aurustumine, mille korral tekivad soojusvaheti pindadele mullid ebapiisava soojusvoo või rõhulanguse põhjustatud soojuse akumuleerumise tõttu
evaporation in which bubbles form on parts of the heat exchanger surface due to the heat accumulation caused by insufficient flow or by a pressure drop
Vee osaline aurustumine kitsastes piludes (nt soojusvahetites) viib veekomponentide kogunemiseni ning see leeliseline kogunemine võib põhjustada austeniitsete kroomnikkelteraste ja legeerimata raudmetallide kristallidevahelist pingekorrosioonipragunemist ehk leeliselist haprust.
Partial evaporation in narrow gaps (e.g. in heat exchangers) leads to the accumulation of water contituents, and the accumulation of alkaline can cause intercrystalline stress-corrosion cracking in austenitic chomium-nickel steels and unalloyed ferrous materials (caustic embrittlement).
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