Numerical modeling of supercritical CO2 natural circulation loop
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- 作者：V. Archanaa ; archanav@barc.gov.in" class="auth_mail" title="E-mail the corresponding author ; A.M. Vaidyab ; avaidya@barc.gov.in" class="auth_mail" title="E-mail the corresponding author ; P.K. Vijayanb ; vijayanp@barc.gov.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：1D ; one dimensional ; 2D ; two dimensional ; BARC ; Bhabha Atomic Research Centre ; CFD ; computational fluid dynamics ; CHF ; critical heat flux ; HHHC ; horizontal heater horizontal cooler ; HHVC ; horizontal heater vertical cooler ; NCL ; natural circulation loop ; NAFA ; numerical analysis of fluid flow in axi-symmetric geometries ; NAFA-LOOP ; numerical analysis of fluid flow in axi-symmetric loop geometry ; SCNCL ; supercritical natural circulation loop ; SIMPLE ; semi-implicit method for pressure linked equati
- 刊名：Nuclear Engineering and Design
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：293
- 期：Complete
- 页码：330-345
- 全文大小：3018 K
文摘
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Supercritical CO2 natural circulation loop is modeled by in-house developed 1D and 2D axi-symmetric CFD codes.
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Steady state characteristics of VHVC configuration of supercritical CO2 natural circulation loop are studied over a range of power.
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Improved accuracy of predictions by 2D axi-symmetric formulation over 1D formulation is demonstrated.
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The validity of correlations used in 1D model such as friction factor and heat transfer correlations is analyzed.
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Simulation results shows normal, enhanced and deteriorated heat transfer regimes in supercritical CO2 natural circulation loop.