Controlled Methods to Suppress Pressure Pulsations in Multiphase Pipelines
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Engineering Physics and Thermophysics"
DOI: 10.1007/s10891-020-02111-w
Abstract: The authors have proposed controlled methods to suppress (diminish) pressure pulsations in pipelines with account taken of rheological properties and on the basis of swirling of the flow of piped multiphase systems. It has been… read more here.
Keywords: methods suppress; controlled methods; pressure pulsations; multiphase pipelines ... See more keywords
Experimental investigation on clocking effect of vaned diffuser on performance characteristics and pressure pulsations in a centrifugal pump
Sign Up to like & getrecommendations! Published in 2018 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2017.09.022
Abstract: Abstract Clocking effects can generally have a great influence on the operational state of centrifugal pumps. In order to analyze the effects of the positions of the vaned diffuser relative to the annular volute on… read more here.
Keywords: centrifugal pump; frequency; vaned diffuser; pressure pulsations ... See more keywords
Vortical structures and pressure pulsations in draft tube of a Francis-99 turbine at part load: RANS and hybrid RANS/LES analysis
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2016.05.007
Abstract: Abstract Recognizing the limitations of the conventional linear-eddy-viscosity (LEVM) Reynolds-averaged Navier–Stokes (RANS) models to reproduce complex three-dimensional unsteady flows in hydraulic machinery, we performed a comparative assessment of a second-moment (Re-stress model, RSM) RANS closure… read more here.
Keywords: rans les; vortical structures; tube francis; pressure pulsations ... See more keywords
Analysis of Pressure Pulsations on the Wall in a Flat Diffuser Channel in Unseparated and Separated Flow Regimes
Sign Up to like & getrecommendations! Published in 2019 at "High Temperature"
DOI: 10.1134/s0018151x1901005x
Abstract: The paper presents the results of experimental studies of pressure pulsations on the wall of a flat diffuser channel in unseparated and separated flow regimes. The dependences of the root-mean-square values of pressure pulsation amplitudes… read more here.
Keywords: flow; pressure pulsations; flat diffuser; pulsations wall ... See more keywords
Experimental study of pressure pulsations in the flow duct of a medium-size model hydroelectric generator with Francis turbine
Sign Up to like & getrecommendations! Published in 2018 at "Thermophysics and Aeromechanics"
DOI: 10.1134/s086986431801002x
Abstract: In the present study, we report on the results of an experimental study of pressure pulsations in the flow duct of a medium-scale hydrodynamic bench with Francis turbine. In various regimes, integral and pulsation characteristics… read more here.
Keywords: pulsations flow; turbine; pressure pulsations; flow duct ... See more keywords
Influence of a tapered cylinder nozzle on pressure pulsations in a variable high-speed reciprocating compressor piping system
Sign Up to like & getrecommendations! Published in 2017 at "Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering"
DOI: 10.1177/0954408915620738
Abstract: This paper investigates the influence of a tapered cylinder nozzle (TCN) on pressure pulsations in a high-speed reciprocating compressor piping system. Numerical methods, the 3D frequency-domain finite element method (FEM) and the 3D time-domain computational… read more here.
Keywords: compressor; cylinder nozzle; piping system; pressure pulsations ... See more keywords
Investigation of Low-Frequency Noise, in Order to Reduce it During the Operation of Compressor Mounts
Sign Up to like & getrecommendations! Published in 2023 at "Ecology and Industry of Russia"
DOI: 10.18412/1816-0395-2023-4-50-55
Abstract: Experimental researches of characteristic of low frequency noise and gas dynamic gas pressure pulsations were carried out on experimental compressor mount and in the real industrial conditions. It is shown that gas pressure pulsations are… read more here.
Keywords: noise; pressure pulsations; low frequency; compressor ... See more keywords
Pressure Pulsation Characteristics of a Model Pump-turbine Operating in the S-shaped Region : CFD Simulations
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Fluid Machinery and Systems"
DOI: 10.5293/ijfms.2017.10.3.287
Abstract: The most detrimental pressure pulsations in high-head pump-turbines is caused by the rotor–stator interaction (RSI) between the guide vanes and runner blades. When the pump-turbine operates in the S-shaped region of the characteristic curves, the… read more here.
Keywords: shaped region; pump turbine; pressure pulsations; pressure ... See more keywords