[1]程宏,王晓峰,何育宇,等.布朗运动对Cu-水纳米流体传热效率的影响[J].集美大学学报(自然科学版),2022,27(5):467-473.
 CHENG Hong,WANG Xiaofeng,HE Yuyu,et al.Influence of Brownian Motion on the Heat Transfer Efficiency of Cu-Water Nanofluid[J].Journal of Jimei University,2022,27(5):467-473.
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布朗运动对Cu-水纳米流体传热效率的影响()
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《集美大学学报(自然科学版)》[ISSN:1007-7405/CN:35-1186/N]

卷:
第27卷
期数:
2022年第5期
页码:
467-473
栏目:
数理科学与信息工程
出版日期:
2022-09-28

文章信息/Info

Title:
Influence of Brownian Motion on the Heat Transfer Efficiency of Cu-Water Nanofluid
作者:
程宏王晓峰何育宇邓雅清
(闽南师范大学数学与统计学院,福建 漳州 363000)
Author(s):
CHENG HongWANG XiaofengHE YuyuDENG Yaqing
(School of Mathematics and Statistics,Minnan Normal University,Zhangzhou 363000,China)
关键词:
Cu-水纳米流体布朗运动自然对流努塞尔数瑞利数
Keywords:
Cu-water nanofluidBrownian motionnatural convectionNusselt numberRayleigh number
文献标志码:
A
摘要:
对三角形腔内Cu-水纳米流体的稳态自然对流传热问题进行数值模拟,建立完全高精度紧致差分方法,研究纳米流体瑞利数、纳米流体体积分数和纳米颗粒布朗运动对纳米流体对流传热效率的影响。数值结果表明,对于所考虑的瑞利数,无论考虑Cu纳米颗粒的布朗运动与否,纳米流体的对流传热效率都随着纳米流体体积分数的增加而增加;同时,当考虑Cu纳米颗粒的布朗运动时,纳米流体的传热效率略高于不考虑布朗运动时纳米流体的传热效率。在此基础上,建立Cu-水纳米流体传热效率与瑞利数、纳米颗粒的体积分数之间的修正模型。
Abstract:
Numerical simulation of the steady-state natural convection heat transfer of Cu-water nanofluid in a triangular cavity was carried out,and a fully high-order compact difference method was established,and the Rayleigh number,nanofluid volume fraction and Brownian motion of nanoparticle were studied.Numerical results showed that for the considered Rayleigh number,Brownian motion of the Cu nanoparticles was regarded or not,the convective heat transfer efficiency of the nanofluid increased with the increasing of the volume fraction of the Cu-water nanofluid.At the same time,when Brownian motion of nanoparticles was considered,the heat transfer efficiency of nanofluid was slightly higher than that of the nanofluid without Brownian motion.On this basis,a modified model among the heat transfer efficiency of Cu-water nanofluids,the Rayleigh number and the volume fraction of nanoparticles were established.
更新日期/Last Update: 2022-11-18