Experimental study of a scramjet nozzle flow using the pressure-sensitive-paint method

被引：23
作者：
Hirschen, C. [1 ]
Guelhan, A. [1 ]
Beck, W. H. [1 ]
Henne, U. [1 ]
机构：
[1] German Aerosp Ctr, DLR, D-51147 Cologne, Germany
来源：
JOURNAL OF PROPULSION AND POWER | 2008年 / 24卷 / 04期
关键词：
Pressure distribution;
D O I：
10.2514/1.34626
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
An experimental study on scramjet nozzle flows was carried out at the DLR, German Aerospace Center. The tests were performed at a freestream Mach number of 7 in the hypersonic wind tunnel H2K in Cologne. The Reynolds number in the tunnel flow was varied to study the performance of the scramjet nozzle at different flight altitudes. The effects of different nozzle pressure ratios were investigated and compared. The static pressure distribution on the single expansion ramp was measured by both the pressure-sensitive-paint method and pressure-system-incorporation pressure transducers. The pressure-sensitive-paint method enables one to gain detailed field information about the pressure distribution on the entire nozzle surface. A pitot rake was used to measure the pitot-pressure distribution in the nozzle wake. The data obtained by the different measurement techniques permitted a characterization of the nozzle How and gave an insight into the properties of scramjet nozzle flows.
引用
收藏
页码：662 / 672
页数：11
相关论文
共 27 条
[1]  
BAYSAL O, 1991, CR4431 NASA
[2]  
CARBONI JD, 1992, TM105687 NASA
[3]  
CURRAN ET, 2000, PROGR ASTRONAUTICS A, V189
[4]  
EBRAHIMI HB, 1991, 29 AER SCI M REN NV
[5]  
EDWARDS TA, 1988, TM101033 NASA
[6]  
FLANDRO GA, 1992, CR190638 NASA
[7]   A century of ramjet propulsion technology evolution [J].
Fry, RS .
JOURNAL OF PROPULSION AND POWER, 2004, 20 (01) :27-58
[8]   Improvement of the SERN nozzle performance by aerodynamic flap design [J].
Gruhn, P ;
Henckels, A ;
Sieberger, G .
AEROSPACE SCIENCE AND TECHNOLOGY, 2002, 6 (06) :395-405
[9]  
HIRSCHEN C, 2006, 14 AIAA AHI INT SPAC
[10]  
HIRSCHEN C, 2007, 43 AIAA ASME SAE ASE
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