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Condensed Vortexes in TATB Granules Driven by Fluid-solids Coupled Turbulent Flows
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(Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China)

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    Abstract:

    X-ray micro-tomography(X-μCT) was applied to obtain the complete three-dimensional (3D) recordings of TATB-based granules at micrometre resolution. Vortexes are preserved by condensation and encrustation with binder. 3D visualization of structures arrangement and vertical-layer can solve outstanding questions about the nature of vortexes. The morphological features of vortexes such as single-vortex, double-vortex, multi-vortex, vortex-in-vortex in the granules indicate the mode of turbulence development. The dense-layer and vortical-layer reveal the turbulent mass transfer effect of TATB crystals. X-μCT provides a method of non-invasive analysis for probing the very limits of vortexes and insight into condensed vortexes during the emergence turbulence.

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张伟斌,杨雪海,杨仍才,等.流固耦合湍流驱动TATB造粒凝结涡旋[J].含能材料,2014,22(3):376-381.
ZHANG Wei-bin, YANG Xue-hai, YANG Reng-cai, et al. Condensed Vortexes in TATB Granules Driven by Fluid-solids Coupled Turbulent Flows[J]. Chinese Journal of Energetic Materials,2014,22(3):376-381.

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History
  • Received:August 12,2013
  • Revised:October 14,2013
  • Adopted:October 24,2013
  • Online: July 01,2014
  • Published: