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燃气涡轮静叶考虑叶型及冷却结构的气热耦合优化
  • ISSN号：0253-231X
  • 期刊名称：《工程热物理学报》
  • 时间：0
  • 分类：TK473[动力工程及工程热物理—动力机械及工程]
  • 作者机构：[1]哈尔滨工业大学能源科学与工程学院, [2]清华大学热能工程系
  • 相关基金：国家自然科学基金委创新研究群体(No.51121004)
作者： 罗磊[1], 迟重然[2], 卢少鹏[1], 王松涛[1], 王仲奇[1]
关键词： 气热耦合, 静叶, 叶型, 冷却结构, 优化
中文摘要：

为通过气热耦合优化计算改善叶片表面温度场,提高叶片气动效率,编制了气热耦合气动和冷却结构参数化方法程序及网格自动生成程序,采用该程序对燃气涡轮静叶进行了考虑叶型及冷却结构的气热耦合优化。优化结果表明:对叶型及冷却结构优化后,形成解集中气动效率分别提升0.3%和0.17%,主流流量仅变化0.116%和0.058%,高温函数降低38.55%、51.6%,叶片表面最大温度降低5.6 K、6.9 K,平均温度降低5 K、7 K。通过分析,前缘第一腔高温区雷诺数的增大以及第三腔低速回流区的减小是改善叶片温度场的主要因素;根中截面的型面压差的减小导致横向二次流损失的降低是减小气动损失的主要原因。

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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:21026