What is Quench Parameter? & Where Does it Apply?

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    Parameter Quench
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Discussion Overview

The discussion centers around the concept of the "Quench Parameter," exploring its definition and applications, particularly in superconductivity and nuclear physics. Participants seek to clarify its meaning and relevance in different contexts.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants describe "quench" as a term used in superconductivity to denote a section of wire or cable that loses its superconducting properties and becomes resistive.
  • There is a suggestion that the Quench Parameter in nuclear physics may relate to the decrease of a peak curve, although this is not clearly defined.
  • Another participant proposes that "quench" could also refer to a reactor going subcritical when control rods are inserted.
  • It is noted that an excess of xenon gas can also lead to reactor shutdown, as it acts as a "poison" due to its large thermal neutron cross section.

Areas of Agreement / Disagreement

Participants express varying interpretations of the term "quench" and its applications, indicating that multiple competing views remain without a clear consensus on its precise definition or scope.

Contextual Notes

The discussion includes assumptions about the definitions of terms and their applications in different fields, which may not be universally agreed upon. There are also unresolved aspects regarding the specific implications of the Quench Parameter in both superconductivity and nuclear physics.

axel1983
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Could anybody tell me what is so called Quench Parameter ?
And where is that parameter applys into?
Thanks a lot!
:smile:
 
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The word "quench" (verb or noun) is now used to describe a section of superconducting current-carrying wire or cable that goes normal (loses its superconducting quality and becomes resistive). Initially it was used to describe the rapid cooling of materials such as red-hot steel in water to harden it.
 
Bob S said:
The word "quench" (verb or noun) is now used to describe a section of superconducting current-carrying wire or cable that goes normal (loses its superconducting quality and becomes resistive). Initially it was used to describe the rapid cooling of materials such as red-hot steel in water to harden it.
thanks a lot!
so Quench Parameter in Nuclear physics means the decrease of peak curve?
 
I guess the term "quench" could also be applied to a reactor, when the control rods are pushed in and the reactor goes subcritical.

A reactor can also be shut down by an excess of certain elements like xenon gas, which has a large thermal neutron cross section. Xenon, which builds up in the fuel as it is consumed, is somtimes referrred to as a "poison" in reactors.
 

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