Stability and Thermal Property Optimization of Propylene Glycol-Based MWCNT Nanofluids

作     者：Xi Wang Shan Qing Zhumei Luo Yiqin Liu Zichang Shi Jiachen Li 

作者机构：Faculty of Metallurgical and Energy EngineeringKunming University of Science and TechnologyKunming650093China Faculty of Media and Information EngineeringYunnan Open UniversityKunming650093China 

出 版 物：《Fluid Dynamics & Materials Processing》 (流体力学与材料加工（英文）)

年 卷 期：2023年第19卷第9期

页      面：2399-2416页

核心收录：

学科分类：07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：This research is financially supported by the National Natural Science Foundation of China under Contract(No.51966005) 

主　　题：Propylene glycol thermal conductivity response surface methodology stability viscosity 

摘      要：Propylene glycol-based MWCNT(multi-walled carbon nanotubes)nanofluids were prepared in the framework of a two-step method and by using a suitable PVP(polyvinyl pyrrolidone)*** BBD(Box-Behnken design)model was exploited to analyze 17 sets of experiments and examine the sensitivity of the absorbance to three parameters,namely the concentration of MWCNT,the SN ratio(mass ratio of carbon nanotubes to sur-factants)and the sonication *** results have revealed that,while the SN ratio and concentration of MWCNT have a strong effect on the absorbance,the influence of the sonication time is less *** sta-tistical method of analysis of variance(ANOVA)was further used to determine the F-and p-values of the *** experiments were run to validate this *** sample 2 was found to display the greatest absorbance,it was selected for stability monitoring as well as thermal conductivity and viscosity *** sample has been found to be stable;the viscosity decreased with increasing temperature;the addition of MWCNT nano-particles was more effective in improving the thermal conductivity of propylene glycol than other methods in the ***,the MWCNT nanofluid based on propylene glycol exhibited higher thermal conductivity at low temperatures.