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Keywords: optimization
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2022, 144(1): 011503.
Paper No: FE-20-1718
Published Online: September 15, 2021
... centers, and often unrealistic for real-time thermal analyses. In addition, it is prohibitive to use CFD for the optimization process where thousands of designs need to be generated. Floor tile airflow distribution control is a key technique for maintaining a sufficient cold air delivery to variable...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2020, 142(3): 031111.
Paper No: FE-19-1650
Published Online: February 4, 2020
... using computational fluid dynamics (CFD)-based modeling simulations, four critical design parameters including the vortex tube radius and length, barrel radius, and the inlet width and height were optimized. NETL's open source multiphase flow with interphase exchange (MFiX) CFD code has been used...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2020, 142(2): 021206.
Paper No: FE-19-1407
Published Online: October 30, 2019
...M. Tadjfar; Dj. Kamari An optimization study was conducted to find the optimum operational characteristics of a synthetic jet actuator (SJA) to postpone the static stall separation over an SD7003 airfoil at Reynolds number of 60,000. A genetic algorithm (GA) coupled with an artificial neural...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. June 2015, 137(6): 061202.
Paper No: FE-14-1039
Published Online: June 1, 2015
...Eysteinn Helgason; Siniša Krajnović adjoint method sensitivity analysis arbitrary Lagrangian–Eulerian method Navier–Stokes optimization total pressure drop ducted flow finite volume method The adjoint method has a history in optimal control theory dating back to the 1950s and has...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. January 2014, 136(1): 014501.
Paper No: FE-13-1312
Published Online: October 15, 2013
... 05 2013 01 09 2013 For pump–turbine optimization finding a set of optimal trade-offs called Pareto front between various hydraulic performances is concerning. So a multiobjective genetic algorithm was used here. A general multiobjective optimization problem can be described as a vector...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2013, 135(7): 071105.
Paper No: FE-12-1353
Published Online: May 23, 2013
.... pump turbine hydraulic design optimization Pump turbines utilize excessive energy that is available in electrical grids for pump mode operation and then produce peak energy in turbine mode at times of high demand, making them competitive in today's deregulated electricity market. According...
Journal Articles
Article Type: Flows In Complex Systems
J. Fluids Eng. April 2012, 134(4): 041101.
Published Online: March 27, 2012
...Jingchun Wu; James F. Antaki; Josiah Verkaik; Shaun Snyder; Michael Ricci Computational fluid dynamics (CFD)-based design optimization was applied to achieve the finalized design of the PediaFlow ® PF4, a magnetically levitated rotodynamic pediatric ventricular assist device. It features...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. July 2010, 132(7): 074502.
Published Online: July 22, 2010
.... In the research, the valve plate geometry can be optimized by some analytical limitations to prevent the piston pressure below the vapor pressure. The limitations provide the design guide of the timings and overlap areas between valve plate ports and barrel kidneys to consider the cavitations and aerations...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. July 2008, 130(7): 074504.
Published Online: July 22, 2008
...Wen-Guang Li The two-step method for optimizing net positive suction head required (NPSHr) of axial-flow pumps is proposed in this paper. First, the NPSHr at the impeller tip is optimized with impeller diameter based on experimental data of 2D cascades in available wind tunnels...
Journal Articles
Article Type: Technical Papers
J. Fluids Eng. July 2006, 128(4): 847–855.
Published Online: November 16, 2005
... considering the problem of the computation of the corrections needed to recover equivalent free-flight conditions from wind-tunnel experiments. Using the surface response approach, optimal corrected values of the freestream Mach number and the angle of attack for the compressible turbulent flow around the RAE...