Effect of energy equation in one control-volume bulk-flow model for the prediction of labyrinth seal dynamic coefficients

•Considering the energy equation results in a better estimation of the seal dynamic coefficients.•Real gas properties and related empirical correlations are reported.•The authors’ model is more reliable compared to the state-of-the-art bulk-flow model.•Experimental negative pre-swirl tests are used...

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Veröffentlicht in:Mechanical systems and signal processing 2018-01, Vol.98, p.594-612
Hauptverfasser: Cangioli, Filippo, Pennacchi, Paolo, Vannini, Giuseppe, Ciuchicchi, Lorenzo
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Sprache:eng
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