Effect of Axisymmetric Sonic Nozzle Geometry on Characteristics of Supersonic Air Jet

被引：14

作者：

Matsuo, Shigeru ^{[1
]}

Tanaka, Masanori ^{[1
]}

Otobe, Yumiko ^{[2
]}

Kashimura, Hideo ^{[2
]}

Kim, Heuy-Dong ^{[3
]}

Setoguchi, Toshiaki ^{[1
]}

机构：

[1] Saga Univ, Dept Mech Engn, Saga 8408502, Japan

[2] Kitakyushu Natl Coll Technol, Dept Control & Informat Syst Engn, Kokuraminami Ku, Kitakyushu, Fukuoka 8020985, Japan

[3] Andong Natl Univ, Coll Nat Sci, Sch Mech Engn, Andong, Kyung Pook, South Korea

来源：

JOURNAL OF THERMAL SCIENCE | 2004年 / 13卷 / 02期

关键词：

compressible flow; supersonic jet; non-equilibrium condensation; simulation;

D O I：

10.1007/s11630-004-0019-2

中图分类号：

O414.1 [热力学];

学科分类号：

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.

引用

页码：121 / 126

页数：6

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