Effects of outlet height on passive containment cooling system

Liu Youhong; Sun Mingyue

doi:10.11884/HPLPB201527.126002

Volume 27 Issue 12

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(12): 126002

Cai Jinchi, Hu Linlin, Ma Guowu, et al. Theoretical method for fast optimization of rectangular transition structure in folded waveguide devices[J]. High Power Laser and Particle Beams, 2015, 27: 053101. doi: 10.11884/HPLPB201527.053101

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Liu Youhong, Sun Mingyue. Effects of outlet height on passive containment cooling system[J]. High Power Laser and Particle Beams, 2015, 27: 126002. doi: 10.11884/HPLPB201527.126002

Citation:

Liu Youhong, Sun Mingyue. Effects of outlet height on passive containment cooling system[J]. High Power Laser and Particle Beams, 2015, 27: 126002. doi: 10.11884/HPLPB201527.126002

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Effects of outlet height on passive containment cooling system

doi: 10.11884/HPLPB201527.126002

Liu Youhong,
Sun Mingyue^,

1.
School of Energy and Power Engineering,Beihang University,Beijing 100191,China

Received Date: 2015-09-13
Rev Recd Date: 2015-10-22
Publish Date: 2015-11-26

Abstract

Abstract

The containment external heat environment of a large nuclear reactor passive containment cooling system (PCS) was studied. A natural convection heat transfer model of the containment narrow space was established, the flow field was simulated based on Navier-Stokes (N-S) equations, also the influence of the outlet height on passive containment cooling system cooling performance was studied. The results show that: when the inlet air is under 308.15 K, 1atm conditions, the area weighted average temperature of criterion type containment outlet is 330.33 K, the cooling air mass flow is 275.85 kg/s, the took away heat is 6160 kW; with the increase of outlet height, the mass flow and heat transfer of containment outlet are increasing, but the slope of the changing curve is decreasing, and finally leveled off, while the cooling air temperature efficiency which is a measure of cooling capacity decreases linearly, air resistance increases linearly, accordingly, sthere is an optimal design.
- passive containment,
- narrow space,
- natural convection,
- outlet height,
- cooling performance

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