Investigations on pool boiling critical heat flux, transient characteristics and bonding strength of heater wire with aqua based reduced graphene oxide nanofluids

doi:10.1016/j.cjche.2017.12.006

Chin.J.Chem.Eng. ›› 2018, Vol. 26 ›› Issue (3): 445-454.DOI: 10.1016/j.cjche.2017.12.006

• Fluid Dynamics and Transport Phenomena • Previous Articles Next Articles

Investigations on pool boiling critical heat flux, transient characteristics and bonding strength of heater wire with aqua based reduced graphene oxide nanofluids

R. Kamatchi¹, G. Kumaresan²

1 School of Mechanical Engineering, VIT University, Vellore Institute of Technology 632014, Tamil Nadu, India;
2 Department of Mechanical Engineering, Bannari Amman Institute of Technology, Sathyamangalam 638401, Tamil Nadu, India

Received:2017-06-06 Revised:2017-12-09 Online:2018-04-18 Published:2018-03-28
Contact: R. Kamatchi

Investigations on pool boiling critical heat flux, transient characteristics and bonding strength of heater wire with aqua based reduced graphene oxide nanofluids

R. Kamatchi¹, G. Kumaresan²

1 School of Mechanical Engineering, VIT University, Vellore Institute of Technology 632014, Tamil Nadu, India;
2 Department of Mechanical Engineering, Bannari Amman Institute of Technology, Sathyamangalam 638401, Tamil Nadu, India

通讯作者: R. Kamatchi

Abstract

Abstract: In the present work, the pool boiling critical heat flux, transient heat transfer characteristics, and bonding strength of thin Ni-Cr wire with aqua based reduced graphene oxide (rGO) nanofluids are experimentally studied. Results indicate:(i) the critical heat flux (CHF) of 0.01, 0.05, 0.1, 0.2, and 0.3 g·L^-1 concentrations of rGO-water nanofluids varies from 1.42 to 2.40 MW·m^-2; (ii) the CHF remains same for the tested samples during transient heat transfer studies and (iii) a constant value of CHF upto 10 tests when the nanocoated Ni-Cr wire is tested with DI water and deterioration occurs beyond this which implies a chance of peel off of rGO layer below the critical coating thickness.

Key words: Reduced graphene oxide, Pool boiling, Nanoparticle deposition, Transient characteristics

摘要： In the present work, the pool boiling critical heat flux, transient heat transfer characteristics, and bonding strength of thin Ni-Cr wire with aqua based reduced graphene oxide (rGO) nanofluids are experimentally studied. Results indicate:(i) the critical heat flux (CHF) of 0.01, 0.05, 0.1, 0.2, and 0.3 g·L^-1 concentrations of rGO-water nanofluids varies from 1.42 to 2.40 MW·m^-2; (ii) the CHF remains same for the tested samples during transient heat transfer studies and (iii) a constant value of CHF upto 10 tests when the nanocoated Ni-Cr wire is tested with DI water and deterioration occurs beyond this which implies a chance of peel off of rGO layer below the critical coating thickness.

关键词: Reduced graphene oxide, Pool boiling, Nanoparticle deposition, Transient characteristics

R. Kamatchi, G. Kumaresan. Investigations on pool boiling critical heat flux, transient characteristics and bonding strength of heater wire with aqua based reduced graphene oxide nanofluids[J]. Chin.J.Chem.Eng., 2018, 26(3): 445-454.

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Investigations on pool boiling critical heat flux, transient characteristics and bonding strength of heater wire with aqua based reduced graphene oxide nanofluids

Investigations on pool boiling critical heat flux, transient characteristics and bonding strength of heater wire with aqua based reduced graphene oxide nanofluids

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