Nuclear Engineering and Technology

  • 제51권8호
  • /
  • Pages.1886-1896
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  • 2019
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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Numerical study of laminar flow and friction characteristics in narrow channels under rolling conditions using MPS method

  • Basit, Muhammad Abdul (School of Nuclear Science and Technology, Xi'an Jiaotong University) ;
  • Tian, Wenxi (School of Nuclear Science and Technology, Xi'an Jiaotong University) ;
  • Chen, Ronghua (School of Nuclear Science and Technology, Xi'an Jiaotong University) ;
  • Qiu, Suizheng (School of Nuclear Science and Technology, Xi'an Jiaotong University) ;
  • Su, Guanghui (School of Nuclear Science and Technology, Xi'an Jiaotong University)
  • 투고 : 2019.04.10
  • 심사 : 2019.06.02
  • 발행 : 2019.12.25
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초록

Modern small modular nuclear reactors can be built on a barge in ocean, therefore, their flow characteristics depend upon the ocean motions. In the present research, effect of rolling motion on flow and friction characteristics of laminar flow through vertical and horizontal narrow channels has been studied. A computer code has been developed using MPS method for two-dimensional Navier-Stokes equations with rolling motion force incorporated. Numerical results have been validated with the literature and have been found in good agreement. It has been found that the impact of rolling motions on flow characteristics weakens with increase in flow rate and fluid viscosity. For vertical narrow channels, the time averaged friction coefficient for vertical channels differed from steady friction coefficient. Furthermore, increasing the horizontal distance from rolling pivot enhanced the flow fluctuations but these stayed relatively unaffected by change in vertical distance of channel from the rolling axis. For horizontal narrow channels, the flow fluctuations were found to be sinusoidal in nature and their magnitude was found to be dependent mainly upon gravity fluctuations caused by rolling.

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피인용 문헌

  1. Effect of pitching and rolling motion on hydrothermal performance of rectangular channel flow enhanced by twisted-tape pin–fin array vol.192, 2019, https://doi.org/10.1016/j.applthermaleng.2021.116971
  2. Investigation of single bubble behavior under rolling motions using multiphase MPS method on GPU vol.53, pp.6, 2019, https://doi.org/10.1016/j.net.2020.12.013