Title : ( Synthesis of aspartic acid-treated multi-walled carbon nanotubes based water coolant and experimental investigation of thermal and hydrodynamic properties in circular tube )
Authors: Mehdi Shanbedi , Saeed Zeinali Heris , Ahmad Amiri , Ebrahim Hosseinipour , Hossein Eshghi , S.N. Kazi ,
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Abstract
Aspartic acid as a hydrophilic group is added to the main structure of multi-walled carbon nanotubes (MWNT) for synthesizing highly-dispersed MWNT-based water nanofluids with different concentrations. Chemical treatment is analyzed and functionalization is confirmed by TGA, FTIR, Raman spectroscopes. The present study is followed by investigation of thermo-physical properties as well as heat transfer rate of circular tube at constant heat flux in the presence of non-covalently and covalently-functionalized MWNT with aspartic acid. The prepared nanofluids in three weight concentrations of 0.05, 0.1 and 0.2% are investigated in the flow rate range of 2.86 to 8.85 ml/s. Thermophysical properties, convective heat transfer coefficient, pressure drop, friction factor, performance index and pumping power results suggest that functionalized MWNT with aspartic acid is one of the most appropriate alternative coolant for water in industry.
Keywords
, Carbon nanotubes, Functionalization, Amino acid, Heat transfer coefficient, Pressure drop, Friction factor
@article{paperid:1049232,
author = {Shanbedi, Mehdi and Zeinali Heris, Saeed and Ahmad Amiri and Hosseinipour, Ebrahim and Eshghi, Hossein and S.N. Kazi},
title = {Synthesis of aspartic acid-treated multi-walled carbon nanotubes based water coolant and experimental investigation of thermal and hydrodynamic properties in circular tube},
journal = {Energy Conversion and Management},
year = {2015},
volume = {105},
number = {1},
month = {November},
issn = {0196-8904},
pages = {1366--1376},
numpages = {10},
keywords = {Carbon nanotubes; Functionalization; Amino acid; Heat transfer coefficient; Pressure drop; Friction factor},
}
%0 Journal Article
%T Synthesis of aspartic acid-treated multi-walled carbon nanotubes based water coolant and experimental investigation of thermal and hydrodynamic properties in circular tube
%A Shanbedi, Mehdi
%A Zeinali Heris, Saeed
%A Ahmad Amiri
%A Hosseinipour, Ebrahim
%A Eshghi, Hossein
%A S.N. Kazi
%J Energy Conversion and Management
%@ 0196-8904
%D 2015
