htri计算问题？ 补充一下刚才没找到的描述： b stream main heat transfer stream, follows a path around baffles and through tube bundle; most effective stream for heat transfer a stream leakage stream, flowing through clearance between tubes and holes in baffles; effective for heat transfer because it contacts tube surface c stream leakage stream flowing over bundle, back and forth through exchanger in clearance between tube bundle and inside of shell; partially effective because it contacts bundle's outside surface e stream leakage stream flowing the length of the shell between outside of baffle and shell; not effective for heat transfer because it does not contact tube surface f stream leakage stream flowing back and forth between baffles in passlanes, present for units with more than 1 tubepass; partially effective because it contacts part of the heat transfer surface (added to tinker's theory by report s-ss-3-1) when you plan your heat exchanger's geometry, remember that the object is to maximize the b-stream flow fraction and minimize leakage stream flow fractions. in actual practice, it is not possible or necessarily desirable to eliminate leakage streams completely because clearances are required to construct the heat exchanger. 查看更多
第1天
关注盖德视界
添加小助手
