Boiling Phenomenon of Graphene Nano-Coating Wick Heat Pipe

Abstract

Experiment of nano-capillary boiling phenomenon of graphene nano-based heat pipe on water as working fluids have been carried out. The coating process is carried out by performing an electrophoretic deposition process using graphene nanofluid. Graphene nanofluid was made by heating and stirring for 15 minutes in a solution consisting of graphene and distilled water with a fraction volume of 1%, then followed by an EPD process by dipping a copper pipe into a nanofluid which was given a platinum anode and 23 volt of electricity for 15 seconds. Boiling phenomena can be observed from the results of data retrieval through high-speed visualization cameras while observing thermal performance through temperature data retrieval. Based on the results obtained, the nanocoated heat pipe thermal performance is better than the uncoated heat pipe. The nanocoated heat pipe could handle higher heat flux as shown by the boiling curve at lower temperature difference between heat pipe surface and the saturated water, higher heat transfer coefficient about 215% than the uncoated heat pipe which indicates that the heat transfer phenomena occurred in nanocoated heat pipe is better than uncoated heat pipe. The bubble diameter that formed in the boiling process of nanocoated heat pipe is smaller and released faster than the uncoated heat pipe.

Future Prospect of Plumbene: A Review

“…As of now, two dimensional materials in groups IV and V are favourable applicant for the quantum spin hall effect characterized by using an insulating bulk-gap and gapless edge states at its boundaries due to time-reversal symmetry (TRS) 55) , hence giving the alluring ideas to unique quantum electronic devices with low energy dissipation. Earlier studies have proved that2D group IV elements, such as graphene 63,64) , silicene 65,66) , germanene 67,68) , and stanene 69,70) are topological insulators 55) but plumbene is considered as a normal band insulator due to excessive strong SOC effect 22) .…”

Performance Comparative of Modified Jatropha Based Nanofluids in Orthogonal Cutting Process

“…Moreover, the advancement of nanotechnology has gained significant attention in various industrial applications [10][11][12][13][14] . Recently, nanofluids have been introduced as a new production of lubricant since the existing lubricant was inefficiency to play their role as an anti-friction and wear protection agent during the operation process.…”

Ultra-Thin Liquid Film with Shear and the Influences on Thermal Energy Transfer at Solid–Liquid Interfaces of Simple Liquid Methane in Contact With (110) Surface Structure of Face-Centred Cubic Lattice (FCC)

“…The lubrication system is a system related to the contact interface between solid and liquid. The system has been utilised in vast engineering applications such as in lubrications and coatings [1][2][3][4][5], adsorption behaviour of liquid in contact with solid [6][7], In nano-fluid at the contact interfaces between nano-particle and base fluid [8][9], phase change material [10], Two phase flow gas and liquid [11] which is in relation to solid-liquid interfaces, surface treatment [12], water desalination process [13], thermal interface materials [14][15][16] and electronic cooling [17][18]. The contact interface between solid and liquid is represented as the interfaces of solid-liquid (S-L).…”