基于流固耦合的涡轮增压器涡轮机温度场分析
PDF下载 (1738)石永康,陈振雷,王 勇,刘攀勇.基于流固耦合的涡轮增压器涡轮机温度场分析[J].宁波大学学报(理工版),2021,34(3):7-12.DOI:
SHI Yongkang,CHEN Zhenlei,WANG Yong,LIU Panyong.Analysis of turbocharger turbine temperature field based onfluid-structure coupling[J].Journal of Ningbo University(Natural Science & Engineering Edition),2021,34(3):7-12.DOI:
| Title: | Analysis of turbocharger turbine temperature field based onfluid-structure coupling |
| 作者: | 石永康, 陈振雷, 王 勇, 刘攀勇 |
| Author(s): | SHI Yongkang, CHEN Zhenlei, WANG Yong, LIU Panyong |
| 关键词: | 涡轮机; 温度场分布; 全域流固耦合 |
| Keywords: | turbine; temperature field distribution; global fluid-structure coupling |
| 分类号: | TK422 |
| 文献标识码: | A |
| 摘要: | 针对某型号涡轮增压器涡轮机零部件温度过高, 存在可能开裂问题, 建立了工作状态下全域流固耦合数值计算模型, 分析了涡轮增压器涡轮机各零部件的温度变化特征, 并与传统模型和实验测试结果进行对比. 结果表明, 全域流固耦合模型避免了传统模型中流体和固体交界面上的大量假设数据输入, 使计算结果更加接近实际情况. 通过和实验测试值对比发现, 全域流固耦合模型得到的涡轮机温度场精度比传统模型得到的结果更合理、准确, 从而验证了全域流固耦合模型的可靠性与准确性. |
| Abstract: | Aiming at the problem of excessive temperature and possible cracking of a certain type of turbocharger turbine components, a global fluid-solid coupling numerical model under working conditions was established, and the temperature change characteristics of each component of the turbocharger turbine were analyzed. The model and experimental test results were compared and analyzed. The global fluid-structure coupling model method avoids the input of a large number of hypothetical data on the interface between fluid and solid in the traditional model, and makes the calculation results closer to the actual situation. Through comparison with experimental test, the accuracy of the turbine temperature field obtained by the global fluid-structure coupling model is more reasonable and accurate than that of the traditional model, thus verifying the reliability and accuracy of the global fluid-structure coupling model. |
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| 备注/Memo: | 收稿日期:2020-10-26.宁波大学学报（理工版）网址:http://journallg.nbu.edu.cn/ 基金项目:国家自然科学基金（51909124）;浙江省大学生科技创新活动计划（2020R405077）;宁波大学SRIP项目（2020SRIP1707）. 第一作者:石永康（1997－）,男,浙江嘉兴人,在读硕士研究生,主要研究方向:流体与动力机械结构仿真.E-mail:syk2025@163.com *通信作者:陈振雷（1963－）,男,浙江宁波人,博士/教授,主要研究方向:高端制造仿真分析与试验测试.E-mail:chenzhenlei@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
