Formulation of nanofluid from carbon nanoparticle based for natural convective heat transfer application

Syed Zulkarnain, Syed Saidin (2013) Formulation of nanofluid from carbon nanoparticle based for natural convective heat transfer application. Project Report. UTeM, Melaka. (Submitted)

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Abstract

This report is focusing on formulating nanofluid from carbon nanoparticles based for natural convective heat transfer application. This project carried out the aim to design and formulate stable of nanofluid with additional of carbon nanoparticles and to improve heat transfer convection of the nanofluid by 10%. This project based on formulate nanofluid using carbon nanotubes namely Pyrograph HHT 24 carbon nanotube. The nanofluid is formulate by using various ratio of carbon nanotubes and dispersing agent namely Polyvinylpyrolidone (PVP). Then the stability test of the nanofluid has been carried through experiment process. The heat transfer also being tested at three different temperatures which is 6°C, 25°C and 40°C. Heat transfer analyzer machine was used to test the heat transfer. The formulating of nanofluid started by mix the carbon nanotube and dispersing agent into based water. Then the mixture needs to homogenize by using homogenizer machine at 10000 rpm for one minute. Then ultrasonic machine was be used to avoid the particles in nanofluid coagulate by alglomeration process. Then pH value being checked and being adjust the nanofluid using sodium hydroxide (NaOH). The nanofluid are been leave for 100 hours. Lastly, heat transfer analysis test takes place. Nanofuid with 0.1 wt%, 0.2 wt%, 0.4 wt%, 0.5 wt%, 0.6 wt%, 0.8 wt%, and 1.0wt% of carbon nanotube being choose to test the heat transfer. 0.5 wt% of carbon nanotube shows optimum result at every each of temperature. As coclusion nanofluid with high heat transfer coefficient has highly potential in industry such as cooling application, energy application, mechanical application, and biomedical application.

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