Honeycomb gas seals are used in turbomachines as a possible alternative to labyrinth seals when a damping effect is desired. However, the prediction of the dynamical behaviour is still an open issue. A software tool based on an isothermal bulk-flow model is currently available. In our work, the prediction capabilities of bulk-flow models, without the isothermal assumption, have been investigated. A more flexible tool has been developed to test the effects of other assumptions, and the results of the simulations have been compared with new experimental data.
Modifica di un modello analitico per lo studio di tenute gas a nido d'ape e confronto con dati sperimetali
SABA, DIEGO;FORTE, PAOLA;
2013-01-01
Abstract
Honeycomb gas seals are used in turbomachines as a possible alternative to labyrinth seals when a damping effect is desired. However, the prediction of the dynamical behaviour is still an open issue. A software tool based on an isothermal bulk-flow model is currently available. In our work, the prediction capabilities of bulk-flow models, without the isothermal assumption, have been investigated. A more flexible tool has been developed to test the effects of other assumptions, and the results of the simulations have been compared with new experimental data.File in questo prodotto:
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