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Date of Publication:2022-10-07

Journal:工程热物理学报

Volume:39

Issue:2

Page Number:314-320

ISSN No.:0253-231X

Abstract:This paper developed two computer codes for radial inflow turbine design
   and analysis with supercritical carbon oxide(S-CO_2) as working media.
   Both codes incorporated empirical loss model and real gas thermodynamic
   properties. First the accuracy of the loss models were validated against
   experimental data. Then an S-CO_2 radial inflow turbine was designed and
   analyzed by developed codes, and checked by 3D CFD numerical
   simulations. Final results indicated that the design and off-design
   performance of the designed S-CO_2 radial-inflow turbine were good,and
   the results of one-dimensional calculation agreed well with values of
   numerical simulation, which demonstrated that the codes were precise and
   reliable. However the predicted choking mass flow rate was higher than
   that of numerical simulation, and further improvement can be made in
   that respect.

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