首页> 外文期刊>International Journal of Heat and Mass Transfer >ROLE OF INTER-AND INTRAPARTICLE DIFFUSION IN NONUNIFORM PARTICLE SIZE GASLESS COMPACTED-POWDER COMBUSTION SYNTHESIS-I: FORMULATION
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ROLE OF INTER-AND INTRAPARTICLE DIFFUSION IN NONUNIFORM PARTICLE SIZE GASLESS COMPACTED-POWDER COMBUSTION SYNTHESIS-I: FORMULATION

机译:颗粒间和颗粒内扩散在非均匀颗粒态气密粉混合燃烧中的作用-I:配方

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摘要

The propagation-mode, compacted-powder, gasless combustion synthesis of intermetallics is modeled through a combined three-scale, particle-level/specimen-level treatment. The specimen-level treatment is based on the local volume-averaged conservation equations for species and energy. The particle-level treatment considers a uniform temperature, the formation of products through a diffusion-controlled heterogeneous reaction, and allows for melting of the product assuming a distinct interface between he phase.
机译:金属间化合物的传播模式,压实粉末,无气燃烧合成是通过组合的三级,颗粒级/样品级处理进行建模的。标本级处理基于物种和能量的局部体积平均守恒方程。颗粒级处理考虑了均匀的温度,通过扩散控制的异相反应形成了产物,并假定了相之间明显的界面使产物熔融。

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