Steadiness of wave complex induced by oblique detonation wave reflection before an expansion corner

2021 ◽  
Vol 112 ◽  
pp. 106592
Author(s):  
Kuanliang Wang ◽  
Pengfei Yang ◽  
Honghui Teng
Keyword(s):  
Detonation Wave ◽  
Wave Reflection ◽  
Oblique Detonation Wave ◽  
Wave Complex

scholarly journals Effects of Cowl-Induced Expansion on the Wave Complex Induced by Oblique Detonation Wave Reflection

Processes ◽  
2021 ◽  
Vol 9 (7) ◽  
pp. 1215
Author(s):  
Aifeng Wang ◽  
Jiahao Shang ◽  
Qiu Wang ◽  
Kuanliang Wang
Keyword(s):  
Detonation Wave ◽  
Expansion Wave ◽  
Unstable Wave ◽  
Unstable State ◽  
Mach Stem ◽  
Transient Phenomena ◽  
Oblique Detonation Wave ◽  
Expansion Angle ◽  
Reactive Euler Equations ◽  
Wave Complex

Oblique detonation wave (ODW) reflection on the upper wall leads to a sophisticated wave complex, whose stability is critical to the application of oblique detonation engines. The unstable wave complex characterized with a continuous moving Mach stem has been observed, but the corresponding re-stability adjusting method is still unclear so far. In this study, the cowl-induced expansion wave based on the model with an upper-side expansion wall is introduced, and the ODW dynamics have been analyzed using the reactive Euler equations with a two-step induction–reaction kinetic model. With the addition of a cowl-induced expansion wave, the re-stabilized Mach stem has been distinguished. This re-stability is determined by the weakened secondary reflection wave of lower wall, while the final location of Mach stem is not sensitive to the position of the expansion corner. The re-stabilized ODW structure is also basically irrelevant to the expansion angle, while it may shift to unstable due to the merging of subsonic zones. Transient phenomena for the unstable state have been also discussed, clarifying fine wave structures further.

Standing oblique detonation wave engine performance

1987 ◽  
Author(s):  
M. OSTRANDER ◽  
J. HYDE ◽  
M. YOUNG ◽  
R. KISSINGER ◽  
D. PRATT
Keyword(s):  
Detonation Wave ◽  
Engine Performance ◽  
Oblique Detonation Wave

The formation and development of oblique detonation wave with different chemical reaction models

2021 ◽  
pp. 106964
Author(s):  
Hongbo Guo ◽  
Xiongbin Jia ◽  
Ningbo Zhao ◽  
Shuying Li ◽  
Hongtao Zheng ◽  
...  
Keyword(s):  
Detonation Wave ◽  
Chemical Reaction ◽  
Oblique Detonation Wave ◽  
Reaction Models

Capturing Unstable Wrinkled Oblique Detonation Wave Front by Hi-Fi Numerical Simulation

2006 ◽  
Author(s):  
J.-Y. Choi ◽  
Dongwan Kim ◽  
In-Seuck Jeung ◽  
Vigor Yang ◽  
Fuhua Ma
Keyword(s):  
Numerical Simulation ◽  
Detonation Wave ◽  
Wave Front ◽  
Detonation Wave Front ◽  
Oblique Detonation Wave

High-fidelity numerical study on the on-set condition of oblique detonation wave cell structures

Shock Waves ◽  
2009 ◽  
pp. 287-292
Author(s):  
J.Y. Choi ◽  
E.J.R. Shin ◽  
D.R. Cho ◽  
I.S. Jeung
Keyword(s):  
Detonation Wave ◽  
Numerical Study ◽  
High Fidelity ◽  
Oblique Detonation Wave ◽  
Cell Structures

Study on the initiation characteristics of the oblique detonation wave by a co-flow hot jet

2020 ◽  
Vol 177 ◽  
pp. 86-95
Author(s):  
Qiongyao Qin ◽  
Xiaobing Zhang
Keyword(s):  
Detonation Wave ◽  
Oblique Detonation Wave

scholarly journals Structure of Steady-State Oblique Detonation Wave Generated around Hypersonic Projectiles.

1999 ◽  
Vol 47 (551) ◽  
pp. 457-463 ◽  
Author(s):  
Jiro KASAHARA ◽  
Takuma ENDO ◽  
Kouji NISHIDE ◽  
Daisuke YAHATA ◽  
Toshi FUJIWARA
Keyword(s):  
Steady State ◽  
Detonation Wave ◽  
Oblique Detonation Wave ◽  
Hypersonic Projectiles

Oblique detonation wave studies in the Caltech T-5 Shock Tunnel Facility

1998 ◽  
Author(s):  
J. Sterling ◽  
E. Cummings ◽  
K. Ghorbanian ◽  
D. Pratt ◽  
T. Sobota ◽  
...  
Keyword(s):  
Detonation Wave ◽  
Shock Tunnel ◽  
Oblique Detonation Wave

scholarly journals Numerical study of oblique detonation wave initiation in a stoichiometric hydrogen-air mixture

2015 ◽  
Vol 27 (9) ◽  
pp. 096101 ◽  
Author(s):  
Tao Wang ◽  
Yining Zhang ◽  
Honghui Teng ◽  
Zonglin Jiang ◽  
Hoi Dick Ng
Keyword(s):  
Detonation Wave ◽  
Numerical Study ◽  
Oblique Detonation Wave
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