scholarly journals Improving insulation and thermal conductivity of anodic coating by plasma discharge treatment

AIP Advances ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 025334
Author(s):  
Song Wei ◽  
Liu Dong-jie ◽  
Liu Can-can ◽  
Jiang Bai-ling
2021 ◽  
Vol 12 (1) ◽  
pp. 58
Author(s):  
Mohammad Zeagham ◽  
Tariq Mohammad Jadoon ◽  
Mohammad Iqbal Qureshi ◽  
Basit Qureshi ◽  
Syed Sabir

Nanofluids are considered as the next generation of dielectric fluids due to their higher thermal conductivity and dielectric properties. In this investigation, locally produced ester oils, such as rice bran oil (RBO) and jatropha oil (JO), were compared with mineral oil (MO). Initially, hydrophilic SiO2 nano particles were used to prepare nanofluids using RBO and MO. However, results showed that with loading of nanoparticles (NPs) up to 0.075 g/L, the dielectric strength (DS) of MO based NFs increased but decreased drastically with further increase in loading as these suffered agglomeration and sedimentation in less than 72 h. To overcome this drawback, NPs were functionalized under plasma discharge. These efforts also did not yield many favorable results. Instead, hydrophobic fumed silica NPs grafted with hexamethyldi-siloxane (HMDS) were utilized for further study. Plasma treated NFs exhibited improved DS, as well as excellent dispersibility and stability.


2001 ◽  
Vol 4 (3) ◽  
pp. 220-225 ◽  
Author(s):  
Mutsumi Takagi ◽  
Toshihide Haraguchi ◽  
Hisanori Kawai ◽  
Kouji Shiwaku ◽  
Takeomi Inoue ◽  
...  

2006 ◽  
Vol 97 (2) ◽  
pp. 111-117 ◽  
Author(s):  
Kh. El-Nagar ◽  
M. A. Saudy ◽  
A. I. Eatah ◽  
M. M. Masoud

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