Status of a specialized boundary layer transition detection system for use in the U.S. National Transonic Facility

Status of a specialized boundary layer transition detection system for use in the U.S. National Transonic Facility
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美国国家跨音速设施专用边界层转变探测系统的现状

DOI：
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发表时间：
1987
期刊：
影响因子：
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通讯作者：
Sang Q. Tran
Sang Q. Tran
中科院分区：
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文献类型：
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作者：
C. B. Johnson;D. Carraway;P. Hopson;Sang Q. Tran

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报道了一种用于低温风洞转捩探测的低温热膜沉积技术的改进。在低速风洞中进行的热膜试验证明了获得在线过渡数据的能力。增强的热膜数据采集系统的能力也得到了证明。新系统的数据与稳定性理论的比较表明，检测Tollmein-Schlicting波在过渡开始。
An improved deposition technique for cryogenic hot films used for transition detection in cryogenic tunnels is reported. Tests of the hot films in a low-speed tunnel demonstrated the ability to obtain online transition data. The capability of an enhanced hot film data acquisition system was also demonstrated. A comparison of data from the new system with stability theory shows the detection of Tollmein-Schlicting waves at transition onset.