吊舱环控TTC气浮涡轮冷却器高空试验研究  

Study on high altitude experimental of TTC air floating turbine cooler in Pod ECS

作　　者：绳春晨 刘磊磊 赵富荣 罗高乔[1,2] 万昌韦 Sheng Chunchen;Liu Leilei;Zhao Furong;Luo Gaoqiao;Wan Changwei(The 16th Institute of CETC,Hefei 230088,China;Anhui Province Key Laboratory of Cryogenics Technology,Hefei 230088,China)

机构地区：[1]中国电子科技集团第十六研究所,合肥230088 [2]低温技术安徽省重点实验室,合肥230088

出　　处：《低温与超导》2024年第10期85-90,98,共7页Cryogenics and Superconductivity

基　　金：安徽省工信厅制造业“揭榜挂帅”招才引智专项(JB21103)资助。

摘　　要：本文针对某型机载吊舱环控系统TTC(制冷涡轮-动力涡轮-压缩涡轮形式)涡轮冷却器的油污染、可靠性低等使用问题,采用箔片动压气浮轴承对涡轮冷却器进行升级,优化设计了涡轮冷却器的气动性能和启动特性,在地面状态下当引气压力达到8 kPa时即可实现涡轮冷却器启动运行。基于电子吊舱飞行工况条件对环控系统进行了高空负压模拟试验,试验结果表明采用气浮轴承支承的涡轮冷却器空气流量和制冷量随飞行马赫数增加而提升,装备了该涡轮冷却器的环控系统制冷量随飞行高度增加过程中存在极值点,与传统滚动轴承涡轮冷却器性能一致,表明搭载箔片动压气浮轴承的TTC涡轮冷却器能够满足机载工程化应用要求。Adopting air floating bearing to upgrade the TTC(cooling Turbine to power Turbine to Compressor type)turbine cooler and optimizing the aerodynamic performance and start-up characteristics of the turbine cooler were introduced in this paper,turbine cooler can start up and operate when its income pressure achieves 8 kPa on ground.A high-altitude negative pressure simulation test was conducted on the environmental control system(ECS)based on the flight conditions of the electronic pod.Experimental results indicate that cooling power and air flow increase with flight Mach number,environmental control system with such turbine cooler has maximum cooling power when flight altitude increases,which is in alignment with traditional turbine cooler with rolling bearing.The results show that the TTC turbine cooler equipped with air floating bearing can meet the requirements of airborne engineering applications.

关 键 词：机载 环控系统 气浮 涡轮冷却器 高空试验 

分 类 号：TB66[一般工业技术—制冷工程]