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Tutorial On Steam Turbine Drivers For Fossil And Nuclear Feed Pump Applications [PDF]
, 2008 Tutorialpg. 59This tutorial will present an overview of the operation and design of steam turbines used for driving reactor and boiler feed pumps, called a boiler feed pump turbine (BFPT).
DiOrio, Jerry
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Energies, 2022 The heat pump system has been widely used in residential and commercial applications due to its attractive advantages of high energy efficiency, reliability, and environmental impact.
Abbas Aghagoli +2 more
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Study of a regenerative pump using numerical and experimental techniques [PDF]
, 2009 Regenerative pumps are the subject of increased interest in industry as these pumps are low cost, low specific speed, compact and able to deliver high heads with stable performance characteristics.
Scanlon, T.J. +4 more
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The acceleration effect of pump as turbine system during starting period
Scientific Reports, 2023 In order to reveal the influence of starting acceleration on starting process of a pump as turbine system, this paper carries out a numerical calculation of the three-dimensional viscous unsteady flow of pump as turbine circulating piping system under ...
Yu-Liang Zhang, Jin-Fu Li, Zu-Chao Zhu
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Upthrust Problems On Multistage Vertical Turbine Pumps [PDF]
, 2005 Lecturepg. 46Vertical turbine pumps are designed to operate with the pump shafts in tension (downthrust). Most pump and motor manufacturers caution users to not operate the vertical turbine pumps at conditions that result in upthrust. upthrust ...
Smith, Donald R., Price, Stephen
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Internal Flow Phenomena of Two-Way Contra-Rotating Axial Flow Pump-Turbine in Pump Mode under Variable Speed [PDF]
Journal of Applied Fluid Mechanics, 2022 This paper investigated the variable speed operation of a two-way contra-rotating axial flow pump–turbine in pump mode. When counter-rotating impellers operate at the same speed, a significant difference exists in the shaft power of the two impellers ...
C. An +5 more
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Vertical Turbine Pump Reliability Improvement [PDF]
, 2018 Case StudyThe subject pump was designed and installed when pipeline pressure was estimated high based on a higher production volume. The selected multistage vertical turbine-pumps are generically prone to vibration issues due to its flexible shaft design.
Zhao, Yve
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Hydrodynamic and experimental characterization of pumps as turbines
Dyna, 2023 To estimate the performance, efficacy, modes of operation, hydrodynamic instabilities, and methodologies for harnessing energy from the pump as turbine (PAT), it is necessary to characterize these hydraulic turbomachines in all their modes of operation ...
Daniel Felipe Tobón-Espinosa +3 more
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Optimal parameters of elliptical groove gas film face seal with bidirectional rotational characteristics [PDF]
International Journal of Fluid EngineeringThe performance of gas film face seals is substantially affected by the geometric features of the texture on the seal face. To enhance the design of elliptical groove face seals for efficient bidirectional rotation, a comprehensive theoretical analysis ...
Yuansen Song +3 more
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Research on configuration and performance of water ramjet pressurized water intake system
Xibei Gongye Daxue Xuebao, 2023 Water ramjet is the most ideal power propulsion device for high-speed underwater weapons. However, failure to start it at low-speed makes it hard for the engine to be widely used.
YANG Hao +5 more
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