detonation phenomenon
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2022 ◽  
Author(s):  
Xin Huang ◽  
Po-Hsiung Chang ◽  
Jiun-Ming Li ◽  
Heng Kee Ngiam ◽  
Ruiqin Shan ◽  
...  


Author(s):  
Mohnish Peswani ◽  
Brian McN. Maxwell

Abstract A reduced 4-species, 4-step Global Reaction Mechanism (GRM) [1], derived from detailed chemistry using a thermochemical approach, is investigated for three different reactive mixtures. The trade-off between preciseness of Elementary Reaction Mechanisms (ERMs), and low computational overhead requirements of GRMs remains a dilemma in the application of chemical kinetic models to detonation problems. Reducing a reaction mechanism often compromises the chemical details, and reduces the scope of applicability of the derived model. This is largely due to the mixture chemistry having a vital influence on several key aspects of the detonation phenomenon like initiation, quenching, and the dynamics of the wave front and hydrodynamic structure during propagation. For detonation problems in particular, there has been an insufficient replication of the complex reality of the phenomenon through numerical simulations which has lead to a constant demand for more accurate and affordable models. Three separate stoichiometric combustion mixtures are investigated, each involving acetylene, methane, or propane mixed with oxygen. Each mixture exhibits very different global activation energies, heat release, and ignition characteristics.



2020 ◽  
Vol 16 (2) ◽  
pp. 341-347
Author(s):  
Fei Zhou ◽  
Ning Liu ◽  
Xiang-yan Zhang ◽  
Xiu-dong You


2019 ◽  
Vol 71 (1) ◽  
pp. 117
Author(s):  
Yu-Dong Zhang ◽  
Ai-Guo Xu ◽  
Guang-Cai Zhang ◽  
Zhi-Hua Chen


Author(s):  
Виталий Поветкин ◽  
Vitaliy Povetkin ◽  
Амина Букаева ◽  
Amina Bukaeva ◽  
Александр Хандожко ◽  
...  

The development stages of thermo-jet burners with the intensifiers of fuel component combustion are described. Investigations for obtaining a detonation phenomenon in a free jet of burners at fuel component combustion are shown. The design peculiarities in developments of air-petrol thermo-tools allowing the intensification of the processes of fuel component combustion are shown.





Shock Waves ◽  
2010 ◽  
Vol 20 (5) ◽  
pp. 445-446
Author(s):  
J. M. Powers


2010 ◽  
Vol 51 (4) ◽  
pp. 372-373
Author(s):  
N. Riley


AIAA Journal ◽  
2009 ◽  
Vol 47 (5) ◽  
pp. 1310-1311 ◽  
Author(s):  
Joseph E. Shepherd ◽  
Paul Thibault


2009 ◽  
Vol 23 (2) ◽  
pp. 159-160 ◽  
Author(s):  
Craig M. Tarver


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