Hydrodynamics of finite-length pipes at intermediate Reynolds numbers

Hydrodynamics of finite-length pipes at intermediate Reynolds numbers
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中间雷诺数下有限长度管道的流体动力学

DOI:
10.1017/jfm.2023.99
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发表时间:
2023
影响因子:
3.7
通讯作者:
Ristroph, Leif
Ristroph, Leif
中科院分区:
工程技术2区
文献类型:
--
作者:
Pomerenk, Olivia;Carrillo Segura, Simon;Cao, Fangning;Wu, Jiajie;Ristroph, Leif

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对管道水力学的广泛研究集中在极限情况下,例如通过长管道的完全发展的层流或湍流以及通过孔口的加速流,其中存在与压降和流速相关的定律。我们对光滑的圆形管道进行了尺寸和流速的实验,这些实验询问了充分研究的极限之间的中间条件。根据无量纲摩擦系数、雷诺数和管道纵横比来组织这些信息,产生通过有限长管道的表面流。
Extensive studies of the hydraulics of pipes have focused on limiting cases, such as fully-developed laminar or turbulent flow through long conduits and the accelerating flow through an orifice, for which there exist laws relating pressure drop and flow rate. We carry out experiments on smooth, circular pipes for dimensions and flow rates that interrogate intermediate conditions between the well-studied limits. Organizing this information in terms of dimensionless friction factor, Reynolds number and pipe aspect ratio yields a surface flows through finite-length pipes.
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