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Title: Experimental investigations of heat transfer and pressure drop on chevron plate heat exchanger using al2o3 water nanofluid
Researcher: Rajasekaran S
Guide(s): Christ Raj W
Keywords: Engineering and Technology
Engineering Mechanical
Heat transfer
X- ray diffraction
University: Anna University
Completed Date: 2019
Abstract: Recent research studies on heat transfer enhancement are a process of improving the performance of a heat transfer system So far many researchers made a number of attempts to reduce the size of the heat exchangers and to increase the heat transfer rate The increase of heat transfer coefficient generally increases the heat transfer enhancement The conventional heat transfer fluid has low thermal conductivity that limits the heat transfer performance Suspension of solid particle with base fluid is one of an innovative way to increase the thermal performance in heat exchanger The term nanofluid is a new kind of heat transfer medium with nano particle size of 1100 nm are uniformly and stably distributed in a base fluid which increases the convective heat transfer than traditional heat transfer fluids In this investigation the Al2O3 water nanofluid are taken to study the heat transfer characteristics and pressure drop on plate heat exchanger The required Al2O3 water nanofluid is prepared for 0125 0 25 0 375 and 0 5 volume concentration using aluminium oxide and deionized water by two step method The dry aluminium oxide particles have been characterized by using X ray diffraction XRD and Scanning Electron Microscope SEM The average size of aluminum oxide is in between 45 50 nm and the particles are uniformly dispersed in base fluid The thermal conductivity and viscosity of the prepared Al2O3 water nanofluid was measured by using KD2 Pro thermal property analyzer and Brookfield Viscosity respectively The thermal conductivity and viscosity increases with increasing particle volume concentration for all four samples The stability of nanofluid has been studied by using UV visible spectrophotometer newline
Pagination: xxii,171p
Appears in Departments:Faculty of Mechanical Engineering

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04_acknowledgements.pdf16.95 kBAdobe PDFView/Open
05_contents.pdf129.45 kBAdobe PDFView/Open
06_list_of_tables.pdf177.05 kBAdobe PDFView/Open
07_list_of_figures.pdf17.71 kBAdobe PDFView/Open
08_list_of_abbreviations.pdf231.04 kBAdobe PDFView/Open
09_chapter1.pdf25.51 kBAdobe PDFView/Open
10_chapter2.pdf334.86 kBAdobe PDFView/Open
11_chapter3.pdf203.59 kBAdobe PDFView/Open
12_chapter4.pdf756.79 kBAdobe PDFView/Open
13_chapter5.pdf1.14 MBAdobe PDFView/Open
14_chapter6.pdf1.51 MBAdobe PDFView/Open
15_conclusion7.pdf19.48 kBAdobe PDFView/Open
16_appendices.pdf557.97 kBAdobe PDFView/Open
17_references.pdf320.94 kBAdobe PDFView/Open
18_list_of_publications.pdf292.85 kBAdobe PDFView/Open
80_recommendation.pdf169.29 kBAdobe PDFView/Open

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