Analysis of the unstable behaviour of a single-phase natural circulation loop with one-dimensional and computational fluid-dynamic models |
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| Authors: | D.S. Pilkhwal W. Ambrosini N. Forgione P.K. Vijayan D. Saha J.C. Ferreri |
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| Affiliation: | 1. Reactor Engineering Division, Bhabha Atomic Research Centre, Mumbai, India;2. Università di Pisa, Dipartimento di Ingegneria Meccanica, Nucleare e della Produzione, Via Diotisalvi 2, 56126 Pisa, Italy;3. Autoridad Regulatoria Nuclear, Av. Libertador 8250, 1429 Buenos Aires, Argentina |
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| Abstract: | This paper discusses the results obtained using one-dimensional and three-dimensional computational fluid-dynamic codes for the prediction of the dynamic behaviour observed in experiments carried out in a single-phase natural circulation apparatus. The loop is made of glass and is equipped with vertical and horizontal heaters and coolers that can be separately operated, thus obtaining different working configurations. |
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| Keywords: | CFD, computational fluid-dynamics HHHC, horizontal heater horizontal cooler HHVC, horizontal heater vertical cooler RNG, renormalised group theory VHHC, vertical heater horizontal cooler VHVC, vertical heater vertical cooler 1D, one-dimensional 3D, three-dimensional |
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