Energy loss of radial inflow turbine for organic Rankine cycle using mixture based on entropy production method

Z Wang, B Xie, X Xia, H Yang, Q Zuo, Z Liu - Energy, 2022 - Elsevier
The radial inflow turbine is the core component of the organic Rankine cycle (ORC) system.
Based on the internal flow field of the turbine analyzed by computational fluid dynamics …

[HTML][HTML] Advanced exergy analysis of a Reverse Brayton cycle using air as working fluid for cryogenic purposes

JR Serrano, V Dolz, A Gómez-Vilanova… - International Journal of …, 2024 - Elsevier
The global push to reduce greenhouse gas emissions has led to the ban of high global
warming potential (GWP) refrigerants in the refrigeration sector, prompting the adoption of …

Towards desensitization of gas turbine performance to tip Clearance: Design optimization and engine analysis

V Andreoli, G Paniagua, M Bloxham - Energy Conversion and Management, 2021 - Elsevier
Increased scrutiny on aviation's environmental footprint has precipitated a dramatic increase
in gas turbine technology development, with a focus on engine performance improvements …

Computational study of a radial flow turbine operates under various pulsating flow shapes and amplitudes

A Rezk, S Sharma, S Barrans… - Journal of …, 2021 - asmedigitalcollection.asme.org
Radial flow turbines are extensively used in turbocharging technology due to their unique
capability of handling a wide range of exhaust gas flow. The pulsating flow nature of the …

Assessment of a twin-entry turbine efficiency model including momentum exchange between branches

J Galindo, JR Serrano, LM García-Cuevas… - International Journal of …, 2023 - Elsevier
Radial twin-entry turbines standard maps have limited data available for fitting model
parameters since they usually provide information only at full and partial admission …

A reduced-order model of twin-entry nozzleless radial turbine based on flow characteristics

J Wei, Y Xue, M Yang, K Deng, C Wang, X Wu - Energy, 2021 - Elsevier
Twin-entry radial turbine has evident advantages on energy recovery of internal combustion
engine because of better utilization of exhaust pulse energy. One-dimensional performance …

Numerical analysis of the effects of different rotor tip gaps in a radial turbine operating at high pressure ratios reaching choked flow

J Galindo, A Tiseira, R Navarro, LB Inhestern… - Energies, 2022 - mdpi.com
To operate, radial turbines used in turbochargers require a minimum tip gap between the
rotor blades and the stationary wall casing (shroud). This gap generates leakage flow driven …

Experimental Assessment of a Reverse Brayton Cycle Based on Automotive Turbochargers and E-Chargers for Cryogenic Applications

JR Serrano, V Dolz… - … Expo: Power for …, 2022 - asmedigitalcollection.asme.org
The utilization of automotive engine components for the development of a reverse Brayton
cycle is shown in this study. The well-known characteristics of turbochargers and electrical …

Study on influence of admissions on loss generation in a twin-entry nozzleless radial turbine

J Wei, M Yang, Y Xue, K Deng, C Wang… - Aerospace Science and …, 2022 - Elsevier
Twin-entry radial turbine has an evident advantage of enhancing the output power in
internal combustion engine, while it is confronted by complex inlet conditions because of the …

Development of choked flow in variable nozzle radial turbines

A Tiseira, LM García-Cuevas… - … Journal of Engine …, 2022 - journals.sagepub.com
In commonly applied one-dimensional choking models for radial turbines, choked flow is
assumed to appear in the geometrical throat of each stator and rotor. Coupled and complex …