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Deflagration-to-detonation transition process for spherical aluminum dust/epoxypropane mist/air mixtures in a large-scale experimental tube |
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| Authors: | LIU QingMing BAI ChunHua JIANG Li DAI WenXi & NIU Fang State Key Lab of Explosion Science Technology Beijing Institute of Technology Beijing China |
| Institution: | LIU QingMing,BAI ChunHua,JIANG Li,DAI WenXi & NIU Fang State Key Lab of Explosion Science and Technology,Beijing Institute of Technology,Beijing 100081,China |
| Abstract: | The deflagration-to-detonation transitions (DDTs) for clouds of spherical aluminum dust (SAD) mixed with air or epoxypropane mist (EPM) and air were investigated in a 29.6-m-long experimental tube of 199 mm in diameter. The clouds formed through the injection of SAD and SAD/liquid epoxypropane samples into the experimental tube. Explosions of the SAD/air mixture were initiated using a 7-m-long EPM/air cloud explosion ignited by a 40-J electric spark. Explosions in SAD/EPM/air clouds were initiated using a 1... |
| Keywords: | deflagration-to-detonation transition spherical aluminum dust epoxypropane mist multiphase explosion experimental tube |
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