... a guideline for the future S-CO 2 compressor designers. 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...

... 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...

... process. Centrifugal compressors Design Centrifugal pumps Turbomachinery blading Copyright © 2018 by ASME 2018 0889-504X/2018/140(5)/051001/10/ $25.00 ...

... received November 7, 2017; published online February 27, 2018. Editor: Kenneth Hall. 21 10 2017 07 11 2017 Boundary layer development Centrifugal compressors Computational fluid dynamics Centrifugal pumps The ever-increasing demand to reduce greenhouse gas emissions...

... of high-pressure-ratio turbochargers. Aeromechanical instabilities Centrifugal compressors Computational fluid dynamics Fan Turbomachinery blading Design Compressor Turbine aerodynamic design Centrifugal pumps Subscripts ave = averaged value max = maximum value min...

...; 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...

... blading Turbine aerodynamic design Compressor Centrifugal pumps Design As the concept of engine downsizing in the automotive sector continues to gather strength, off-design operation of the turbocharger compressor is becoming more important as a means of achieving the required performance...

... Centrifugal compressors Fan Turbomachinery blading Compressor Turbine aerodynamic design Centrifugal pumps Design Centrifugal compressors are used in many technical fields, for instance, in small gas turbines, turbochargers, process and chemical engineering, aviation, etc. In most fields...

... 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...

... compressors Computational fluid dynamics Fan Impact on cavity 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...

..., 2016; published online March 7, 2017. Editor: Kenneth Hall. 08 09 2016 07 12 2016 Cavity flows Centrifugal compressors Computational fluid dynamics Impact on cavity leaking flows on performance Leaking flows Centrifugal pumps Cavities are small extensions...

... systematically, throat areas must be intentionally controlled. Vaned diffuser heights and vane leading edge positions should be carefully managed as they change diffuser inlet conditions. Centrifugal compressors Centrifugal pumps 11 07 2016 20 10 2016 Contributed...

... 09 2016 11 10 2016 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...

...://middleeastturbo.tamu.edu/images/files/prog/proc/mets11/Lecture_11.pdf . 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...

... September 20, 2016. Editor: Kenneth Hall. 20 06 2016 26 07 2016 Centrifugal compressors Fan Compressor Turbine aerodynamic design Centrifugal pumps Return channel centrifugal stages are widely used in multistage-single shaft compressors within the process industry...

... 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 September 3, 2015; final manuscript received April 14, 2016; published online June 1...

... at the time of writing. Centrifugal compressors Computational fluid dynamics Centrifugal pumps 12 05 2015 08 03 2016 Manuscript received May 12, 2015; final manuscript received March 8, 2016; published online May 17, 2016. Assoc. Editor: Stephen W. T. Spence. 1...

... received March 17, 2016; published online May 10, 2016. Editor: Kenneth C. Hall. 30 01 2016 17 03 2016 Centrifugal compressors Compressor stall Surge Centrifugal pumps Operability Centrifugal blowers and compressors are widely used for gas compression in various industrial...

... 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 the slope d P R c , ts / d m...