Effect of surface roughness on the aerodynamic performance of turbine blade cascade
The effect of surface roughness on the boundary development and loss behavior of turbine blades is investigated with different Reynolds numbers in this paper. The result shows that the velocity profile in boundary layer is plumper on rough surface than on smooth blade. The aerodynamic loss is lowere...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2014-06-01
|
| Series: | Propulsion and Power Research |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2212540X14000194 |
| id |
doaj-4f7935ebcbee4a5d9c0927632134d231 |
|---|---|
| record_format |
Article |
| spelling |
doaj-4f7935ebcbee4a5d9c0927632134d2312020-11-24T20:54:16ZengElsevierPropulsion and Power Research2212-540X2014-06-0132828910.1016/j.jppr.2014.05.001Effect of surface roughness on the aerodynamic performance of turbine blade cascadeTao BaiJingyuan LiuWeihao ZhangZhengping ZouThe effect of surface roughness on the boundary development and loss behavior of turbine blades is investigated with different Reynolds numbers in this paper. The result shows that the velocity profile in boundary layer is plumper on rough surface than on smooth blade. The aerodynamic loss is lowered at low Reynolds number, but becomes significantly large at high Reynolds number. The total pressure loss coefficient of cascade can reach a top increase of 129% for rougher blades comparing with smooth blades at Re=300000.http://www.sciencedirect.com/science/article/pii/S2212540X14000194Turbine bladeSurface roughnessBoundary layerReynolds numberAerodynamic loss |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Tao Bai Jingyuan Liu Weihao Zhang Zhengping Zou |
| spellingShingle |
Tao Bai Jingyuan Liu Weihao Zhang Zhengping Zou Effect of surface roughness on the aerodynamic performance of turbine blade cascade Propulsion and Power Research Turbine blade Surface roughness Boundary layer Reynolds number Aerodynamic loss |
| author_facet |
Tao Bai Jingyuan Liu Weihao Zhang Zhengping Zou |
| author_sort |
Tao Bai |
| title |
Effect of surface roughness on the aerodynamic performance of turbine blade cascade |
| title_short |
Effect of surface roughness on the aerodynamic performance of turbine blade cascade |
| title_full |
Effect of surface roughness on the aerodynamic performance of turbine blade cascade |
| title_fullStr |
Effect of surface roughness on the aerodynamic performance of turbine blade cascade |
| title_full_unstemmed |
Effect of surface roughness on the aerodynamic performance of turbine blade cascade |
| title_sort |
effect of surface roughness on the aerodynamic performance of turbine blade cascade |
| publisher |
Elsevier |
| series |
Propulsion and Power Research |
| issn |
2212-540X |
| publishDate |
2014-06-01 |
| description |
The effect of surface roughness on the boundary development and loss behavior of turbine blades is investigated with different Reynolds numbers in this paper. The result shows that the velocity profile in boundary layer is plumper on rough surface than on smooth blade. The aerodynamic loss is lowered at low Reynolds number, but becomes significantly large at high Reynolds number. The total pressure loss coefficient of cascade can reach a top increase of 129% for rougher blades comparing with smooth blades at Re=300000. |
| topic |
Turbine blade Surface roughness Boundary layer Reynolds number Aerodynamic loss |
| url |
http://www.sciencedirect.com/science/article/pii/S2212540X14000194 |
| work_keys_str_mv |
AT taobai effectofsurfaceroughnessontheaerodynamicperformanceofturbinebladecascade AT jingyuanliu effectofsurfaceroughnessontheaerodynamicperformanceofturbinebladecascade AT weihaozhang effectofsurfaceroughnessontheaerodynamicperformanceofturbinebladecascade AT zhengpingzou effectofsurfaceroughnessontheaerodynamicperformanceofturbinebladecascade |
| _version_ |
1716795130483048448 |