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・ Isolation (Carpathian album)
・ Isolation (database systems)
・ Isolation (health care)
・ Isolation (illusion)
・ Isolation (John Lennon song)
・ Isolation (Joy Division song)
・ Isolation (poker)
・ Isolation (psychology)
・ Isolation (The Walking Dead)
・ Isolation (Toto album)
・ Isolation amplifier
・ Isolation booth
・ Isolation by distance
・ Isolation cabinet (guitar)
・ Isolation chip
Isolation Condensor
・ Isolation Drills
・ Isolation from No.13
・ Isolation index
・ Isolation lemma
・ Isolation Party
・ Isolation Point
・ Isolation Songs
・ Isolation tank
・ Isolation transformer
・ Isolation transformer (dry)
・ Isolation valve
・ Isolation ward
・ Isolationism
・ Isolationism (album)


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Isolation Condensor : ウィキペディア英語版
Isolation Condensor

Isolation Condenser, Isolation Condensor (IC or “Iso. Condenser” or” isolation condenser system”) is, in Reactor Core Isolation Cooling System (“RCIC”); one of the emergency reactor safety systems in some nuclear plants (Boiling water reactor safety systems).
==Emergency passive system==
It is a passive system for cooling of some reactors (BWR/2, BWR/3 ..., and the (E)SBWR series) in nuclear production, located above containment in a pool of water open to atmosphere.
In operation, decay heat boils steam, which is drawn into the heat exchanger and condensed; then it falls by weight of gravity back into the reactor. This process keeps the cooling water in the reactor, making it unnecessary to use powered feedwater pumps. The water in the open pool slowly boils off, venting clean steam to the atmosphere. This makes it unnecessary to run mechanical systems to remove heat. Periodically, the pool must be refilled, a simple task for a fire truck. The (E)SBWR reactors provide three days' supply of water in the pool. Some older reactors also have IC systems, including Fukushima Dai-ichi reactor 1, however their water pools may not be as large.
Under normal conditions, the IC system is not activated, but the top of the IC condenser is connected to the reactor's steam lines through an open valve. Steam enters the IC condenser and condenses until it is filled with water. When the IC system is activated, a valve at the bottom of the IC condenser is opened which connects to a lower area on the reactor. The water falls to the reactor via gravity, allowing the condenser to fill with steam, which then condenses. This cycle runs continuously until the bottom valve is closed.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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