Underexpanded jet for testing laser-based combustion diagnostics

被引：3

作者：

Klavuhn, KG ^{[1
]}

McDaniel, JC ^{[1
]}

机构：

[1] Univ Virginia, Aerosp Res Lab, Dept Mech & Aerosp Engn, Charlottesville, VA 22903 USA

来源：

JOURNAL OF PROPULSION AND POWER | 2001年 / 17卷 / 05期

关键词：

D O I：

10.2514/2.5845

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The design, construction, and operation of an underexpanded jet facility developed as a test flowfield for laser-based supersonic combustion diagnostics are described. The continuous-running device accelerates hot gases from a 160-kPa, 2000-K, stoichiometric H-2/Air combustion chamber through a 3.15-mm i.d., alumina tube into a 11-kPa chamber. The resulting underexpanded jet of flame species provides a range of flowfield parameters (11 = 1-4, T = 1700-500 K, P = 72.8-2.7 kPa, and rho = 0.12-0.004 kg/m(3)) typical of practical supersonic combustion experiments. The modeling of the jet flowfleld using an axisymmetric Navier-Stokes code is also described.

引用

页码：1067 / 1075

页数：9

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