燃气轮机气动热力相关部分问题研究.pdfVIP

第35 卷 第2 期 热力透 平 Vol1 35 No1 2 2006 年6 月 THERMALTURBINE June 2006 燃气轮机气动热力相关部分问题研究 袁 新 (清华大学热能工程系热科学与动力工程教育部重点实验室, 北京 100084) : 简要综述了本研究 近年来在燃气轮机气动热力相关方面的研究工作进展, 包括多级轴流压气机 整机全工况特性的数值分析, 多级轴流压气机间隙流动对性能的影响分析; 燃气透平冷却叶片的气动分析方 法着重描述了叶轮机械叶片三维粘性气动优化设计系统及其实用状况展现了在我国燃气轮机产业的消 化吸收与自主研发中发挥作用的可能性,展望了本研究 的长远研究目标 : 燃气轮机; 压气机;透平叶片; 气动优化; 气膜冷却 : TK471 : A : 1672- 5549( 2006)02- 0065- 09 Research of Some Aerothermodynamic Problems Relative to Gas Turbine YUA N X in (Key Laboratory for Thermal Science and ower Engineering of Ministry of Education, Department of Thermal Engineering, Tsinghua University, Beijing 100084, China) Abstract: This paper su arizes the present research progress about aerother odyna ic proble s concerning gas turbine in our research group during therecent years1 T he current state of progress is illustrated, including the prediction of overall perfor ance of ultistage axial co pressor, the analysis of leakage and seal flow in ultistage axial co pressor and the develop ent of nu erical si ulation technique on the fil cooling effectiveness for gas turbineblade1 This paper ainlyfocuses on the advanced aerother odyna ic opti izationsyste for turbo achinery and its practical applications1 All the discussions indicate thepracticability of our achieve ent in the i itational and self-reliance design process of China. s gas turbine industry1 The paper looks ahead the future research goal of our research group1 Key words: gas turbine; co pressor; turbine blade; aerother odyna ic opti ization; fil cooling 0