Insights into the turbulent flow of dense gases through high-fidelity simulations

P Cinnella, X Gloerfelt - Computers & Fluids, 2023 - Elsevier
This article reviews recent advances in the understanding of turbulent flows of non-ideal
gases through the use of high-fidelity direct and large eddy simulations. In particular, the …

Three-dimensional off-design numerical analysis of an organic Rankine cycle radial-inflow turbine

E Sauret, Y Gu - Applied Energy, 2014 - Elsevier
Optimisation of organic Rankine cycles (ORCs) for binary cycle applications could play a
major role in determining the competitiveness of low to moderate renewable sources. An …

Performance improvement of a radial organic Rankine cycle turbine by means of automated computational fluid dynamic design

J Harinck, D Pasquale, R Pecnik… - Proceedings of the …, 2013 - journals.sagepub.com
There is a growing interest in organic Rankine cycle turbogenerators because of their ability
to efficiently utilize external heat sources at low-to-medium temperature in the small-to …

Computational study of a high-expansion ratio radial organic Rankine cycle turbine stator

J Harinck, T Turunen-Saaresti, P Colonna, S Rebay… - 2010 - asmedigitalcollection.asme.org
There is a growing interest in organic Rankine cycle (ORC) turbogenerators because they
are suitable as sustainable energy converters. ORC turbogenerators can efficiently utilize …

Shape optimization of an airfoil in a BZT flow with multiple-source uncertainties

PM Congedo, C Corre, JM Martinez - Computer Methods in Applied …, 2011 - Elsevier
Bethe–Zel'dovich–Thompson fluids (BZT) are characterized by negative values of the
fundamental derivative of gasdynamics for a range of temperatures and pressures in the …

Siloxanes: a new class of candidate Bethe-Zel'dovich-Thompson fluids

P Colonna, A Guardone, NR Nannan - Physics of Fluids, 2007 - pubs.aip.org
This paper presents a new class of Bethe-Zel'dovich-Thompson fluids, which are expected
to exhibit nonclassical gasdynamic behavior in the single-phase vapor region. These are the …

Investigation of non-ideal gas flows around a circular cylinder

C Matar, P Cinnella, X Gloerfelt, F Reinker… - Energy, 2023 - Elsevier
The aerodynamic performance of a cylinder Pitot probe for velocity measurements in
compressible non-ideal gas flows, such as those encountered in Organic Rankine Cycle …

Inviscid and viscous aerodynamics of dense gases

P Cinnella, PM Congedo - Journal of Fluid Mechanics, 2007 - cambridge.org
A numerical investigation of transonic and low-supersonic flows of dense gases of the Bethe–
Zel'dovich–Thompson (BZT) type is presented. BZT gases exhibit, in a range of …

Numerical investigation of dense-gas effects in turbomachinery

PM Congedo, C Corre, P Cinnella - Computers & Fluids, 2011 - Elsevier
The present work is devoted to the numerical study of dense gas flows in turbomachinery
and the assessment of their interest as working fluids in energy-conversion cycles. A …

Real-gas effects: The state of the art of organic Rankine cycles

O Nematollahi, KC Kim - Journal of Cleaner Production, 2020 - Elsevier
Abstract Organic Rankine Cycles (ORC) are one of the most notable methods for waste heat
recovery at low to medium temperatures which leads to a cleaner environment. Organic …