Advanced multiple response surface method of sensitivity analysis for turbine blisk reliability with

来源 :Chinese Journal of Aeronautics | 被引量 : 0次 | 上传用户:gmzz2009
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
To reasonably implement the reliability analysis and describe the significance of influencing parameters for the multi-failure modes of turbine blisk, advanced multiple response surface method(AMRSM) was proposed for multi-failure mode sensitivity analysis for reliability. The mathematical model of AMRSM was established and the basic principle of multi-failure mode sensitivity analysis for reliability with AMRSM was given. The important parameters of turbine blisk failures are obtained by the multi-failure mode sensitivity analysis of turbine blisk. Through the reliability sensitivity analyses of multiple failure modes(deformation, stress and strain) with the proposed method considering fluid–thermal–solid interaction, it is shown that the comprehensive reliability of turbine blisk is 0.9931 when the allowable deformation, stress and strain are3.7*10~(-3)m, 1.0023*10~9 Pa and 1.05*10~(-2)m/m, respectively; the main impact factors of turbine blisk failure are gas velocity, gas temperature and rotational speed. As demonstrated in the comparison of methods(Monte Carlo(MC) method, traditional response surface method(RSM), multiple response surface method(MRSM) and AMRSM), the proposed AMRSM improves computational efficiency with acceptable computational accuracy. The efforts of this study provide the AMRSM with high precision and efficiency for multi-failure mode reliability analysis, and offer a useful insight for the reliability optimization design of multi-failure mode structure. To reasonably implement the reliability analysis and describe the significance of influencing parameters for the multi-failure modes of a turbine blisk, advanced multiple response surface method (AMRSM) was proposed for multi-failure mode sensitivity analysis for reliability. The mathematical model of AMRSM was established and the basic principle of multi-failure mode sensitivity analysis for reliability with AMRSM was given. The important parameters of turbine blisk failures are obtained by the multi-failure mode sensitivity analysis of a turbine blisk. Through the reliability sensitivity analyzes of multiple failure modes (deformation , stress and strain) with the proposed method considering fluid-thermal-solid interaction, it is shown that the comprehensive reliability of the turbine blisk is 0.9931 when the allowable deformation, stress and strain are 3.7 * 10 ~ (-3) m, 1.0023 * 10 ~ 9 Pa and 1.05 * 10 ~ (-2) m / m, respectively; the main impact factors of turbine blisk failure are gas velocity, gas tempe As demonstrated in the comparison of methods (Monte Carlo (MC) method, traditional response surface method (RSM), multiple response surface method (MRSM) and AMRSM), the proposed AMRSM improves computational efficiency with acceptable computational accuracy. The efforts of this study provide the AMRSM with high precision and efficiency for multi-failure mode reliability analysis, and offer a useful insight for the reliability optimization design of multi-failure mode structure.
其他文献
2006年9月,中国金融期货交易所正式成立,同年10月,以沪深300为标的的股指期货仿真交易相继推出。   沪深300指数一经问世,市场上对它作为我国股指期货的首个标的物是否合
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
期刊
房地产又称不动产,国外通常称为real estate或real property,是指房屋和土地两种财产的合称。当前,中国经济增长速度较快,人们生活也日渐富裕,我国的国内生产总值在近十年内,
任教24年,一直担任小学语文教学和班主任工作,注重班风学风建设,思想上关心学生,感情上亲近学生,生活上关怀学生,对于学生来说,老师的爱无处不在.
在我国地方医疗单位中,有许多优秀的心血管病防治工作者,他们在岗位上努力工作,做出了出色的成绩,广东南海人民医院心内科主任黄景文就是其中的一位!黄景文主任从医科大学毕
高职院校医学生实习过程中因为脱离了学校的直接监管,加上父母和学生的沟通交流及监管不到位,致使学生在实习期间容易出现一些管理方面的问题,笔者针对这一现象做了大量的调
腐败大案频出,腐败高官纷纷落马。广东是越反越腐,还是反腐败越抓越紧?  创新反腐机制制度,吸纳民意开门反腐,媒体舆论监督反腐败……“反腐书记”汪洋主政下的广东,使出了反腐败的十八般武器。  不光要做改革开放的排头兵,广东还要做反腐败的排头兵。
目的识别大连某机床生产企业作业场所存在的职业病危害因素,分析职业病危害因素的危害程度及产生原因,对用人单位职业病危害控制效果做出综合评价。方法本次现状评价采用职业
使用喷气织机是由于其优越的高生产率,但另一方面,供应大量压缩空气的费用很高。在亚琛工业大学纺织技术研究所"喷气织造的能源节省"的研究项目(AiF-no.15599N)中,对引纬运动中的
《国语》,我们一般会把它归入“国别体”史书一类,其实它更重要的特点不在“国”而在“语”,即“记言”.书中记载了许多历史人物的言论,本篇所记臧文仲之言就堪称精彩.rn鲁国
期刊