| Effect of Axisymmetric Sonic Nozzle Geometry on Characteristics of Supersonic Air Jet |
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| 引用本文： | Shigeru MATSUO,Masanori TANAKA,Yumiko OTOBE,Hideo KASHIMURA,Heuy-Dong KIM,Toshiaki SETOGUCHI. Effect of Axisymmetric Sonic Nozzle Geometry on Characteristics of Supersonic Air Jet[J]. 热科学学报(英文版), 2004, 13(2): 121-126. DOI: 10.1007/s11630-004-0019-2 |
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| 作者姓名： | Shigeru MATSUO Masanori TANAKA Yumiko OTOBE Hideo KASHIMURA Heuy-Dong KIM Toshiaki SETOGUCHI |
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| 作者单位： | Department of Mechanical Engineering，Saga University，1，Honjo-machi，Saga-shi，Saga 840-8502，Japan，Department of Mechanical Engineering，Saga University，1，Honjo-machi，Saga-shi，Saga 840-8502，Japan，Department of Control and Information Systems Engineering，Kitakyushu National College of Technology，5-20-1，Shii，Kokuraminami-ku，Kitakyushu-shi，Fukuoka 802-0985，Japan，Department of Control and Information Systems Engineering，Kitakyushu National College of Technology，5-20-1，Shii，Kokuraminami-ku，Kitakyushu-shi，Fukuoka 802-0985，Japan，School of Mechanical Engineering，College of Natural Science，Andong National University，388，Song-Cheon Dong，Andong，Kyung-Pook，Korea，Department of Mechanical Engineering，Saga University，1，Honjo-machi，Saga-shi，Saga 840-8502，Japan |
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| 摘 要： | The effect of nozzle geometry on sonic line and characteristics of supersonic air jet was studied. Computational fluid dynamics was applied in this study. The axisymmetric nozzle geometries investigated were two different contour converging nozzles, two different conically converging sharp-edged nozzles and a sharp-edged orifice. The results show that the supersonic jet structure, sonic line and streamlines in supersonic jet are strongly influenced by the nozzle geometry, and the total pressure loss increases with the increase of Mach disk diameter. The present numerical simulation is an effective tool to evaluate compressible flows in supersonic air jet.
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Effect of axisymmetric sonic nozzle geometry on characteristics of supersonic air jet |
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| Shigeru Matsuo,Masanori Tanaka,Yumiko Otobe,Hideo Kashimura,Heuy-Dong Kim,Toshiaki Setoguchi. Effect of axisymmetric sonic nozzle geometry on characteristics of supersonic air jet[J]. Journal of Thermal Science, 2004, 13(2): 121-126. DOI: 10.1007/s11630-004-0019-2 |
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| Authors: | Shigeru Matsuo Masanori Tanaka Yumiko Otobe Hideo Kashimura Heuy-Dong Kim Toshiaki Setoguchi |
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| Affiliation: | (1) Department of Mechanical Engineering, Saga University, 1, Honjo-machi, Saga-shi, 840-8502 Saga, Japan;(2) Department of Control and Information Systems Engineering, Kitakyushu National College of Technology, 5-20-1, Shii, Kokuraminami-ku, Kitakyushu-shi, 802-0985 Fukuoka, Japan;(3) School of Mechanical Engineering, College of Natural Science, Andong National University, 388, Song-Cheon Dong, Andong, Kyung-Pook, Korea |
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| Abstract: | The effect of nozzle geometry on sonic line and characteristics of supersonic air jet was studied. Computational fluid dynamics was applied in this study. The axisymmetric nozzle geometries investigated were two different contour converging nozzles, two different conically converging sharp-edged nozzles and a sharp-edged orifice. The results show that the supersonic jet structure, sonic line and streamlines in supersonic jet are strongly influenced by the nozzle geometry, and the total pressure loss increases with the increase of Mach disk diameter. The present numerical simulation is an effective tool to evaluate compressible flows in supersonic air jet. |
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| Keywords: | compressible flow supersonic jet non-equilibrium condensation simulation. |
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