1414 希薄系固気二相流への DSMC 法の応用およびクラスター流動の数値解析

概要

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A particle cluster formed in a riser of the circulation fluidized bed or duct line of an air transportation device gives big influence to both a Gas-Solid phase and correlation of various kinds of transportation phenomena. Therefore we investigated flow structure of a cluster numerically. In case the inter-particle collision is calculated, the deterministic method has the fault that calculation load becomes large. Then, some probability methods are proposed. The DSMC method was in one of them, the DSMC method is a method used for the molecule collision simulation in dilute gas, and there was no study about calculation accuracy of DSMC method applied to dilute Gas-Solid flow. This study examines the problem and validity of application of the DSMC method to dilute Gas-Solid flow.
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