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Thermal coefficients of Earth fuller reinforced with nano-oxide particles
Nano Express ( IF 2.7 ) Pub Date : 2021-02-19 , DOI: 10.1088/2632-959x/abe454
Gyan Prakash Sharma , Arti Bansal , Ramvir Singh

The present work deals with the study of thermal coefficients of Earth fuller based nanocomposites (EFBNC) with the change in the mass fraction of nano-oxide particles (Al2O3, TiO2) in EF at different temperatures. Thermal Constants Analyser (TPS 2200) has been used to measure thermal conductivity, thermal diffusivity, and specific heat capacity simultaneously of the prepared EFBNC at varying temperatures ranging from 10 C to 60 C in steps of 10 at 2 wt%, 4 wt%, 6 wt%, and 8 wt%. Percentage increment in thermal conductivity of EFBNC with TiO2 was observed approximately 16% and 13% at 30 C and 60 C with the increase in the mass fraction of nanoparticles from 2 wt% to 8 wt%. On the other hand, at the same temperature and concentration, a decrement in thermal conductivity of EFBNC with Al2O3 was noticed approximately 8% and 3%. The decrement in thermal diffusivity of EFBNC with TiO2 was found approximately 23% at 30 C and 11% at 60 C when concentration increases from 2 wt% to 8 wt% and with Al2O3 was approximately 11% and 13% respectively at the same temperature and concentration. Percentage increment in the specific heat of EFBNC with TiO2 and Al2O3 was observed approximately 38% and 9% at 30 C and 26% and 17% at 60 C with increment in the mass fraction of nanoparticles from 2 wt% to 8 wt% in EF.



中文翻译:

用纳米氧化物颗粒增强的地球富勒的热系数

目前的工作是研究地球富勒基纳米复合材料 (EFBNC) 的热系数与EF 在不同温度下纳米氧化物颗粒 (Al 2 O 3 , TiO 2 ) 的质量分数的变化。热常数分析仪 (TPS 2200) 已用于同时测量制备的 EFBNC 在 10 C 至 60 C 的不同温度下以 2 wt%、4 wt%、10 步长的热导率、热扩散率和比热容, 6重量%和8重量%。EFBNC 与 TiO 2的热导率增量百分比随着纳米粒子的质量分数从 2 wt% 增加到 8 wt%,在 30 C 和 60 C 观察到大约 16% 和 13%。另一方面,在相同的温度和浓度下,EFBNC 与 Al 2 O 3的热导率下降了大约 8% 和 3%。当浓度从 2 wt% 增加到 8 wt% 时,EFBNC 与 TiO 2的热扩散率在 30 C 时降低约 23%,在 60 C 时降低约 11% ,Al 2 O 3在相同的温度和浓度。TiO 2和 Al 2 O 3的 EFBNC 比热百分比增量在 30°C 时观察到大约 38% 和 9%,在 60°C 时观察到 26% 和 17%,纳米粒子在 EF 中的质量分数从 2 wt% 增加到 8 wt%。

更新日期:2021-02-19
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