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Correlation analysis of cavitation-induced pressure pulsation and vibration in a bulb turbine
Cavitation is one of the main causes of deteriorating stability of bulb turbines. To enhance their stability, this study examines the effects of...
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RASP methods for achieving low torque pulsation in spoke-type PM motors
This paper proposes a new structure using reshaped assisted salient pole (RASP) methods to reduce the torque ripple of spoke-type permanent magnet...
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Experimental study on effects of air injection on cavitation pressure pulsation and vibration in a centrifugal pump with inducer
Cavitation commonly induces performance deterioration and system vibration in many engineering applications. This paper aims to investigate the...
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Numerical Estimation and Validation of Pressure Pulsation in Centrifugal Pump Discharge Pipes
Pressure pulsation is inherently present in all centrifugal pumps because of the rotor–stator interaction of impeller and volute. But its higher...
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Deformation pre-compensated optimization design of cam ring for low pulsation hydraulic motors
Cam-lobe radial-piston hydraulic motors are widely used in large machinery due to their excellent capability to withstand high loading at low speed....
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Comparative Study on Hydraulic Pressure Pulsation Characteristics in Simple and Regenerative Hydraulic System
Several sources for excitation of high fluid pressure pulsation and hydraulic pipeline systems can produce pipeline system vibration failures due to...
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Characteristic Analysis of Pressure Pulsation Attenuation by Different Combinations of Inner Cannula
Hydraulic system’s pressure pulsation has a great influence on the accuracy and performance of the actuator, so it is great significance to study the...
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Determination of stage-wise pressure pulsation in a vertical multistage electrical submersible pump
Centrifugal-type electric submersible pumps (ESPs) are extensively utilized in agriculture, oil and gas industries, and several other industrial...
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Some Causes and Effects of Pressure Pulsation in a Hydraulic System Including the Impact on the Environment
A theoretical analysis of displacement pump capacity pulsation was carried out. In a hydraulic system, capacity pulsation contributes to pressure...
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Design Improvement of the Rotary-Pulsation Device by Resonance Phenomena
Design improvement for increasing the energy efficiency of machines and equipment in the food industry is particularly relevant to the current state...
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A Novel Screw Compressor with a Shunt Enhanced Decompression and Pulsation Trap (SEDAPT)
When operating at pressures outside of their design point of a screw compressor, under- or over-compression would occur due to the deviation of the...
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Orifice Frequency Dispersion Characteristics Effect on Hydraulic System Pressure Pulsation
Pressure pulsations are inevitable in hydraulic transmission systems. Orifices are employed to damp pressure pulsation to improve the system control...
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Numerical Study on the Effect of Blade Trailing Edge Filing on Performance and Unsteady Pressure Pulsation in Low Specific Speed Centrifugal Pump
PurposeThe change of blade trailing edge shape will affect the wake structure of impeller outflow, which has a significant impact on pressure...
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Suppression Method of DC Voltage Pulsation in Three - Phase Four - Wire APF
When APF compensates the three-phase load, the DC side bus voltage pulsates, which leads to the command current containing excess current components,...
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Study on Pressure Pulsation Induced by Cavitation at the Tongue of the Volute in a Centrifugal Pump
To study the cavitation and induced pressure pulsation characteristics of the volute tongue of the centrifugal pump, the full channel numerical...
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Experimental and theoretical study on the break phenomenon of self-pulsation for liquid-centered swirl coaxial injectors
Experimental observations together with theoretical analysis were conducted to investigate the break phenomenon and the corresponding mechanisms of...
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Research on vibration reduction of direct-drive piston pump based on porous variable diameter Helmholtz pulsation attenuator
Aiming at the vibration suppression and noise reduction of a direct-drive piston pump system, a novel porous variable diameter Helmholtz pulsation...
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In-Line Sphere Arrays as Pressure Pulsation and Pipeline Vibration Dampers in Reciprocating Compressor Manifold
Pressure pulsations and pipeline vibrations are unfavorable phenomena generated by the periodic operation of the volumetric compressors. The variable...
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Sources of Pressure Pulsation in the Machines Hydraulic Systems
This chapter will specifically analyze the sources of pressure pulsations in an operating hydrostatic system.
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Prediction of Pressure Pulsation Dam** Efficiency with the Use of Shaped Nozzles Based on Their Geometrical Parameters
The article presents the results of pressure pulsation dam** obtained for different shapes of dam** elements installed in a positive displacement...