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1995•Transactions of the American Nuclear SocietyRequires access

Reactor coolant system depressurization in PWRs with U-tube steam generators

K.S. Quick, D. L. Knudson

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Abstract

Molten core materials could be ejected into the containment building by a high-pressure reactor coolant system (RCS) following reactor vessel failure during certain severe accidents. A rapid rise in containment temperature and pressure, or direct containment heating (DCH), could result from that high-pressure melt ejection (HPME). In an extreme case, the pressurization associated with DCH could lead to containment failure.

About this research paper

What this paper is about

Molten core materials could be ejected into the containment building by a high-pressure reactor coolant system (RCS) following reactor vessel failure during certain severe accidents. A rapid rise in containment temperature and pressure, or direct containment heating (DCH), could result from that high-pressure melt ejection (HPME). In an extreme case, the pressurization associated with DCH could lead to containment failure.

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OpenAlex reports 1 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Molten core materials could be ejected into the containment building by a high-pressure reactor coolant system (RCS) following reactor vessel failure during certain severe accidents. A rapid rise in containment temperature and pressure, or direct containment heating (DCH), could result from that high-pressure melt ejection (HPME). In an extreme case, the pressurization associated with DCH could lead to containment failure.

Key concepts: Cabin pressurization, Coolant, Containment (computer programming), Nuclear engineering, Pressurizer, Corium, Reactor pressure vessel, Materials science

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