Three-dimensional detonation cellular structures in rectangular ducts using an improved CESE scheme
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ArticleKAUST Department
Applied Mathematics and Computational Science ProgramComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Date
2016-11-01Online Publication Date
2016-11-01Print Publication Date
2016-11Embargo End Date
2017-11-01Permanent link to this record
http://hdl.handle.net/10754/622486
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The three-dimensional premixed H2-O2 detonation propagation in rectangular ducts is simulated using an in-house parallel detonation code based on the second-order space–time conservation element and solution element (CE/SE) scheme. The simulation reproduces three typical cellular structures by setting appropriate cross-sectional size and initial perturbation in square tubes. As the cross-sectional size decreases, critical cellular structures transforming the rectangular or diagonal mode into the spinning mode are obtained and discussed in the perspective of phase variation as well as decreasing of triple point lines. Furthermore, multiple cellular structures are observed through examples with typical aspect ratios. Utilizing the visualization of detailed three-dimensional structures, their formation mechanism is further analyzed.Citation
Shen Y, Shen H, Liu K-X, Chen P, Zhang D-L (2016) Three-dimensional detonation cellular structures in rectangular ducts using an improved CESE scheme. Chinese Physics B 25: 114702. Available: http://dx.doi.org/10.1088/1674-1056/25/11/114702.Publisher
IOP PublishingJournal
Chinese Physics BAdditional Links
http://iopscience.iop.org/article/10.1088/1674-1056/25/11/114702/meta;jsessionid=7557AB6822B3D0EBCC980CC906F62A5F.c4.iopscience.cld.iop.orghttp://pdfs.semanticscholar.org/e7ce/0d604801d552c22cac4673aca6f824bdb1fc.pdf
ae974a485f413a2113503eed53cd6c53
10.1088/1674-1056/25/11/114702