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Article

Experimental Energy and Exergy Analysis of an Automotive Turbocharger Using a Novel Power-Based Approach

Integrated Modeling of Energy-Efficient Vehicle Powertrains, Technical University Berlin, Secretary CAR-B1, Carnotstrasse 1a, 10587 Berlin, Germany
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Academic Editor: Silvia Marelli
Energies 2021, 14(20), 6572; https://doi.org/10.3390/en14206572
Received: 28 August 2021 / Revised: 2 October 2021 / Accepted: 10 October 2021 / Published: 13 October 2021
(This article belongs to the Special Issue Advanced Boosting Systems)
The performance of turbochargers is heavily influenced by heat transfer. Conventional investigations are commonly performed under adiabatic assumptions and are based on the first law of thermodynamics, which is insufficient for perceiving the aerothermodynamic performance of turbochargers. This study aims to experimentally investigate the non-adiabatic performance of an automotive turbocharger turbine through energy and exergy analysis, considering heat transfer impacts. It is achieved based on experimental measurements and by implementing a novel innovative power-based approach to extract the amount of heat transfer. The turbocharger is measured on a hot gas test bench in both diabatic and adiabatic conditions. Consequently, by carrying out energy and exergy balances, the amount of lost available work due to heat transfer and internal irreversibilities within the turbine is quantified. The study allows researchers to achieve a deep understanding of the impacts of heat transfer on the aerothermodynamic performance of turbochargers, considering both the first and second laws of thermodynamics. View Full-Text
Keywords: turbocharger; turbine; heat transfer; exergy; power-based approach turbocharger; turbine; heat transfer; exergy; power-based approach
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MDPI and ACS Style

Kazemi Bakhshmand, S.; Luu, L.T.; Biet, C. Experimental Energy and Exergy Analysis of an Automotive Turbocharger Using a Novel Power-Based Approach. Energies 2021, 14, 6572. https://doi.org/10.3390/en14206572

AMA Style

Kazemi Bakhshmand S, Luu LT, Biet C. Experimental Energy and Exergy Analysis of an Automotive Turbocharger Using a Novel Power-Based Approach. Energies. 2021; 14(20):6572. https://doi.org/10.3390/en14206572

Chicago/Turabian Style

Kazemi Bakhshmand, Sina, Ly T. Luu, and Clemens Biet. 2021. "Experimental Energy and Exergy Analysis of an Automotive Turbocharger Using a Novel Power-Based Approach" Energies 14, no. 20: 6572. https://doi.org/10.3390/en14206572

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