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Shaft Alignment - Cold-to-Hot Sag

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Cold-to-hot shaft-alignment compensation - thermal growth ME + jacket water heating compensates geometry.

Formula

$$ \Delta h = h \cdot \alpha \cdot \Delta T $$

Symbol legend

SymbolMeaningUnitSource
$α$Steel thermal expansion/Ksteel properties

Sources

  • MAN ES Shaft Alignment Guide.