Iterative Method to Derive the Equivalent Centrifugal Compressor Performance at Various Operating Conditions: Part I: Modelling of Suction Parameters Impact

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dc.contributor.authorPilidis, Pericles
dc.contributor.authorAlbusaidi, Waleeden_UK
dc.date.accessioned2016-03-15T16:32:41Z
dc.date.available2016-03-15T16:32:41Z
dc.date.issued2015-08-12
dc.description.abstractThis paper introduces a new iterative method to predict the equivalent centrifugal compressor performance at various operating conditions. The presented theoretical analysis and empirical correlations provide a novel approach to derive the entire compressor map corresponding to various suction conditions without a prior knowledge of the detailed geometry. The efficiency model was derived to reflect the impact of physical gas properties, Mach number, and flow and work coefficients. One of the main features of the developed technique is the fact that it considers the variation in the gas properties and stage efficiency which makes it appropriate with hydrocarbons. This method has been tested to predict the performance of two multistage centrifugal compressors and the estimated characteristics are compared with the measured data. The carried comparison revealed a good matching with the actual values, including the stable operation region limits. Furthermore, an optimization study was conducted to investigate the influences of suction conditions on the stage efficiency and surge margin. Moreover, a new sort of presentation has been generated to obtain the equivalent performance characteristics for a constant discharge pressure operation at variable suction pressure and temperature working conditions. A further validation is included in part two of this study in order to evaluate the prediction capability of the derived model at various gas compositions.en_UK
dc.identifier.citationAlbusaidi, W.; Pilidis, P. An Iterative Method to Derive the Equivalent Centrifugal Compressor Performance at Various Operating Conditions: Part I: Modelling of Suction Parameters Impact. Energies 2015, Vol. 8, Iss. 8, pp. 8497-8515.en_UK
dc.identifier.cris5481673
dc.identifier.issn1996-1073en_UK
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/9787
dc.identifier.urihttp://dx.doi.org/10.3390/en8088497en_UK
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsThis is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Attribution 4.0 International (CC BY 4.0) You are free to: Share — copy and redistribute the material in any medium or format, Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.en_UK
dc.subjectNew iterative methoden_UK
dc.subjectCentrifugal compressor performanceen_UK
dc.subjectOperating conditionsen_UK
dc.subjectPhysical gas propertiesen_UK
dc.subjectHydrocarbonsen_UK
dc.subjectStable operation region limitsen_UK
dc.titleIterative Method to Derive the Equivalent Centrifugal Compressor Performance at Various Operating Conditions: Part I: Modelling of Suction Parameters Impacten_UK
dc.typeArticleen_UK

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