Results 21 to 30 of about 70,148 (323)
Impeller meridional plane optimization of pump as turbine [PDF]
Science Progress, 2019 How to improve efficiency is still a very active research point for pump as turbine. This article comes up with a method for optimal design of pump as turbine impeller meridional plane. It included the parameterized control impeller meridional plane, the computational fluid dynamics technique, the optimized Latin hypercube sampling experimental design,
Miao Sen-chun +4 more
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Performance of a centrifugal pump running in inverse mode [PDF]
, 2004 This paper presents the functional characterization of a centrifugal pump used as a turbine. It shows the characteristics of the machine involved at several rotational speeds, comparing the respective flows and heads.
Engeda A. +5 more
core +1 more source
Complexity, 2020 Energy contributes significantly in almost all aspects of human life as well as economic activities and plays a crucial role in the infrastructural development of a county to alleviate poverty.
Du Jianguo +4 more
doaj +1 more source
Innovation of Pump as Turbine According to Calculation Model for Francis Turbine Design
Energies, 2021 The effective utilization of micro hydropower sources is often realized through the use of pumps as turbines (PAT). The efficiency of PAT is about the same as that of the original pump. A further increase in efficiency and power output can be achieved by
Martin Polák
doaj +1 more source
Feasibility studies of a converter-free grid-connected offshore hydrostatic wind turbine [PDF]
, 2020 Owing to the increasing penetration of renewable power generation, the modern power system faces great challenges in frequency regulations and reduced system inertia.
Lin, Shuyue, Tong, Xin, Zhao, Xiaowei
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Experimental campaign tests on ultra micro gas turbines, fuel supply comparison and optimization [PDF]
, 2018 The increasing demand for miniaturized radio-controlled vehicles inspired the following research. The uses of these unmanned miniaturized/micro vehicles range from aero-modeling to drones for urban control and military applications too.
Capata, Roberto, Saracchini, Matteo
core +2 more sources
Process analysis of pressurized oxy-coal power cycle for carbon capture application integrated with liquid air power generation and binary cycle engines [PDF]
, 2015 In this paper, the thermodynamic advantage of integrating liquid air power generation (LAPG) process and binary cycle waste heat recovery technology to a standalone pressurized oxy-coal combustion supercritical steam power generation cycle is ...
Aneke, Mathew, Wang, Meihong
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Pump as Turbine: Dynamic Effects in Small Hydro [PDF]
Linköping Electronic Conference Proceedings, 2011 This work focuses on the hydraulic aspects of a Pump as Turbine (PAT) when subjected to different working conditions, including accidental situations. This will provide useful information for the choice of the most adequate solution and will ensure a co rrect design and safe operation of the installed equipments.
Pedro A. Morgado, Helena M. Ramos
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Measuring the Dynamic Characteristics of a Low Specific Speed Pump—Turbine Model
Energies, 2016 This paper presents results from an experiment performed to obtain the dynamic characteristics of a reversible pump-turbine model. The characteristics were measured in an open loop system where the turbine initially was run on low rotational speed before
Eve Cathrin Walseth +2 more
doaj +1 more source
International Journal of Rotating Machinery, 2018 In this study, a counter-rotating-type pump-turbine unit was optimized to improve the pump and turbine mode efficiencies simultaneously. Numerical analysis was carried out by solving three-dimensional Reynolds-averaged Navier–Stokes equations using the ...
Jin-Woo Kim +5 more
doaj +1 more source