Scram

（重定向自Scram switch）

SCRAM button in the control room of the NS Savannah

Norman Hilberry (left) and Leó Szilárd at Stagg Field, site of the first self-sustaining nuclear chain-reaction.

A scram or SCRAM is an emergency shutdown of a nuclear reactor, though the term has been extended to cover shutdowns of other complex operations, such as server farms. In commercial reactor operations, this type of shutdown is often referred to as a "SCRAM" at boiling water reactors (BWR), and as a "reactor trip" at pressurized water reactors (PWR). In many cases, a SCRAM is part of the routine shutdown procedure as well.

单词	Scram switch
释义	Scram switch 英语百科 Scram （重定向自Scram switch） A scram or SCRAM is an emergency shutdown of a nuclear reactor, though the term has been extended to cover shutdowns of other complex operations, such as server farms. In commercial reactor operations, this type of shutdown is often referred to as a "SCRAM" at boiling water reactors (BWR), and as a "reactor trip" at pressurized water reactors (PWR). In many cases, a SCRAM is part of the routine shutdown procedure as well.
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