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首页> 外文会议>2002 ASME Pressure Vessels and Piping Conference, Aug 5-9, 2002, Vancouver, British Columbia, Canada >ADVANCES IN APPLICATION OF NUMERICAL SIMULATION OF FLUID FLOW IN TUBE BUNDLE HEAT EXCHANGERS
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ADVANCES IN APPLICATION OF NUMERICAL SIMULATION OF FLUID FLOW IN TUBE BUNDLE HEAT EXCHANGERS

机译：束流换热器中流体流动数值模拟的应用进展

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摘要

CFD has become a widespread tool for analysis of fluid flow. In this paper a number of examples of flow problems in tube bundle heat exchangers is collected. Different objectives for a certain CFD analysis permit for different levels of modeling. Some modeling techniques are discussed, e.g., porosity models vs. full geometric modeling, analytic gap models vs. full geometric modeling, transient vs. steady-state analysis, one-phase vs. two-phase modeling, and so on. Information about the flow field in heat exchangers allow for prediction of fluidelastic instability, flow quantity distributions, pressure loss and flow forces. The paper shows a number of examples for CFD application in tube bundle heat exchangers and what benefit could be derived from it in order to give an overview about CFD possibilites.
机译：CFD已成为分析流体流动的广泛工具。本文收集了管束式换热器中许多流动问题的例子。某个CFD分析的不同目标允许进行不同级别的建模。讨论了一些建模技术，例如，孔隙率模型与完整几何模型，解析间隙模型与完整几何模型，瞬态与稳态分析，一阶段与两阶段建模等。有关热交换器中流场的信息可以预测流体弹性的不稳定性，流量分布，压力损失和流动力。本文展示了在管束式换热器中使用CFD的许多示例，以及从中可以得到什么好处，以便对CFD可能性进行概述。

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