scholarly journals Propulsion Deceleration Studies using Planar Laser-Induced Iodine Fluorescence and Computation Fluid Dynamics

2011 ◽  
Author(s):  
James McDaniel ◽  
Josh Codoni ◽  
Erin Reed ◽  
Hicham Alkandry ◽  
Iain Boyd
Keyword(s):  
Fluid Dynamics ◽  
Computation Fluid Dynamics ◽  
Planar Laser

scholarly journals Identification of corner separation modelling in axial compressor stage

2020 ◽  
Vol 178 ◽  
pp. 01035
Author(s):  
Sergey A. Serkov ◽  
Viacheslav A. Sedunin ◽  
Vitalii L. Blinov ◽  
Oleg V. Komarov ◽  
Yurii M. Brodov
Keyword(s):  
Fluid Dynamics ◽  
Axial Compressor ◽  
Separated Flows ◽  
Operating Point ◽  
Compressor Stage ◽  
Main Interest ◽  
Corner Separation ◽  
Computation Fluid Dynamics ◽  
Operation Conditions

The paper presents a study of corner separations in hub to blade region at various operation conditions towards compressor stall. It is known that for compressor flows with low or none separations computation fluid dynamics with RANS methods work quite well, however, for highly separated flows they are no longer entirely valid. Therefore, several criteria were applied for prediction and quantification of possible corner separation, and the main interest of this work is in predicting the separation just before it will actually happen by certain flow metrics, so these metrics can be further used as a ‘pre-stall’ criteria whilst the RANS CFD operating point still behave within its appropriate limits. Also the effect of shear lean is discussed in the presented context.

Software Platform for Computation Fluid Dynamics Simulation of Mixing and Crystallization in a Stirred Vessel

2019 ◽  
Vol 20 (2) ◽  
pp. 1172-1185
Author(s):  
Dong-Hoon Oh ◽  
Rak-Young Jeon ◽  
Derrick Adams ◽  
Woo-Young Jung ◽  
Hong Min Shim ◽  
...  
Keyword(s):  
Fluid Dynamics ◽  
Dynamics Simulation ◽  
Software Platform ◽  
Stirred Vessel ◽  
Computation Fluid Dynamics

Planar Imaging of Vortex Dynamics in Flames

1989 ◽  
Vol 111 (1) ◽  
pp. 148-155 ◽  
Author(s):  
E. Gutmark ◽  
T. P. Parr ◽  
D. M. Parr ◽  
K. C. Schadow
Keyword(s):  
Fluid Dynamics ◽  
Shear Layer ◽  
Large Scale ◽  
Combustion Process ◽  
Oh Radical ◽  
Planar Imaging ◽  
Reaction Parameters ◽  
Large Scale Structures ◽  
Planar Laser ◽  
Scale Structures

The interaction between the fluid dynamics and the combustion process in an annular diffusion flame was studied experimentally using the Planar Laser Induced Fluorescence (PLIF) technique. The local temperature and OH radical fluorescence signals were mapped in the entire flame cross section. The flame was forced at different instability frequencies, thus enabling the study of the evolution and interaction of large-scale structures in the flame shear layer. The present study of the effect of fluid dynamics on combustion is part of a more comprehensive program aimed at understanding and controlling the effect of heat release, density variations, and reaction parameters on the shear layer evolution.

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