@article{oai:muroran-it.repo.nii.ac.jp:00008557,
 author = {TAKAGI,  Shohei and 高木, 正平 and 上村,  卓也 and UEMURA, Takuya and 平田, 裕 and HIRATA, Yutaka and 高田, 晃輔 and TAKADA, Kosuke},
 journal = {室蘭工業大学紀要, Memoirs of the Muroran Institute of Technology},
 month = {Mar},
 note = {application/pdf, In supersonic wind tunnels, the humidity content of the working fluid is known to have a significant effect on flow conditions in the test section. The intent of this paper is to evaluate the influence of moisture on the test section flow quality for the indraft supersonic wind tunnel located at the Muroran Institute of Technology. The static-pressure fluctuation is measured by means of an unsteady pressure sensor buried in a 10-degree-aperture cone model installed in the test section. The results show that supersonic flow at Mach 2 is contaminated by the self-sustained oscillation of a condensation shock wave for ambient relative humidity greater than approximately 50%. It is also found that for the Mach 2 flow, that the ratio of the static-pressure fluctuation to the dynamic pressure is less than 0.1%, if the absolute humidity is kept below a critical value of 2[g/m3]. Experimental observations also reveal that the three-dimensional boundary-layer transition process is hypersensitive to the influence of free-stream humidity., 特集 : 航空宇宙機システム研究センターにおける開発研究2 : 4. オオワシII飛行にむけて並びに関連技術の研究開発（試験設備系）},
 pages = {61--68},
 title = {Humidity Effects on Unsteady Characteristics of Supersonic Flow},
 volume = {64},
 year = {2015},
 yomi = {タカギ, ショウヘイ and ウエムラ, タクヤ and ヒラタ, ユタカ and タカダ, コウスケ}
}