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STUDY OF AXIAL VELOCITY IN GAS CYCLONES BY 2D-PIV,3D-PIV,AND SIMULATION 被引量:2

STUDY OF AXIAL VELOCITY IN GAS CYCLONES BY 2D-PIV,3D-PIV,AND SIMULATION
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摘要 The axial velocity distribution in a gas cyclone has been examined with two-dimensional particle image velocimetry (2D-PIV) and three-dimensional particle image velocimetry (3D-PIV) experiments in this study. Due to the limitation of 2D-PIV configuration, the contamination generated by the strong tangential velocity in the cyclone can be registered in the axial velocity detected by 2D-PIV. Efficient methods are proposed in this work to remove this contamination. The contamination-removed 2D-PIV data agree well with 3D-PIV results. The distributions of the axial velocity are also computed by the Reynolds stress model (RSM) and verified using the PIV experimental results. Reasonable agreements are obtained. The axial velocity distribution in a gas cyclone has been examined with two-dimensional particle image velocimetry (2D-PIV) and three-dimensional particle image velocimetry (3D-PIV) experiments in this study. Due to the limitation of 2D-PIV configuration, the contamination generated by the strong tangential velocity in the cyclone can be registered in the axial velocity detected by 2D-PIV. Efficient methods are proposed in this work to remove this contamination. The contamination-removed 2D-PIV data agree well with 3D-PIV results. The distributions of the axial velocity are also computed by the Reynolds stress model (RSM) and verified using the PIV experimental results. Reasonable agreements are obtained.
出处 《China Particuology》 SCIE EI CAS CSCD 2006年第3期204-210,共7页
关键词 particle image velocimetry (PIV) numerical simulation axial velocity cyclone separators particle image velocimetry (PIV), numerical simulation, axial velocity, cyclone separators
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