圆管中分层层流流动的新模型及减阻规律  

New model of stratified laminar flow and drag reduction law in pipe

作　　者：郑永刚[1] 谢翠丽[2] 

机构地区：[1]四川大学高速水力学国家重点实验室 [2]东营石油大学

出　　处：《水利学报》1999年第1期36-40,共5页Journal of Hydraulic Engineering

基　　金：国家自然科学基金

摘　　要：本文提出了研究圆管分层层流流动的新模型，并利用该模型研究了圆管分层流动速度分布规律，得出了速度场解析表达式，最后，研究了分层流动的阻力规律，为分层掺气减阻提供了理论依据．算例表明。A new model of stratified laminar flow in pipe is proposed and the velocity distribution laws of stratified flow in pipe are studied. The analytical correlation of velocity field is obtained by using this model. The flow resistance law of stratified flow is investigated. The results provide the theoretical base of drag reduction by aeration in stratified flow. The calculating results show that aeration in stratified flow can achieve effective drag reduction.

关 键 词：圆管 分层层流 牛顿流体 减阻 

分 类 号：TV134[水利工程—水力学及河流动力学]