Fatigue Reliability Analysis of Aircraft Turbine Disc under Random Loads
Due to bad working conditions and complicated structure,kinds of complicated cycle loads work on turbine disc, and it＇s difficult to determine the stress distribution of their equivalent load.Based on the traditional stress-strength interference model and conditional reliability,the reliability mode...
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| Veröffentlicht in: | 东华大学学报（英文版） 2016-04, Vol.33 (2), p.319-322 |
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| container_title | 东华大学学报（英文版） |
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| creator | 张智胜 胡胜勇 谢朝阳 郭中泽 李火生 |
| description | Due to bad working conditions and complicated structure,kinds of complicated cycle loads work on turbine disc, and it＇s difficult to determine the stress distribution of their equivalent load.Based on the traditional stress-strength interference model and conditional reliability,the reliability models of turbine disc without the stress distribution are established in this paper. In the range of fatigue limit, by improving fatigue life curve, the relationship between turbine disc＇s life probability distribution and material GH4133B＇s is got,and so is the relationship between life and stress.Then,on the basis of test data of smooth material test-piece from references,the fatigue life probability distribution of material testpiece is found out,and then the fatigue life probability distribution of turbine disc is confirmed. The fatigue life probability distribution of turbine disc is taken into reliability model and the reliability of turbine is analyzed disc under random loads. And this analysis result confirms the variation trend of engine＇s reliability. |
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In the range of fatigue limit, by improving fatigue life curve, the relationship between turbine disc＇s life probability distribution and material GH4133B＇s is got,and so is the relationship between life and stress.Then,on the basis of test data of smooth material test-piece from references,the fatigue life probability distribution of material testpiece is found out,and then the fatigue life probability distribution of turbine disc is confirmed. The fatigue life probability distribution of turbine disc is taken into reliability model and the reliability of turbine is analyzed disc under random loads. And this analysis result confirms the variation trend of engine＇s reliability.</description><identifier>ISSN: 1672-5220</identifier><language>eng</language><publisher>Institute of System Engineering, China Academy of Engineering Physics, Mianyang 621900, China</publisher><ispartof>东华大学学报（英文版）, 2016-04, Vol.33 (2), p.319-322</ispartof><rights>Copyright © Wanfang Data Co. Ltd. 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In the range of fatigue limit, by improving fatigue life curve, the relationship between turbine disc＇s life probability distribution and material GH4133B＇s is got,and so is the relationship between life and stress.Then,on the basis of test data of smooth material test-piece from references,the fatigue life probability distribution of material testpiece is found out,and then the fatigue life probability distribution of turbine disc is confirmed. The fatigue life probability distribution of turbine disc is taken into reliability model and the reliability of turbine is analyzed disc under random loads. 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In the range of fatigue limit, by improving fatigue life curve, the relationship between turbine disc＇s life probability distribution and material GH4133B＇s is got,and so is the relationship between life and stress.Then,on the basis of test data of smooth material test-piece from references,the fatigue life probability distribution of material testpiece is found out,and then the fatigue life probability distribution of turbine disc is confirmed. The fatigue life probability distribution of turbine disc is taken into reliability model and the reliability of turbine is analyzed disc under random loads. And this analysis result confirms the variation trend of engine＇s reliability.</abstract><pub>Institute of System Engineering, China Academy of Engineering Physics, Mianyang 621900, China</pub><tpages>4</tpages></addata></record> |
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| ispartof | 东华大学学报（英文版）, 2016-04, Vol.33 (2), p.319-322 |
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| language | eng |
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| source | Alma/SFX Local Collection |
| title | Fatigue Reliability Analysis of Aircraft Turbine Disc under Random Loads |
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