The influence of real gas effects on the performance of supercritical CO2 dry gas seals

Fairuz, Z. M. and Jahn, I. (2016) The influence of real gas effects on the performance of supercritical CO2 dry gas seals. Tribology International, 102 333-347. doi:10.1016/j.triboint.2016.05.038


Author Fairuz, Z. M.
Jahn, I.
Title The influence of real gas effects on the performance of supercritical CO2 dry gas seals
Formatted title
The influence of real gas effects on the performance of supercritical CO2 dry gas seals
Journal name Tribology International   Check publisher's open access policy
ISSN 0301-679X
1879-2464
Publication date 2016-10-01
Sub-type Article (original research)
DOI 10.1016/j.triboint.2016.05.038
Open Access Status Not yet assessed
Volume 102
Start page 333
End page 347
Total pages 15
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon Press
Language eng
Formatted abstract
The current work investigates dry gas seals operation with supercritical CO2 (sCO2) at two operating conditions using CFD. One close and one far from the critical point. At the operating condition far from the critical point a maximum change of 1.7% in pressure, 0.4% in temperature and 1.1% in density are observed. Contrary, closer to the critical point a maximum change of 6.5% in pressure, 6.7% in temperature and 39.5% in density are observed. These changes also influence opening force and leakage rate. Far from the critical point the maximum changes are 0.7% and 3.1%, whereas close to the critical point maximum changes of 3.4% and 10.3% are observed. The centrifugal effect plays an important role when operating with dense gases.
Keyword Brayton cycle
Dry gas seal
Real gas
Supercritical carbon dioxide
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
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