Development of a discontinuous Galerkin solver for the simulation of turbine stages

Autor:	Colombo, A., Ghidoni, A., Mantecca, E., Noventa, G., Rebay, S., Pasquale, D.
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	Turbine stage Discontinuous Galerkin Organic Rankine cycle Real gas Settore ING-IND/06 - Fluidodinamica
Popis:	A high-order Discontinuous Galerkin (DG) solver is assessed in the computation of the flow through an Organic Rankine Cycle turbine nozzle and stage. The flow features are predicted with a RANS (Reynolds averaged Navier­Stoke) approach and the k-log() turbulence model in a multi reference frame, where interfaces between fixed and rotating zones are treated with a mixing plane approach, and non reflecting boundary conditions are used. Primitive variables based on pressure and temperature logarithms are adopted to ensure non-negative thermodynamic variables at a discrete level. The fluid can be modeled with the polytropic ideal gas law and the Peng-Robinson equation of state.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::477e0ace6fe2fef4dd1fd4362242ba16 https://hdl.handle.net/10446/242470 Zobrazit plný text záznamu