neutron flux excursion

neutron flux excursion: разгон (нейтронного) потока; мгновенное повышение нейтронного потока

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excursion — [eks kʉr′zhən, eks kʉr′shən; iks kʉr′zhən, ikskʉr′shən] n. [L excursio, a running out or forth < excursus, pp. of excurrere: see EXCURRENT] 1. Obs. a military sortie; raid 2. a short trip taken with the intention of returning to the point of… … English World dictionary
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SL-1 — The SL 1, or Stationary Low Power Reactor Number One, was a United States Army experimental nuclear power reactor which underwent a steam explosion and meltdown in January 1961, killing its three operators. The direct cause was the improper… … Wikipedia
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