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Mostrando ítems 1-6 de 6

Investigation of the effects of turbulence modeling on the prediction of compression-ignition combustion unsteadiness

Broatch, A.; Novella Rosa, Ricardo; GARCIA TISCAR, JORGE; Gómez-Soriano, Josep; Pal, P. (SAGE Publications, 2022-04)

[EN] Adverse effects of global warming due to the greenhouse gas emissions is changing the actual paradigm for the use energy resources. In the absence of a mid-term solution for reducing these emissions in transportation, ...
Local flow measurements in a turbocharger compressor inlet

Torregrosa, A. J.; Broatch, A.; Margot, Xandra Marcelle; García Tíscar, Jorge; Narvekar, Y.; Cheung, R. (Elsevier, 2017)

[EN] This paper describes an experimental study carried out with the objective of characterizing flow instabilities in turbocharger compressors, specially the distribution of the high-temperature compressed back flow that ...
Measuring turbocharger compressor inlet backflow through particle image velocimetry

Torregrosa, A. J.; Broatch, A.; Pastor, José V.; GARCIA TISCAR, JORGE; Sharma, Raj K.; Cheung, R. (Elsevier, 2018-12)

[EN] An experimental measurement campaign is presented where particle image velocimetry (PIV) was used in an effort to characterize the velocity field in a turbocharger compressor when unstable operating conditions lead ...
Modal decomposition of the unsteady flow field in compression-ignited combustion chambers

Torregrosa, A. J.; Broatch, A.; Garcia Tiscar, Jorge; Gómez-Soriano, Josep (Elsevier, 2018-02)

[EN] In this paper, the unsteady behaviour of a compression-ignited (CI) engine combustion chamber is studied by analysing the results of a Computational Fluid Dynamics (CFD) model through the application of different flow ...
Numerical Methodology for Optimization of Compression-Ignited Engines Considering Combustion Noise Control

Broatch, A.; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Pinaki, Pal; Som, Sibendu (SAE International, 2018-04-03)

[EN] It is challenging to develop highly efficient and clean engines while meeting user expectations in terms of performance, comfort and drivability. One of the critical aspects in this regard is combustion noise control. ...
On the influence of inlet elbow radius on recirculating backflow, whoosh noise and efficiency in turbocharger compressors

Broatch, A.; Ruiz, S.; Garcia Tiscar, Jorge; Roig-Villanueva, Ferran (Elsevier, 2018)

[EN] While the influence of inlet geometry on turbocharger compressor behaviour has usually been investigated in terms of performance, surge margin and efficiency, data is scarce regarding the impact of the inlet flow field ...