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Recommended Papers for: Jian Liu

Total Papers Found: 3

Novel slurry containing graphene oxide-grafted microencapsulated phase change material with enhanced thermo-physical properties and photo-thermal performance

This paper focuses on the creation of a new composite phase change material, paraffin-silica (SiO2)/graphene oxide (GO) through a two step process for potential use as a heat transfer fluid in direct absorption solar collectors. The resulting composite is composed of spherical capsules, and has the GO embedded within the SiO2 shell. Thermal conductivity testing with the TPS instrument revealed that the composites had excellent thermal characteristics and stability. ...

Author(s): , , , ,

Thermodynamic properties and thermal stability of ionic liquid-based nanofluids containing graphene as advanced heat transfer fluids for medium-to-high-temperature applications

The purpose of this study was to measure the thermodynamic properties of 1-hexyl-3-methylimidazolium tetrafluoroborate ([HMIM]BF4) and its graphene-dispersed ionic liquid based nanofluids (Ionanofluids) from room temperature to 200 °C. A thermal analyzer measured the thermal conductivity of the samples using the transient plane source (TPS) method. Results showed that the thermal conductivity of [HMIM]BF4 and the GE-dispersed Ionanofluids increased linearly with temperature, and with mass particle fraction. It ...

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Improving the accuracy of the transient plane source method by correcting probe heat capacity and resistance influences

The researchers propose an improvement in the theory of the transient plane source (TPS) technique. They claim that Gustafsson has ignored the contribution of the electrical resistance charge of the nickel double spiral and the heat capacity of the polyimide film surrounding the nickel spiral. The researchers developed improved mathematical equations to supposedly improve the accuracy of the technique by 1.8 to 2.3%....

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