Numerical and analytical modeling of pressure drop through a geothermal two-phase orifice plate

Show simple item record Mubarok, Mohamad en Zarrouk, Sadiq en Cater, John en
dc.coverage.spatial Taupo, New Zealand en 2019-03-04T02:44:10Z en 2018 en
dc.identifier.uri en
dc.description.abstract Measurement of the total mass flow rate of two-phase (steam and brine) geothermal fluid using sharp-edge orifice plates is gaining wide acceptance by the geothermal industry. Computational fluid dynamics (CFD) simulations using the ANSYS™ Fluent software were tested and validated with pressure drop data from the field experiments in Ulubelu, Sibayak, Lahendong and Bukit Daun geothermal fields, Indonesia. A mixture method was used to simulate the combination of steam and liquid in the geothermal flows. The selection of appropriate numerical methods is discussed in detail along with the results of the simulations including pressure, velocity and discharge coefficients. A new analytical correlation to predict the net pressure drop and mass flow rate is proposed and compared with the CFD models and the field test data. Good agreement has been observed between CFD predictions, the proposed correlation and the experimental data for net pressure drop across the orifice plate. This should help when sizing a suitable orifice plate at minimum pressure drop in future implementation. en
dc.relation.ispartof 40th New Zealand Geothermal Workshop en
dc.relation.ispartofseries Proceedings 40th New Zealand Geothermal Workshop en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri en
dc.title Numerical and analytical modeling of pressure drop through a geothermal two-phase orifice plate en
dc.type Conference Item en
dc.rights.holder Copyright: The author en en
pubs.finish-date 2018-11-16 en
pubs.start-date 2018-11-14 en
dc.rights.accessrights en
pubs.subtype Proceedings en
pubs.elements-id 760868 en Engineering en Engineering Science en
pubs.record-created-at-source-date 2019-02-01 en

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