Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks

Sudha G.; Parthiban R.

doi:10.1016/j.cjche.2019.06.006

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Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks

Materials and Product Engineering | Updated：2026-01-06

- Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks
- Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks
- 中国化学工程学报（英文版） 2020年28卷第3期页码：913-922
- Affiliations：
  
  1. Department of Chemical Engineering, Sri Venkateswara College of Engineering, Pennalur, Tamilnadu 7,India,602 11
  2. Department of Chemical Engineering, SSN College of Engineering, Kalavakkam, Tamilnadu 0,India,603 11
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.06.006
  中图分类号：
- 纸质出版：2020
- Accepted：
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Sudha G., Parthiban R.. Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks[J]. 中国化学工程学报（英文版）, 2020,28(3):913-922.

Sudha G., Parthiban R.. Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks[J]. Chinese Journal of Chemical Engineering, 2020, 28(3): 913-922.
Sudha G., Parthiban R.. Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks[J]. 中国化学工程学报（英文版）, 2020,28(3):913-922. DOI： 10.1016/j.cjche.2019.06.006.

Sudha G., Parthiban R.. Synthesis and characterization of hybrid graphene nanocoolant for heat transfer dissipation in microchannel heat sinks[J]. Chinese Journal of Chemical Engineering, 2020, 28(3): 913-922. DOI： 10.1016/j.cjche.2019.06.006.

摘要

Abstract

An attempt is made to examine the effect of hybrid nanocoolant in microchannel heat sink for computer cooling. Two-hybrid coolants with graphene as one of the prime components are synthesized and images of the particles are shown using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Heat transfer properties like thermal conductivity of the hybrid fluid

specific heat

density

and viscosity are evaluated experimentally and theoretically. The heat transfer characteristics are also studied in heat sink channels of micro level in the processors of personal computers. The parameters like internal heat transfer coefficient

thermal resistances and base temperature representing the processor temperature are examined for the applied heater power of 325 W. The coolant dilution was varied in the range of 0.05 vol%

0.075 vol% and 0.1 vol% and the base temperature is noted. The recorded lowest base temperature is 310.01 K for the concentration of 0.1 vol% graphene-iron oxide (GFO) system for 0.5 mm fin spacing for the graphene-iron oxide hybrid coolant and for graphene oxide-iron oxide (GOFO) hybrid coolant it is 311.24 K for the same operating conditions.

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