Topic
Pipe flow
About: Pipe flow is a research topic. Over the lifetime, 13826 publications have been published within this topic receiving 351605 citations.
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TL;DR: In this article, a method of exact calculation in terms of a simple recursion is presented, which is valid for transient events only, because the calculation time grows exponentially with the duration of the event.
101 citations
TL;DR: In this paper, a numerical study of flow and heat transfer in the separated and reattached flows created by an abrupt pipe expansion is reported, and the results show that the three-layer model is superior to the two-layer one.
Abstract: A numerical study is reported of flow and heat transfer in the separated and reattached flows created by an abrupt pipe expansion. In the study attention has been given primarily to the development of turbulence near-wall models based on the wall function. An efficient numerical method is also employed for the computation of high-velocity flows. The computed results are compared with experimental data obtained earlier. Generally, better results are obtained by employing the present near-wall models, and among them the three-layer model is superior to the two-layer one.
101 citations
TL;DR: In this paper, the two-phase air-water flow characteristics, including the two phase flow pattern as well as the void fraction and two phase frictional pressure drop, in a circular micro-channel are experimentally studied.
101 citations
TL;DR: In this paper, data from 2435 gas-liquid flow experiments in horizontal pipelines, taken from different sources, including new data for heavy oil, are compiled and processed for power law and composite power law friction factor correlations.
101 citations
TL;DR: In this paper, two kinds of inserts (conical insert and BINSERT®) are used in the silo to change the flow fields of a silo during filling and discharging of two-dimensional plane silos.
101 citations