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Keywords: numerical simulation
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2022, 144(10): 101201.
Paper No: FE-21-1277
Published Online: May 6, 2022
... ] numerically studied the dynamic regulation characteristics of a direct-operated safety relief valve from opening to closing processes. They found that inconsistent opening and closing time causes a large amount of fluid loss. Wu et al. [ 11 ] conducted numerical simulations on the internal flow field...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2022, 144(10): 101203.
Paper No: FE-21-1692
Published Online: May 6, 2022
... compound droplet constriction numerical simulation thermocapillary migration National Foundation for Science and Technology Development 10.13039/100007224 107.03-2019.307 where u stands for the velocity vector, f for the momentum forcing term used to impose a nonslip boundary...
Topics: Drops
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2022, 144(8): 081202.
Paper No: FE-21-1345
Published Online: March 2, 2022
... clearance numerical simulation flow pattern National Natural Science Foundation of China 10.13039/501100001809 52079058 Sewage pumps have been widely used in municipal, industrial, and environmental engineering and many other fields [ 1 – 3 ]. The transport medium of sewage pumps...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. May 2022, 144(5): 051202.
Paper No: FE-21-1278
Published Online: January 12, 2022
... with different structures were studied by experiments and numerical simulations. Research shows that the flow separation occurs at the edge of the valve disk, and the drag of the valve disk fluctuates nonperiodically with time. Under different opening degrees, the velocity distribution downstream of the valve...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2021, 143(9): 091204.
Paper No: FE-20-1731
Published Online: May 27, 2021
... scheme. In order to numerically simulate water hammers in pipe series, the improved junction boundary condition was established. It involves assigning two sets of values, which describe flow parameters, to the connection node thus causing it to act as two separate nodes. The numerical model...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2021, 143(7): 071207.
Paper No: FE-20-1636
Published Online: April 9, 2021
... flapping foil. e-mail:  1204201936@qq.com e-mail:  xjsun@usst.edu.cn 16 10 2020 25 01 2021 09 04 2021 flapping foil energy extraction circulation control energy consumption numerical simulation The demand for energy is rapidly increasing along with the global...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2020, 142(11): 111403.
Paper No: FE-20-1103
Published Online: September 4, 2020
... tumor cell compound droplet model adaptive-mesh-refinement (AMR) pressure profile numerical simulation In this study, the AMR-based numerical method is used to simulate the droplet dynamics during passing through the microfilter. As the living cells are heterogeneous in nature with a nucleus...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2020, 142(11): 111202.
Paper No: FE-19-1761
Published Online: August 7, 2020
.../j.expthermflusci.2017.02.007 [23] Li , X. , Shen , T. , Li , P. , Guo , X. , and Zhu , Z. , 2020 , “ Extended Compressible Thermal Cavitation Model for the Numerical Simulation of Cryogenic Cavitating Flow ,” Int. J. Hydrogen Energy , 45 ( 16 ), pp. 10104 – 10118...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. September 2020, 142(9): 094502.
Paper No: FE-19-1726
Published Online: June 1, 2020
... with the sediment-laden water. In this research, the runner's physical erosion wear mechanism is revealed using numerical simulations and the results are compared with damaged runners from Francis turbines in the Jhimruk Hydroelectric Center (JHC). Simulations show that high erosive wear occurs near the blade...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2019, 141(8): 081112.
Paper No: FE-18-1423
Published Online: March 11, 2019
...Javid Zohrabi Chakaneh; Seyed Javad Pishbin; Alireza Sheikhi Lotfabadi; Mohammad Passandideh-Fard In this paper, the impact of distilled water drops on hydrophobic cylinders is characterized using both experiments and numerical simulations. Water drops of 2.54 mm in diameter impact with a velocity...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2019, 141(3): 031105.
Paper No: FE-18-1163
Published Online: October 5, 2018
... NGINEERING . Manuscript received March 9, 2018; final manuscript received August 29, 2018; published online October 5, 2018. Assoc. Editor: Shizhi Qian. 09 03 2018 29 08 2018 ionic wind pump volumetric flow rate numerical simulation Greek Symbols ε = dielectric constant...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2015, 137(3): 031202.
Paper No: FE-14-1136
Published Online: October 21, 2014
... ratio. Otherwise, the pressure drop reduces linearly by increasing the valve ratio. unequal-sized droplets T-junction with valve numerical simulation VOF nano 3D Fig. 14 Droplet breakup. ( a ) without tunnel, Ca = 0.1 and valve ratio = 0.4. ( b ) with tunnel, Ca = 0.1 and valve...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2015, 137(2): 021204.
Paper No: FE-14-1144
Published Online: September 26, 2014
.... , and Yang , K.-S. , 2006 , “ Direct Numerical Simulation of Turbulent Flow Around a Rotating Circular Cylinder ,” ASME J. Fluids Eng. , 129 (1), pp. 40 – 47 . 10.1115/1.2375133 [13] Yoon , D.-H. , Yang , K.-S. , and Bremhorst , K. , 2011 , “ Effects of Schmidt Number on Turbulent...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2015, 137(1): 011102.
Paper No: FE-13-1639
Published Online: September 10, 2014
... be successfully applied to arbitrarily fine meshes and is widely adaptable to all turbulence models of the code [ 35 ]. This formulation has in fact been adopted in all the numerical simulations in the present study, since the values of y + for the whole computational domain were always lower than 200...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2014, 136(11): 111107.
Paper No: FE-13-1457
Published Online: September 4, 2014
..., a high viscosity is attributed to the solid zone which resolves the nonphysical dynamic condition at the fluid/solid interface. From extensive numerical simulations performed in the course of this study, it was found that the ratio of solid-to-fluid viscosities should be almost the same as the ratio...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2014, 136(8): 081302.
Paper No: FE-13-1210
Published Online: May 15, 2014
... the value of Δp max at different inlet pressures and to ensure that the Venturi injector runs in a safe operating-pressure range. Venturi injector cavitation detection strain gauge numerical simulation With the growing shortage of water resources and increasing investment in agricultural...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2014, 136(7): 071101.
Paper No: FE-13-1118
Published Online: May 7, 2014
.... Fluids Eng. , 134 ( 10 ), p. 101103 . 10.1115/1.4007382 [4] Zhou , P. J. , Wang , F. J. , and Yang , M. , 2012 , “ Internal Flow Numerical Simulation of Double-Suction Centrifugal Pump Using DES Model ,” Proceedings of the 26th IAHR Symposium on Hydraulic Machinery and Systems...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2014, 136(1): 011102.
Paper No: FE-13-1180
Published Online: October 7, 2013
... turbulent flow periodic array of particles numerical simulation Turbulence phenomena in porous media can be found in a wide range of engineering applications, such as convections in high temperature gas-cooled nuclear reactors, packed bed combustors, catalytic reactors, and compact heat exchangers...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. October 2013, 135(10): 104501.
Paper No: FE-13-1086
Published Online: July 23, 2013
... simulation was analyzed. The results indicated that the appropriate impeller rear shroud radius could improve the pump performance and lower the axial force significantly. deep-well centrifugal pump axial force numerical simulation impeller trimming experiment Pumps are used in varied...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2013, 135(8): 081102.
Paper No: FE-12-1180
Published Online: June 3, 2013
... to the test section via a Y-inlet. The fluid enters a meandering channel with four semicircular portions, each of which is lined with nine slanted grooves at the bottom surface. The main mixing channel is 3 mm wide and 0.75 mm deep, with a total length of 155.8 mm. Numerical simulations confirm rotation...