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A Robust Adiabatic Model for a Quasi-Steady Prediction of Far-Off Non-Measured Performance in Vaneless Twin-Entry or Dual-Volute Radial Turbines

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A Robust Adiabatic Model for a Quasi-Steady Prediction of Far-Off Non-Measured Performance in Vaneless Twin-Entry or Dual-Volute Radial Turbines

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dc.contributor.author Serrano, J.R. es_ES
dc.contributor.author Arnau Martínez, Francisco José es_ES
dc.contributor.author García-Cuevas González, Luis Miguel es_ES
dc.contributor.author Samala, Vishnu es_ES
dc.date.accessioned 2021-05-21T03:31:45Z
dc.date.available 2021-05-21T03:31:45Z
dc.date.issued 2020-03 es_ES
dc.identifier.uri http://hdl.handle.net/10251/166581
dc.description.abstract [EN] The current investigation describes in detail a mass flow oriented model for extrapolation of reduced mass flow and adiabatic efficiency of double entry radial inflow turbines under any unequal and partial flow admission conditions. The model is based on a novel approach, which proposes assimilating double entry turbines to two variable geometry turbines (VGTs) using the mass flow ratio ( MFR ) between the two entries as the discriminating parameter. With such an innovative approach, the model can extrapolate performance parameters to non-measured MFR s, blade-to-jet speed ratios, and reduced speeds. Therefore, the model can be used in a quasi-steady method for predicting double entry turbines performance instantaneously. The model was validated against a dataset from two different double entry turbine types: a twin-entry symmetrical turbine and a dual-volute asymmetrical turbine. Both were tested under steady flow conditions. The proposed model showed accurate results and a coherent set of fitting parameters with physical meaning, as discussed in this paper. The obtained parameters showed very similar figures for the aforementioned turbine types, which allows concluding that they are an adequate set of values for initializing the fitting procedure of any type of double entry radial turbine. es_ES
dc.description.sponsorship Vishnu Samala is partially supported through contract FPI-2017-S2-1256 of Programa de Apoyo para la Investigacion y Desarrollo (PAID) of Universitat Politecnica de Valencia. This work was partially funded by the 'Ayuda a Primeros Proyectos de Investigacion' (PAID-06-18), Vicerrectorado de Investigacion, Innovacion y Transferencia de la Universitat Politecnica de Valencia (UPV), Valencia, Spain. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Applied Sciences es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Turbocharger es_ES
dc.subject Twin-entry radial turbines es_ES
dc.subject Dual-volute radial turbines es_ES
dc.subject Unequal and partial flow admission es_ES
dc.subject Quasi-steady models es_ES
dc.subject Adiabatic efficiency model es_ES
dc.subject Reduced mass flow model es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.subject.classification INGENIERIA AEROESPACIAL es_ES
dc.title A Robust Adiabatic Model for a Quasi-Steady Prediction of Far-Off Non-Measured Performance in Vaneless Twin-Entry or Dual-Volute Radial Turbines es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/app10061955 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-06-18/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//FPI-2017-S2-1256/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics es_ES
dc.description.bibliographicCitation Serrano, J.; Arnau Martínez, FJ.; García-Cuevas González, LM.; Samala, V. (2020). A Robust Adiabatic Model for a Quasi-Steady Prediction of Far-Off Non-Measured Performance in Vaneless Twin-Entry or Dual-Volute Radial Turbines. Applied Sciences. 10(6):1-43. https://doi.org/10.3390/app10061955 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/app10061955 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 43 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 10 es_ES
dc.description.issue 6 es_ES
dc.identifier.eissn 2076-3417 es_ES
dc.relation.pasarela S\408536 es_ES
dc.contributor.funder Renault, S.A.S. es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
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