Throughflow calculations are still an inevitable step in the aerodynamic design of compressors. The viscous throughflow model derived from Navier-Stokes equations can be more capable in predicting choked flow and capturing shock waves compared to the traditional methods. In this paper, authors further developed the inviscid model for a previously developed throughflow analysis method. To obtain the governing equations, three-dimensional Navier-Stokes equations combined with the Spalart-Allmaras turbulence model were circumferentially averaged with the assumption that the flow was circumferentially uniform. A viscous blade force and an inviscid blade force had been calculated. The Miller's correlations of deviation angle and loss were incorporated to model these forces. The governing equations are discretized by an explicit four-step Runge-Kutta scheme and solved by a time-marching finite volume method. Current model was verified through predicting the performances of a 1.5 stage fan. The agreements between the experiments and calculations are reasonably good. This throughflow model can predict quite similar flow patterns and radial profiles of some parameters compared to a CFD software, which shows the potential of this model. There are still some notable deviations between the results from throughflow analysis and that from CFD calculation. Future work is to improve the prediction of deviation angle and loss near the endwall regions.
| Published in |
International Journal of Fluid Mechanics & Thermal Sciences (Volume 6, Issue 3)
This article belongs to the Special Issue Fluid Mechanics & Thermal Sciences in Turbomachines |
| DOI | 10.11648/j.ijfmts.20200603.13 |
| Page(s) | 89-94 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
Throughflow Model, Viscous, Compressor, Analysis, Application
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APA Style
Hailiang Jin, Daobin Qiu, Yueqian Yin. (2020). A Novel Viscous Throughflow Model for Compressor Analysis and Its Application. International Journal of Fluid Mechanics & Thermal Sciences, 6(3), 89-94. https://doi.org/10.11648/j.ijfmts.20200603.13
ACS Style
Hailiang Jin; Daobin Qiu; Yueqian Yin. A Novel Viscous Throughflow Model for Compressor Analysis and Its Application. Int. J. Fluid Mech. Therm. Sci. 2020, 6(3), 89-94. doi: 10.11648/j.ijfmts.20200603.13
AMA Style
Hailiang Jin, Daobin Qiu, Yueqian Yin. A Novel Viscous Throughflow Model for Compressor Analysis and Its Application. Int J Fluid Mech Therm Sci. 2020;6(3):89-94. doi: 10.11648/j.ijfmts.20200603.13
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Download@article{10.11648/j.ijfmts.20200603.13,
author = {Hailiang Jin and Daobin Qiu and Yueqian Yin},
title = {A Novel Viscous Throughflow Model for Compressor Analysis and Its Application},
journal = {International Journal of Fluid Mechanics & Thermal Sciences},
volume = {6},
number = {3},
pages = {89-94},
doi = {10.11648/j.ijfmts.20200603.13},
url = {https://doi.org/10.11648/j.ijfmts.20200603.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijfmts.20200603.13},
abstract = {Throughflow calculations are still an inevitable step in the aerodynamic design of compressors. The viscous throughflow model derived from Navier-Stokes equations can be more capable in predicting choked flow and capturing shock waves compared to the traditional methods. In this paper, authors further developed the inviscid model for a previously developed throughflow analysis method. To obtain the governing equations, three-dimensional Navier-Stokes equations combined with the Spalart-Allmaras turbulence model were circumferentially averaged with the assumption that the flow was circumferentially uniform. A viscous blade force and an inviscid blade force had been calculated. The Miller's correlations of deviation angle and loss were incorporated to model these forces. The governing equations are discretized by an explicit four-step Runge-Kutta scheme and solved by a time-marching finite volume method. Current model was verified through predicting the performances of a 1.5 stage fan. The agreements between the experiments and calculations are reasonably good. This throughflow model can predict quite similar flow patterns and radial profiles of some parameters compared to a CFD software, which shows the potential of this model. There are still some notable deviations between the results from throughflow analysis and that from CFD calculation. Future work is to improve the prediction of deviation angle and loss near the endwall regions.},
year = {2020}
}
TY - JOUR T1 - A Novel Viscous Throughflow Model for Compressor Analysis and Its Application AU - Hailiang Jin AU - Daobin Qiu AU - Yueqian Yin Y1 - 2020/09/07 PY - 2020 N1 - https://doi.org/10.11648/j.ijfmts.20200603.13 DO - 10.11648/j.ijfmts.20200603.13 T2 - International Journal of Fluid Mechanics & Thermal Sciences JF - International Journal of Fluid Mechanics & Thermal Sciences JO - International Journal of Fluid Mechanics & Thermal Sciences SP - 89 EP - 94 PB - Science Publishing Group SN - 2469-8113 UR - https://doi.org/10.11648/j.ijfmts.20200603.13 AB - Throughflow calculations are still an inevitable step in the aerodynamic design of compressors. The viscous throughflow model derived from Navier-Stokes equations can be more capable in predicting choked flow and capturing shock waves compared to the traditional methods. In this paper, authors further developed the inviscid model for a previously developed throughflow analysis method. To obtain the governing equations, three-dimensional Navier-Stokes equations combined with the Spalart-Allmaras turbulence model were circumferentially averaged with the assumption that the flow was circumferentially uniform. A viscous blade force and an inviscid blade force had been calculated. The Miller's correlations of deviation angle and loss were incorporated to model these forces. The governing equations are discretized by an explicit four-step Runge-Kutta scheme and solved by a time-marching finite volume method. Current model was verified through predicting the performances of a 1.5 stage fan. The agreements between the experiments and calculations are reasonably good. This throughflow model can predict quite similar flow patterns and radial profiles of some parameters compared to a CFD software, which shows the potential of this model. There are still some notable deviations between the results from throughflow analysis and that from CFD calculation. Future work is to improve the prediction of deviation angle and loss near the endwall regions. VL - 6 IS - 3 ER -
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