Computational fluid dynamics in turbomachinery: a review of state of the art

RN Pinto, A Afzal, LV D'Souza, Z Ansari… - … Methods in Engineering, 2017 - Springer
Computational fluid dynamics (CFD) plays an essential role to analyze fluid flows and heat
transfer situations by using numerical methods. Turbomachines involve internal and external …

A review on turbine trailing edge flow

C Sieverding, M Manna - International Journal of Turbomachinery …, 2020 - mdpi.com
The paper presents a state-of-the-art review of turbine trailing edge flows, both from an
experimental and numerical point of view. With the help of old and recent high-resolution …

Prestall behavior of a transonic axial compressor stage via time-accurate numerical simulation

JP Chen, MD Hathaway, GP Herrick - 2008 - asmedigitalcollection.asme.org
Computational fluid dynamics calculations using high-performance parallel computing were
conducted to simulate the prestall flow of a transonic compressor stage, NASA compressor …

High-fidelity numerical analysis of per-rev-type inlet distortion transfer in multistage fans—Part I: Simulations with selected blade rows

J Yao, SE Gorrell, AR Wadia - 2010 - asmedigitalcollection.asme.org
Demands for improved performance and operability of advanced propulsion systems require
an understanding of the physics of inlet flow distortion transfer and generation and the …

Analysis of unsteady tip and endwall heat transfer in a highly loaded transonic turbine stage

V Shyam, A Ameri, JP Chen - 2012 - asmedigitalcollection.asme.org
In a previous study, vane-rotor shock interactions and heat transfer on the rotor blade of a
highly loaded transonic turbine stage were simulated. The geometry consists of a high …

A review of the AFRL turbine research facility

RJ Anthony, JP Clark - … Power for Land, Sea, and Air, 2013 - asmedigitalcollection.asme.org
The Air Force Research Laboratory Turbine Research Facility is a transient blowdown
facility that allows simultaneous measurement of unsteady heat transfer and aerodynamics …

Investigation of flow instability mechanism causing compressor rotor-blade nonsynchronous vibration

H Im, G Zha - AIAA journal, 2014 - arc.aiaa.org
This paper investigates the aerodynamic excitation mechanism of the rotor-tip flow
instabilities leading to nonsynchronous vibration in a high-speed multistage axial …

Variable-speed power-turbine research at Glenn Research Center

GE Welch, AB McVetta, MA Stevens, SA Howard… - 2012 - ntrs.nasa.gov
The main rotors of the NASA Large Civil Tilt-Rotor (LCTR) notional vehicle operate over a
wide speed-range, from 100 percent at takeoff to 54 percent at cruise. The variable-speed …

A hybrid parallelization strategy of a cfd code for turbomachinery applications

M Giovannini, M Marconcini, A Arnone… - 11 th European …, 2015 - euroturbo.eu
This paper presents the serial optimization as well as the parallelization of the TRAF code, a
3D multi-row, multi-block CFD solver for the RANS/URANS equations. The serial …

Pre-stall behavior of a transonic axial compressor stage via time-accurate numerical simulation

JP Chen, MD Hathaway… - … Expo: Power for …, 2007 - asmedigitalcollection.asme.org
CFD calculations using high-performance parallel computing were conducted to simulate
the pre-stall flow of a transonic compressor stage, NASA compressor Stage 35. The …