|本期目录/Table of Contents|

[1]崔宝玲,王凯.壁面约束下球形颗粒的曳力与升力特性研究[J].浙江理工大学学报,2026,55-56(自科四):465-473.
　CUI Baoling,WANG Kai.A study on the drag and lift characteristic sofa spherical particle Under wall constraints[J].Journal of Zhejiang Sci-Tech University,2026,55-56(自科四):465-473.
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壁面约束下球形颗粒的曳力与升力特性研究()

浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
55-56
期数:
2026年自科第四期
页码:
465-473
栏目:
出版日期:
2026-07-10

文章信息/Info

Title:
A study on the drag and lift characteristic sofa spherical particle Under wall constraints
文章编号:
1673-3851(2026) 07-0465-09
作者:
崔宝玲; 王凯
浙江理工大学复杂流动与流体工程装备全省重点实验室 ,杭州 310018
Author(s):
CUI Baoling; WANG Kai
Zhejiang Key Laboratory of Multi flow and Fluid Machinery, Zhejiang Sci-Tech University,Hangzhou 310018, China
关键词:
数值模拟; 颗粒两相流 ; 壁面约束 ; 曳力 ; 升力
分类号:
O359
文献标志码:
A
摘要:
针对壁面约束下的颗粒受力问题 , 以静止流体中平行于壁面做匀速直线运动的单个球形颗粒为研究对象 ,采用直接数值模拟(Directnumericalsimulation, DNS) , 结合重叠网格方法和移动计算域方法 ,在有限雷诺数(3~300)及不同颗粒-壁面距离(0.6~4.5倍粒径)范围内 ,对球形颗粒所受的曳力与升力开展全分辨数值分析 , 以探究壁面约束下颗粒的曳力与升力特性 。结果表明 :随着颗粒-壁面距离的增大 ,颗粒的曳力系数逐渐减小;通过拟合计算得到的曳力系数值得到壁面约束下球形颗粒的曳力系数表达式 ,其预测的平均绝对百分比误差为 2.56%。颗粒的升力系数随着颗粒-壁面距离的增大而减小 。 当颗粒-壁面距离小于 0.625倍粒径时 ,颗粒的升力系数随雷诺数的增大而减小;当颗粒-壁面距离超过 0.625倍粒径时 ,升力系数随着雷诺数的增大先减小后增大 。该研究结果可以为壁面约束下颗粒两相流研究提供一定参考。

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备注/Memo

备注/Memo:
基金项目 : 国家自然科学基金项目(U22A20209)收稿日期 : 2025-06-13 网络出版日期 : 2025-09-16
作者简介 : 崔宝玲(1975— ) ,女 ,河北滦南人 ,教授 ,博士 ,主要从事流体机械方面的研究。Theresearch findings can provide certain reference for the study of particle-laden two-phase flows under wallconstraints.Keywords: numericalsimulation; particletwo-phaseflow; wallconstraints; dragforce; liftforce
更新日期/Last Update: 2026-07-05