters of the ...and pressure relief valve is opened automatically when the ...
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Thermal effect in pressure fluctuation : internal flow
... Vibration induced by fluid flow can be classified by the nature of the fluid structure interaction as effects which are largely independent of viscosity include added mass and inertial coupling. Unsteady pressure ...
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Flow Accelerated Corrosion in Pipe Wall Downstream of Orifice for Water and Air Water Bubble Flows
... An orifice is used widely as a flow meter or a contraction device in pipeline systems in hydro- power plants, thermal power plants, and chemical plants because of its simple construction, high reliability, and low cost. ...
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A Numerical Approach to Possible Identification of the Noisiest Zones of a Wall Surface with a Flow Interaction
... wall pressure fluctuation on the blade. 2) The previous wall pressure fluctua- tion of the blade is used to estimate the loading noise from the FW&H analogy [5] ...
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Wall-Pressure Fluctuations of Modified Turbulent Boundary Layer with Riblets
... the pressure drop readings for each surface and the flow rate are simultaneously recorded over ...of pressure fluctuation signals is made up of large-scale disturbances that are of ...
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3D CFD Simulation of Water Hammer in High Pressure Common Rail System of Diesel Engine
... hammer pressure triggered by injection in the high pressure common rail system play a major role in precise controlling of diesel ...The fluctuation characteristics of pressure and velocity in ...
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Suppression of Vortex Precession in a Non Contact Handling Device by a Circular Column
... negative pressure in the central area of the swirl- ing flow generates vacuum ...odic pressure fluctuation is then generated [12]-[15]. This fluctuation disturbs stable handling of the ...the ...
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Aeroacoustics characterization methodology applicable to turbocharger compressor
... Turbochargers have become an important part of modern high efficient engines, and soon will be a standard component. Almost all automotive and industrial diesel engines and most of the high performance SI engines are ...
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An Experimental Study of Two-Phase Pulse Flushing Technology in Water Distribution Systems
... peak pressure value and the fluctuation range are high, as well as the deviation, especially the variance of the average peak pressure value reaches ...and pressure fluctuation range ...
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Reliability Analysis of Super 13Cr Tubing in Ultra Deep Gas Well
... the pressure fluctuation range of the flow in the string is large; the production is high, and the unstable fluid leads to the pulsation of the pipe wall and increases the vibration damage of the string; at ...
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