Theoretical analysis of the oscillating circular piston positive displacement flowmeter: I – Modelling the forces acting on the piston
Sign Up to like & getrecommendations! Published in 2017 at "Flow Measurement and Instrumentation"
DOI: 10.1016/j.flowmeasinst.2017.11.011
Abstract: Abstract This first part of the paper describes the theoretical modelling of the behaviour of an oscillating circular piston positive displacement flowmeter (also known as the rotary piston flowmeter), by considering the principal forces acting… read more here.
Keywords: piston; positive displacement; flowmeter; circular piston ... See more keywords
Experimental study of positive displacement hydraulic turbine at various temperatures and development of empirical co-relation for flowrate prediction
Sign Up to like & getrecommendations! Published in 2021 at "Renewable Energy"
DOI: 10.1016/j.renene.2021.03.118
Abstract: Abstract Positive displacement hydraulic turbine (PDT) is a new class of turbine, capable of effectively generating micro and Pico hydro power for low specific speed applications. This type of turbine is not very popular and… read more here.
Keywords: hydraulic turbine; displacement hydraulic; positive displacement; turbine ... See more keywords
Three-dimensional/one-dimensional seamlessly coupled simulation of cavitating flow in reciprocating positive displacement pumps and their piping
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0252237
Abstract: A novel three-dimensional/one-dimensional (3D/1D) coupled simulation method is applied to study cavitation dynamics in a simplex plunger positive displacement pump. The compressible 3D unsteady Reynolds-averaged Navier–Stokes equations are solved by a finite volume method, using… read more here.
Keywords: positive displacement; dimensional one; coupled simulation; simulation ... See more keywords
Development and research of diaphragm hydrolic diode for positive displacement pumps
Sign Up to like & getrecommendations! Published in 2024 at "Mechanics Based Design of Structures and Machines"
DOI: 10.1080/15397734.2024.2374452
Abstract: Abstract On the analysis of literary sources and working processes of a positive displacement pump we established that a hydrolic diode in positive displacement pumps improves their reliability and their most efficient application is in… read more here.
Keywords: displacement pumps; diode; hydrolic diode; positive displacement ... See more keywords
On the Volumetric Loss Caused by Incomplete Filling with Undissolved Gas in Positive Displacement Pumps: Lumped Parameter Modeling, CFD Comparisons, and Experimental Validations
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DOI: 10.13052/ijfp1439-9776.2622
Abstract: The analysis of the incomplete filling behavior of positive displacement machines requires considerations of the air content within the fluid and its dependency with the suction conditions, which are often associated with high uncertainties. This… read more here.
Keywords: pump; incomplete filling; positive displacement; gas ... See more keywords
Predictive maintenance strategy to increase the availability of positive displacement pumps: a case study based in Ekurhuleni base metals in South Africa
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Services and Operations Management"
DOI: 10.1504/ijsom.2019.10020832
Abstract: The paper argues the use of the case research method to study predictive maintenance of positive displacement pumps of Ekurhuleni base metals in Springs, Gauteng district of South Africa. The study covered detailed predictive maintenance… read more here.
Keywords: predictive maintenance; positive displacement; maintenance; case ... See more keywords
Performance Evaluation for Positive Displacement Motors by Combining Fluid-Structure Interaction Simulations and Experiments
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DOI: 10.2118/223929-pa
Abstract: The aim of this study is to propose a method for evaluating the performance of positive displacement motors (PDMs) from the perspective of robustness and energy conversion efficiency. Monitoring contact force and leakage is challenging… read more here.
Keywords: fluid structure; positive displacement; structure interaction; performance ... See more keywords