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Effects of expanding zone parameters of vacuum dust suction mouth on flow simulation results

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Abstract

Based on the parametric analysis of the expanding zone of the vacuum dust suction mouth, the flow in the vacuum dust suction mouth was simulated by computational fluid dynamics (CFD) software, Fluent. The effects of the expanding zone parameters on flow simulation were analyzed. The results show that simulation effects depend on threshold values of the expanding zone parameters of the dust suction mouth, and the threshold values of the expanding zone can be obtained according to the different structures of the vacuum dust suction mouth and be selected as the geometric parameters in calculating, and also corners of the expanding zone make unobvious difference in calculation accuracy and in computational efficiency compared with no corner. The simulation results provide practical guidance to the flow simulation on the dust suction mouth.

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Authors and Affiliations

  1. School of Traffic and Transportation Engineering, Central South University, Changsha, 410075, China

    Yi-cheng Zhang  (章易程), Chun-zhao Yang  (杨春朝), Mo Chen  (陈默), Xiang Zou  (邹翔) & Wan-lin Dai  (戴万林)

  2. Centre for Railway Research and Education, University of Birmingham, Birmingham, Edgbaston, UK

    Chris Baker

Authors
  1. Yi-cheng Zhang  (章易程)
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  2. Chun-zhao Yang  (杨春朝)
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  3. Chris Baker
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  4. Mo Chen  (陈默)
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  5. Xiang Zou  (邹翔)
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  6. Wan-lin Dai  (戴万林)
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Corresponding author

Correspondence to Yi-cheng Zhang  (章易程).

Additional information

Foundation item: Project(2012zzts082) supported by the Fundamental Research Funds of Central South University, China; Project(02JJY2005) supported by the Natural Science Foundation of Hunan Province, China; Project(20130843023) supported by China Scholarship Council

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Zhang, Yc., Yang, Cz., Baker, C. et al. Effects of expanding zone parameters of vacuum dust suction mouth on flow simulation results. J. Cent. South Univ. 21, 2547–2552 (2014). https://doi.org/10.1007/s11771-014-2210-2

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  • DOI: https://doi.org/10.1007/s11771-014-2210-2

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