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Browsing by Author "García Tíscar, Jorge"

Now showing items 1-20 of 28

Acoustic and pressure characteristics of a ported shroud turbocompressor operating at near surge conditions

Sharma, Sidharath; Broatch, A.; GARCIA TISCAR, JORGE; Nickson, Ambrose K.; Allport, John M. (Elsevier, 2019-05)

[EN] The operation of compressor at lower mass flow rates is limited by surge which is marked by large fluctuations in operational variables and accompanied by significant increase in noise. Ported shroud casing treatment ...
Acoustic characterisation of a small high-speed centrifugal compressor with casing treatment: an experimental study

Sharma, Sidharath; Broatch, A.; GARCIA TISCAR, JORGE; Allport, John M.; Nickson, Ambrose K. (Elsevier, 2019-12)

[EN] With the advancements in manufacturing, materials and computational methods, turbomachinery designs have become more efficient providing higher specific power and reliability with lower weight and cost. The rotational ...
Acoustic characteristics of a ported shroud turbocompressor operating at design conditions

Sharma, Sidharath; Broatch, A.; GARCIA TISCAR, JORGE; Allport, John M.; Nickson, Ambrose K. (SAGE Publications, 2020-10)

[EN] In this article, the acoustic characterisation of a turbocharger compressor with ported shroud design is carried out through the numerical simulation of the system operating under design conditions of maximum isentropic ...
Acoustic characterization of automotive turbocompressors

Torregrosa, A. J.; Broatch Jacobi, Jaime Alberto; Navarro García, Roberto; García Tíscar, Jorge (SAGE Publications (UK and US), 2015-01)

The performance of different experimental techniques proposed in the literature for acoustic characterization was assessed through the study of the noise generated by the compressor of an automotive turbocharger under ...
Análisis experimental del impacto de la geometría del conducto de entrada de turbocompresores en el ruido de boca

Rubio Latorre, Álvaro (Universitat Politècnica de València, 2017-06-01)

Consulta en la Biblioteca ETSI Industriales (Riunet)
Avances en la investigación aeroacústica de turbocompresores centrífugos

García Tíscar, Jorge (Universitat Politècnica de València, 2015-06-02)

[EN] The present work addresses the necessity of accurate and reliable characterization of the noise produced by the turbocomrpessors of reciprocating internal combustion engines. Experimental research on the matter has ...
Dynamic mode decomposition of the acoustic field in radial compressors

Broatch, A.; GARCIA TISCAR, JORGE; Roig-Villanueva, Ferran; Sharma, Sidharath (Elsevier, 2019-07)

[EN] Widely recognized since the beginning of air travel as a major issue, noise reduction remains nowadays a pressing concern for all stakeholders in the aviation industry. While aeroengine compressors, specially at the ...
Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor

Sharma, Sidharath; GARCIA TISCAR, JORGE; Allport, John M.; Barrans, Simon; Nickson, Ambrose K. (SAGE Publications, 2020-08)

[EN] Centrifugal turbomachines of smaller sizes operating at higher speeds have become pervasive due to the increased specific power and reliability achieved by improvements in manufacturing, materials and computational ...
Estudio de la interacción fluido-estructura en placas delgadas

Cabo Puerta, Laura (Universitat Politècnica de València, 2021-01-11)

[ES] Este proyecto tiene como objetivo realizar un análisis de interacción fluido estructura de placas de pequeño espesor. Para ello se ha comenzado con el diseño de una placa de geometría rectangular unida a una barra que ...
Estudio de la interacción fluido-estructura en una placa plana en condiciones de acoplamiento unidireccional

Sánchez Moreno, Francisco (Universitat Politècnica de València, 2019-06-28)

[EN] In the present study an analysis about Fluid-Structure Interaction (FSI) is carried out.The geometry is a rectangular flat plate which is attached by one of its sides to a squarecross section bar. This bar is in charge ...
Evaluation of modelling parameters for computing flow-induced noise in a small high-speed centrifugal compressor

Sharma, Sidharath; GARCIA TISCAR, JORGE; Allport, John M.; Barrans, Simon; Nickson, Ambrose K. (Elsevier, 2020-03)

[EN] Developments in computing infrastructure and methods over the last decade have enhanced the potential of numerical methods to reasonably predict the aerodynamic noise. The generation and propagation of the flow induced ...
Experimental analysis of cyclical dispersion in compression-ignited versus spark-ignited engines and its significance for combustion noise numerical modeling

Broatch, A.; López, J. Javier; Garcia Tiscar, Jorge; Gómez-Soriano, Josep (ASME International, 2018-10)

[EN] As noise pollution remains one of the biggest hurdles posed by thermal engines, increasing efforts are made to alleviate the generation of combustion noise from the early design stage of the chamber. Since the complexity ...
Experimental methodology for turbocompressor in-duct noise evaluation based on beamforming wave decomposition

Torregrosa, A. J.; Broatch Jacobi, Jaime Alberto; Margot , Xandra; García Tíscar, Jorge (Elsevier, 2016-08-18)

An experimental methodology is proposed to assess the noise emission of centrifugal turbocompressors like those of automotive turbochargers. A step-by-step procedure is detailed, starting from the theoretical considerations ...
Experimental verification of hydrodynamic similarity in hot flows

Torregrosa, A. J.; Broatch, A.; GARCIA TISCAR, JORGE; Roig-Villanueva, Ferran (Elsevier, 2020-11-01)

[EN] This paper examines a common hypothesis in the design of internal combustion engine exhaust lines, namely that the ratio of the total pressure drop across the line to the inlet dynamic head should be a function only ...
Experiments on turbocharger compressor acoustics

García Tíscar, Jorge (Editorial Universitat Politècnica de València, 2017-04-07)

As turbocharging requirements raise to face an increasingly stricter environmental regulation of internal combustion engines, concerns regarding their acoustic emission become more pressing. Since downsized engines require ...
Impact of simple surge-enhancing inlet geometries on the acoustic behaviour of a turbocompressor

Broatch, A.; Margot, Xandra; Garcia Tiscar, Jorge; Roig-Villanueva, Ferran (SAGE Publications, 2018)

[EN] This paper reports the results of an experimental campaign where four different inlet geometries for the compressor of an automotive turbocharger were acoustically characterized. These four geometries (a straight pipe ...
Improving the specific instrumental transversal skill of Aerospace Engineers through a lab experience

Novella Rosa, Ricardo; García-Tíscar, Jorge; Micó Reche, Carlos; Gomez-Soriano, Josep (Editorial Universitat Politècnica de València, 2021-02-08)

[EN] This paper proposes an educational methodology for the development of the specific instrumental soft skill in Aerospace Engineering degree students. This methodology uses an autonomous and active learning approach to ...
Interfaz gráfica para el procesado y optimización de señales del banco de impulsos para de la respuesta de silenciadores de motores

Giménez Bolinches, Albert (Universitat Politècnica de València, 2017-05-03)

El IU CMT-Motores Térmicos oferta un TFM consistente en el desarrollo de una interfaz gráfica en MatLab y optimización de un sistema para el procesamiento de las señales adquiridas en un banco de impulsos, referente a la ...
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 ...