"prompt critical" meaning in English

See prompt critical in All languages combined, or Wiktionary

Adjective

Head templates: {{en-adj|-}} prompt critical (not comparable)
  1. (nuclear physics) Of the point where the prompt neutrons produced by a nuclear fission chain reaction are just sufficient to sustain the chain reaction on their own, past which changes in reaction power occur on a timeframe of milliseconds, too rapidly for a human operator to control. Tags: not-comparable Categories (topical): Nuclear physics, Nuclear warfare Related terms: prompt criticality Coordinate_terms: delayed critical

Download JSON data for prompt critical meaning in English (2.9kB)

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          "ref": "2000, Thomas P. McLaughlin with Shean P. Monahan, Norman L. Pruvost, Vladimir V. Frolov, Boris G. Ryazanov, and Victor I. Sviridov, “I. A. 17. Mayak Production Association, 10 December 1968”, in A Review of Criticality Accidents: 2000 Revision, Los Alamos National Laboratory, archived from the original on 2021-02-24, page 42",
          "text": "The number of fissions in the two prompt critical excursions was estimated from (1) the doses received by the operator and shift supervisor and (2) the measured exposure rate from fission product gamma–rays (1.5 mR/s at 3 m from the vessel, 1 hour after the last excursion).",
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        "Of the point where the prompt neutrons produced by a nuclear fission chain reaction are just sufficient to sustain the chain reaction on their own, past which changes in reaction power occur on a timeframe of milliseconds, too rapidly for a human operator to control."
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        "(nuclear physics) Of the point where the prompt neutrons produced by a nuclear fission chain reaction are just sufficient to sustain the chain reaction on their own, past which changes in reaction power occur on a timeframe of milliseconds, too rapidly for a human operator to control."
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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-03 from the enwiktionary dump dated 2024-05-02 using wiktextract (f4fd8c9 and c9440ce). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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