Large-scale free-piston-driven multi-mode shock expansion tunnel

被引：2

作者：

Stennett, Samuel ^{[1
]}

Gildfind, David ^{[1
]}

Andrianatos, Andreas ^{[1
]}

Morgan, Richard ^{[1
]}

Jacobs, Peter ^{[1
]}

James, Christopher ^{[1
]}

Toniato, Pierpaolo ^{[1
]}

Chan, Wilson ^{[2
]}

Silvester, Todd ^{[2
]}

机构：

[1] Univ Queensland, Ctr Hyperson, St Lucia, Qld 4067, Australia

[2] Def Sci & Technol Grp, Eagle Farm, Qld 4009, Australia

来源：

EXPERIMENTS IN FLUIDS | 2024年 / 65卷 / 02期

关键词：

TEST FLOW RECONSTRUCTION; TUBE; DESIGN;

D O I：

10.1007/s00348-023-03756-y

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

X3/R is a new large-scale free-piston-driven dual-mode shock expansion tube, developed and operated collaboratively by the University of Queensland (UQ) and Australia's Defence Science and Technology Group (DSTG). The facility can be converted between a long-duration reflected shock tunnel (RST), a super-orbital expansion tube (X-mode), and a non-reflected shock tube (NRST). In RST mode, the facility is currently capable of producing 600mm diameter Mach 7 test flows at 25-50kPa dynamic pressure for more than 10 ms. In expansion tube mode, the facility can reach enthalpies up to 80 MJ/kg for test times on the order of 500-1000 mu s. This paper presents the new facility, summarizes its current operational capabilities, and discusses key the technical challenges overcome during its development.

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页数：23

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