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Experimental investigation of a pulsating heat pipe using ferrofluid (magnetic nanofluid) / Maziar Mohammadi in Journal of heat transfer, Vol. 134 N° 1 (Janvier 2012) 

Public ISBD [article]  in Journal of heat transfer > Vol. 134 N° 1 (Janvier 2012) . - 03 p. Titre : Experimental investigation of a pulsating heat pipe using ferrofluid (magnetic nanofluid) Type de document : texte imprimé Auteurs : Maziar Mohammadi, Auteur ; Mohammad Mohammadi, Auteur ; M. B. Shafii, Auteur Année de publication : 2012 Article en page(s) : 03 p. Note générale : Heat transfer Langues : Anglais (eng) Mots-clés : Heat  pipes  Magnetic  fluids  Magnetohydrodynamics  Nanofluidics  Pulsatile  flow  Thermal  resistance Index. décimale : 536 Chaleur. Thermodynamique Résumé : In this work, a four-turn pulsating heat pipe (PHP) is fabricated and tested experimentally. The novelty of the present PHP is the capability to obtain various thermal performances at a specific heat input by changing the magnetic field. The effects of working fluid (water and ferrofluid), charging ratio (40% and 70%), heat input (35, 45, 55, 65, 75, and 85 W), orientation (horizontal and vertical heat mode), ferrofluid volumetric concentration (2.5% and 7%), and magnetic field on the thermal performance of PHPs are investigated. The results showed that applying the magnetic field on the water-based ferrofluid reduced the thermal resistance of PHP in all orientations. In the presence of a magnetic field, the best thermal performance was achieved at the higher charging ratios (70%) in all orientations. DEWEY : 536 ISSN : 0022-1481 En ligne : http://www.asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO00013400 [...] [article] Experimental investigation of a pulsating heat pipe using ferrofluid (magnetic nanofluid) [texte imprimé] / Maziar Mohammadi, Auteur ; Mohammad Mohammadi, Auteur ; M. B. Shafii, Auteur . - 2012 . - 03 p. Heat transfer Langues : Anglais (eng) in Journal of heat transfer > Vol. 134 N° 1 (Janvier 2012) . - 03 p. Mots-clés : Heat  pipes  Magnetic  fluids  Magnetohydrodynamics  Nanofluidics  Pulsatile  flow  Thermal  resistance Index. décimale : 536 Chaleur. Thermodynamique Résumé : In this work, a four-turn pulsating heat pipe (PHP) is fabricated and tested experimentally. The novelty of the present PHP is the capability to obtain various thermal performances at a specific heat input by changing the magnetic field. The effects of working fluid (water and ferrofluid), charging ratio (40% and 70%), heat input (35, 45, 55, 65, 75, and 85 W), orientation (horizontal and vertical heat mode), ferrofluid volumetric concentration (2.5% and 7%), and magnetic field on the thermal performance of PHPs are investigated. The results showed that applying the magnetic field on the water-based ferrofluid reduced the thermal resistance of PHP in all orientations. In the presence of a magnetic field, the best thermal performance was achieved at the higher charging ratios (70%) in all orientations. DEWEY : 536 ISSN : 0022-1481 En ligne : http://www.asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO00013400 [...]