... manuscript received Oct. 23, 2002. Associate Editor: B. Schiavello. 24 July 2000 23 Oct 2002 27 03 2003 turbines performance evaluation flow simulation Navier-Stokes equations aerodynamics computational fluid dynamics The two-dimensional analysis of turbomachinery...

...; revised manuscript received Sept. 17, 2002. Associate Editor: Y. Tsujimoto. 29 May 2001 17 Sept 2002 27 03 2003 cavitation rotors performance evaluation design engineering flow control The inducer is generally placed upstream of a centrifugal or mixed flow impeller...

... 01 2003 mixing shock waves compressible flow minimum entropy methods irreversible thermodynamics performance evaluation Ejectors have a wide range of applications, 1 2 , but the process is basically the same in every case: a high-pressure fluid (the primary stream) transfers...

... ENGINEERING . Manuscript received by the Fluids Engineering Division Jan. 23, 2001; revised manuscript received May 29, 2002. Associate Editor: A. K. Prasad. 23 Jan 2001 29 May 2002 22 01 2003 electrohydraulic control equipment servomechanisms performance evaluation valves...

... in the literature is fairly limited and it is still difficult to find any reliable correlation or procedure for calculating head reduction factor over a wide range of physical properties of solids and operating conditions. pumps performance evaluation two-phase flow 16 July 2001 29 July...

... stators velocity measurement performance evaluation The design of pumps is mainly based on steady flow assumptions in runner, vaneless, and vaned diffusers. This kind of approach is suitable for design operating conditions of classical turbomachinery geometries. However, to understand and take...

... of CFD. In particular, simplified analyses are used that would be more useful for smaller companies having fewer R & D resources. valves computational fluid dynamics performance evaluation design engineering flow visualisation flow control 01 June 2001 03 April 2002 19...

... field, and that the actual valve flow field is predominantly two-dimensional at some percent openings but not at all percent openings. In an effort to investigate these implications further, experimental testing was undertaken in part two of the paper. valves performance evaluation design...

... by the Fluids Engineering Division March 27, 2001; revised manuscript received October 16, 2001. Associate Editor: Y. Tsujimoto. 27 March 2001 16 October 2001 28 05 2002 pumps performance evaluation computational fluid dynamics multiphase flow Navier-Stokes equations cavitation...

.... Associate Editor: B. Schiavello. 21 April 2000 26 November 2001 28 05 2002 pumps performance evaluation viscosity turbines rotational flow Many researchers, such as Daugherty 1 , Stepanoff 2 , Telow 3 , Ippen 4 , Itaya and Nishikawa 5 , tested the performance...

... the suitability of the incompressible Reynolds-averaged Navier-Stokes (RANS) formulation in modeling the vortex shedding experienced by lifting sections with blunt, sharp edged features. In particular, whether under-converged steady state calculations could be used for section design performance evaluation...

... rotors ventilation performance evaluation aerodynamics design engineering In recent years, much research effort has been concerned with the study of the unsteadiness generated in axial flow turbomachinery. Some researchers have shown encouraging results and provided useful data for further...

... simulation turbulence rotors performance evaluation Mini Turbo-pump Impeller Geometry Performance Tip Clearance Numerical Analysis In recent years, due to the global environmental problems, it is essential to promote effective and efficient usage of energy and to develop mini...

...; revised manuscript received April 17, 2001. Associate Editor: Yi Tsujimoto. 02 February 1000 17 April 2001 compressors rotors computational fluid dynamics vortices performance evaluation A single-stage centrifugal compressor consists of impeller, diffuser (vaned...

..., 1999; revised manuscript received January 31, 2001. Associate Editor: B. Schiavello. 07 September 1999 31 January 2001 pumps performance evaluation soil multiphase flow particle size Centrifugal slurry pumps are being used extensively for pipeline transportation systems...

... boundary layers performance evaluation Coriolis force Over the past few years, there is a tendency toward the development of numerical methods based on the Navier-Stokes equations with turbulence models, in order to account for viscous effects like wakes, boundary layers, secondary flow...

... is present. So the torque of the turbine runner is equal to that of the pump, see Formanski 1 . pumps design engineering performance evaluation flow control 04 December 1998 10 July 2000 Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS...

... ENGINEERING . Manuscript received by the Fluids Engineering Division December 4, 1998; revised manuscript received July 10, 2000. Associate Technical Editor: M. Dhavbhadel. 04 December 1998 10 July 2000 pumps flow simulation performance evaluation design engineering flow control...