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Title: Experimental Investigation on Performance of silver Nanofliud in Absorber/Receiver of Parabolic trough collector
Authors: Waghole, DR
Warkhedkar, RM
Kulkarni, VS
4th Micro and Nano Flows Conference (MNF2014)
Keywords: Nano flow;Nanocirculation;Convection;Performance
Issue Date: 2014
Publisher: Brunel University London
Citation: 4th Micro and Nano Flows Conference, University College London, UK, 7-10 September 2014, Editors CS König, TG Karayiannis and S. Balabani
Series/Report no.: ID 208
Abstract: This experimental investigation presents synthesis and characterizations of silver Nanoparticle. This study also deals with improvement in performance of absorber/Receiver using silver nanoparticle dispersed in DI water (De-Ionized water).The silver nanoparticle suspended in conventional fluid have superior heat transfer capabilities .The absorber of parabolic trough collector is tested for heat input ranging from 50 W/²-600 W/m² in four steps which is suitable for removing heat from solar system, process industries, power plants, automobile systems marine systems etc. The effect of various operational limits and test parameters such as heat input, volume fraction, fluid temperature, heat transfer coefficient are experimentally investigated. The silver nanoparticle is tested for volume concentration in the range of 0≤ Ф≤0.1 %, 500 ≤Re ≤6000, experimentally with average silver nanapartice diameter 10nm-400nm. The Characterizations of silver nanoparticle is carried out using TEM, UV and SEM methodology for required sample of silver nanoparticle. The experimental results are evaluated in terms of performance matrices by direct measurements of fluid temperature and surface temperature in the absorber. A substantial reduction in thermal resistance of 23.152% observed for 0.00011% concentration of silver nanoparticle. The Nussult number for absorber of parabolic trough collector with silver nanofliud varied from 1.25 to 2.10 times in comparison that of water.
Description: This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the Process Intensification Network, the Institution of Mechanical Engineers, the Heat Transfer Society, HEXAG - the Heat Exchange Action Group, and the Energy Institute, ASME Press, LCN London Centre for Nanotechnology, UCL University College London, UCL Engineering, the International NanoScience Community,
ISBN: 978-1-908549-16-7
Appears in Collections:Brunel Institute for Bioengineering (BIB)
The Brunel Collection

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