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Keywords: Pumps
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011206.
Paper No: FE-17-1422
Published Online: August 16, 2018
... is asymmetric, then a unidirectional gas flow can be formed causing so-called EHD gas pumping. In spite of many experiments with different electrode shapes and configurations such as needle-to-mesh, needle-to-ring, wire-to-rod, wire-to-non-parallel plates, etc., aimed at production of intensive gas pumping...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101109.
Paper No: FE-17-1711
Published Online: August 6, 2018
...J. Alex Moreland; Dara W. Childs; Joshua T. Bullock Electric submersible pumps (ESPs) utilize grooved-rotor/smooth-stator (SS/GR) seals to reduce leakage and break up contaminants within the pumped fluid. Additionally, due to their decreased surface area (when compared to a smooth seal), grooved...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2019, 141(2): 021101.
Paper No: FE-17-1671
Published Online: June 29, 2018
...Aydın Hacı Dönmez; Zehra Yumurtacı; Levent Kavurmacıoğlu The aim of the current study is to investigate the effect of inlet blade angles on cavitation performance in a centrifugal pump. In order to reveal this relationship, both hub and shroud blade angles are considered and a two-phase three...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011204.
Paper No: FE-16-1724
Published Online: June 29, 2018
...R. Lundgreen; D. Maynes; S. Gorrell; K. Oliphant An inducer is used as the first stage of high suction performance pump. It pressurizes the fluid to delay the onset of cavitation, which can adversely affect performance in a centrifugal pump. In this paper, the performance of a water pump inducer...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011105.
Paper No: FE-17-1550
Published Online: June 29, 2018
... by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received August 30, 2017; final manuscript received May 17, 2018; published online June 29, 2018. Assoc. Editor: Satoshi Watanabe. 30 08 2017 17 05 2018 Aerodynamics Pumps...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121107.
Paper No: FE-17-1647
Published Online: June 26, 2018
...Ashish Doshi; Salim Channiwala; Punit Singh The larger objective of this research comes from the fact that optimization studies in “pumps operated as turbines” have concentrated only within flow zones without any physical perception regarding the influence of nonflow zones such as back-cavities...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121103.
Paper No: FE-18-1042
Published Online: June 13, 2018
.... [ 18 , 19 ] Pump-turbine proto Start-up Star-CCM+ Entire k – ω SST + wall function Shutdown Nicolle et al. [ 2 , 13 , 20 ] Francis and axial proto Start-up ANSYS CFX Reduce and entire k–ε Load rejection Huang et al. [ 21 ] Francis Load rejection Fluent Entire RNG k–ε...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111104.
Paper No: FE-17-1712
Published Online: May 28, 2018
.... Fluids Struct. , 69 , pp. 341 – 354 . 10.1016/j.jfluidstructs.2017.01.004 [11] Botero , F. , Hasmatuchi , V. , Roth , S. , and Farhat , M. , 2014 , “ Non-Intrusive Detection of Rotating Stall in Pump-Turbines ,” Mech. Syst. Signal Process. , 48 ( 1–2 ), pp. 162 – 173 . 10.1016...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111301.
Paper No: FE-17-1649
Published Online: May 18, 2018
...Wang Jian; Wang Yong; Liu Houlin; Si Qiaorui; Matevž Dular Cavitation has bothered the hydraulic machinery for centuries, especially in pumps. It is essential to establish a solid way to predict the unsteady cavitation evolution with considerable accuracy. A novel cavitation model was proposed...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101107.
Paper No: FE-17-1563
Published Online: May 18, 2018
...Xiaolong Fu; Deyou Li; Hongjie Wang; Guanghui Zhang; Zhenggui Li; Xianzhu Wei; Daqing Qin Complex energy conversion and energy dissipation occur in pump-turbines during the load rejection process. However, the underlying fluid mechanism is not clear. In order to solve these problems, in this study...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101106.
Paper No: FE-17-1279
Published Online: May 18, 2018
... May 16, 2017; final manuscript received April 10, 2018; published online May 18, 2018. Assoc. Editor: Wayne Strasser. 16 05 2017 10 04 2018 Computational fluid dynamics Duct Gas dynamics Pumps Unsteady flows Channel Pipe flows Turbomachines Oscillatory...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091204.
Paper No: FE-17-1595
Published Online: May 2, 2018
...Ming Liu; Lei Tan; Shuliang Cao Prewhirl regulation by inlet guide vanes (IGVs) has been proven as an effective method for operation regulation of centrifugal pumps. By contrast, the influence of the geometry of IGVs on operation stability of centrifugal pump remains unknown. The pressure...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. October 2018, 140(10): 104501.
Paper No: FE-17-1681
Published Online: May 2, 2018
...: Devesh Ranjan. 24 10 2017 26 03 2018 Compressible flows Gas dynamics Pumps Shocks Supersonic flows Turbomachines Condensation shocks are encountered in steam nozzles and in blade passages of the last stages of steam turbines. In addition, condensation shocks are also...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091202.
Paper No: FE-17-1674
Published Online: April 19, 2018
...Hyeon-Seok Shim; Kwang-Yong Kim; Young-Seok Choi This work presents a three-objective design optimization of a centrifugal pump impeller to reduce flow recirculation and cavitation using three-dimensional (3D) Reynolds-averaged Navier–Stokes equations. A cavitation model was used to simulate...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081202.
Paper No: FE-17-1426
Published Online: March 29, 2018
...D. G. J. Detert Oude Weme; M. S. van der Schoot; N. P. Kruyt; E. J. J. van der Zijden The effect of trimming of radial impellers on the hydraulic performance of low specific-speed centrifugal pumps is studied. Prediction methods from literature, together with a new prediction method that is based...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081201.
Paper No: FE-17-1386
Published Online: March 29, 2018
.... 1161 – 1193 . 10.1590/0001-3765201520140622 Boundary layers Measurement techniques Pumps Stability Turbulence Fluid mechanics Turbomachines Transition In flows along solid body surfaces, the boundary layer represents the narrow zone between the wall and the freestream where...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071102.
Paper No: FE-17-1341
Published Online: March 16, 2018
...Jinhong Hu; Jiandong Yang; Wei Zeng; Jiebin Yang The transient behaviors of a prototype pump turbine are very important to the safe operation of a pumped-storage power plant. This is because the water hammer pressure during transient events affects the pressure surges in the spiral case (SC...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071101.
Paper No: FE-16-1631
Published Online: March 16, 2018
... to generate linear regression models that demonstrate how these parameters affect the leakage rate and the dynamic coefficients, including the effective damping. 26 09 2016 24 01 2018 Computational fluid dynamics Gas dynamics Pumps Turbomachines In turbomachinery, annular...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071403.
Paper No: FE-17-1266
Published Online: March 16, 2018
...Grunde Olimstad; Morten Osvoll; Pål Henrik Enger Finstad For low-flow and high-head applications, pump types such as progressive cavity or gear pumps are often used. However, centrifugal pumps are much more robust and wear resistant, and are beneficial if they can handle the rated head and flows...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061103.
Paper No: FE-17-1394
Published Online: February 16, 2018
...Mao Xiuli; Pavesi Giorgio; Zheng Yuan Flexible electricity demand and variability of the electricity produced by wind turbines and photovoltaic affect the stable operations of power grids. Pump-turbines are used to stabilize the power grid by maintaining a real-time electricity demand. Consistently...