结垢对管壳式换热器流动换热影响研究
Contemporary Chemical Industry(2014)
Abstract
针对管壳式换热器结垢中涉及到的传热问题,建立了管壳式换热器三维的简化数理模型,采用有限体积法结合壁面函数法对管壳式换热器内流动传热过程进行数值模拟。研究结果表明,污垢量对管壳式换热器内流动传热过程影响较大,结垢量增加,结垢侧进出口压降增加,换热性能降低。
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