... for the design sensitivity study. Manuscript received November 7, 2017; final manuscript received November 22, 2017; published online April 6, 2018. Editor: Kenneth Hall. 07 11 2017 22 11 2017 Centrifugal compressors Centrifugal pumps Due to attractive characteristics...

... dynamics Fan Turbomachinery blading Turbine aerodynamic design Compressor Centrifugal pumps Design Numerical optimization methods are set to become the state-of-the-art design technique for centrifugal compressors. Their greatest merit is the automated geometry modification process. Nowadays...

... 07 11 2017 Boundary layer development Centrifugal compressors Computational fluid dynamics Centrifugal pumps The ever-increasing demand to reduce greenhouse gas emissions and improve energy efficiency requires more efficient energy conversion. Even though turbomachinery has...

.... Gorrell. 14 07 2016 04 12 2017 Centrifugal compressors Design Centrifugal pumps Turbomachinery blading High pressure ratio centrifugal compressors have been widely used in turbochargers and turboshaft engines because of their compact size, high efficiency, and wide...

... of high-pressure-ratio turbochargers. Aeromechanical instabilities Centrifugal compressors Computational fluid dynamics Fan Turbomachinery blading Design Compressor Turbine aerodynamic design Centrifugal pumps Copyright © 2018 by ASME 2018 0889-504X/2018/140(4)/041007/13/ $25.00 ...

...; published online October 31, 2017. Editor: Kenneth Hall. 12 09 2017 03 10 2017 Centrifugal compressors Computational fluid dynamics Compressor stall Surge Centrifugal pumps Operability One of the main challenges in the design of the centrifugal compressor stage of an engine...

... in the J OURNAL OF T URBOMACHINERY . Manuscript received September 21, 2017; final manuscript received September 28, 2017; published online October 31, 2017. Editor: Kenneth Hall. 21 09 2017 28 09 2017 Centrifugal compressors Design Centrifugal pumps Turbomachinery blading...

..., 2017. Editor: Kenneth Hall. 05 09 2017 19 09 2017 Centrifugal compressors Computational fluid dynamics Fan Turbomachinery blading Turbine aerodynamic design Compressor Centrifugal pumps Design As the concept of engine downsizing in the automotive sector continues...

... URBOMACHINERY . Manuscript received January 24, 2017; final manuscript received February 22, 2017; published online May 9, 2017. Editor: Kenneth Hall. 24 01 2017 22 02 2017 Centrifugal compressors Fan Turbomachinery blading Compressor Turbine aerodynamic design Centrifugal pumps...

... stall Surge Centrifugal pumps Operability 13 11 2016 20 12 2016 Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J OURNAL OF T URBOMACHINERY . Manuscript received November 13, 2016; final manuscript received December 20, 2016...

... leaking flows on performance Turbomachinery blading Turbine aerodynamic design Compressor Centrifugal pumps Design The relentless demand for improvements in gas turbine engine-specific fuel consumption and more stringent emission targets mean that modern compressor stages are required...

... Computational fluid dynamics Impact on cavity leaking flows on performance Leaking flows Centrifugal pumps Cavities are small extensions of the flowpath. They have an influence on the performance, often non-negligible, but investigations on cavities have mainly been conducted on axial machines...

...; published online February 1, 2017. Editor: Kenneth Hall. 11 07 2016 20 10 2016 Centrifugal compressors Centrifugal pumps Centrifugal compressors require a wide operating range in addition to high efficiency. When the impeller discharge velocity is transonic, effective pressure...

.... 011012 . 10.1115/1.4023471 Centrifugal compressors Computational fluid dynamics Fan Turbine aerodynamic design Compressor Centrifugal pumps Modern high pressure ratio centrifugal compressors typically utilize a high-speed impeller with backswept blades and a vaned diffuser. As part...

... 12 10 2016 Centrifugal compressors Fan Compressor stall Surge Compressor Turbine aerodynamic design Centrifugal pumps Operability There are two fundamental requirements original equipment manufacturers (OEMs) of centrifugal compression systems face to compliment...

... URBOMACHINERY . Manuscript received June 20, 2016; final manuscript received July 26, 2016; published online September 20, 2016. Editor: Kenneth Hall. 20 06 2016 26 07 2016 Centrifugal compressors Fan Compressor Turbine aerodynamic design Centrifugal pumps Return channel...

.... Surge Operability Computational fluid dynamics Centrifugal compressors Compressor stall Centrifugal pumps 03 09 2015 14 04 2016 Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J OURNAL OF T URBOMACHINERY . Manuscript received...

... Corresponding author. Manuscript received May 12, 2015; final manuscript received March 8, 2016; published online May 17, 2016. Assoc. Editor: Stephen W. T. Spence. 12 05 2015 08 03 2016 Centrifugal compressors Computational fluid dynamics Centrifugal pumps The present study...

... Compressor stall Surge Centrifugal pumps Operability Centrifugal blowers and compressors are widely used for gas compression in various industrial fields. Higher efficiency and a wider operating range are required in these machines. The operating range of these machines is strongly affected...

... observations. Centrifugal compressors Compressor stall Surge Centrifugal pumps Operability The total-to-static pressure ratio PR c,ts versus mass flow rate m ˙ c characteristics of centrifugal compressors are typically continuous, for a fixed rotational speed. Where...