Cafiero, Gioacchino (2016) Three-dimensional organization and heat transfer of jets with fractal generated turbulence. [Tesi di dottorato]

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Item Type: Tesi di dottorato
Resource language: English
Title: Three-dimensional organization and heat transfer of jets with fractal generated turbulence
Creators:
Creators
Email
Cafiero, Gioacchino
gioacchino.cafiero@unina.it
Date: 25 March 2016
Number of Pages: 181
Institution: Università degli Studi di Napoli Federico II
Department: Ingegneria Industriale
Scuola di dottorato: Ingegneria industriale
Dottorato: Ingegneria aerospaziale, navale e della qualità
Ciclo di dottorato: 28
Coordinatore del Corso di dottorato:
nome
email
de Luca, Luigi
luigi.deluca@unina.it
Tutor:
nome
email
Astarita, Tommaso
UNSPECIFIED
Discetti, Stefano
UNSPECIFIED
Date: 25 March 2016
Number of Pages: 181
Keywords: Jets; Fractal Turbulence; Convective Heat transfer enhancement
Settori scientifico-disciplinari del MIUR: Area 09 - Ingegneria industriale e dell'informazione > ING-IND/06 - Fluidodinamica
Date Deposited: 11 Apr 2016 09:52
Last Modified: 31 Oct 2016 10:06
URI: http://www.fedoa.unina.it/id/eprint/10731

Collection description

Fractal grids have represented a significant breakthrough in the study of turbulence theories thank to their peculiar properties. They indeed are capable of generate an elongated turbulence production region with a peak modeled as a function of the grid geometry. This feature is particularly appealing for many applications where the necessity of a high turbulence intensity level is an asset. The present research focuses on the investigation of fractal generated turbulence in free and impinging jets. The flow field, in both configurations, is experimentally characterized by means of state of the art Tomographic PIV. The convective heat transfer features are evaluated using InfraRed Thermography.

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