基于空气状态参数与风量耦合迭代的风网解算方法
Journal of China University of Mining & Technology（2021）
Abstract
矿井通风网络是一个复杂动态非线性系统,受地面空气状态参数和井下热湿源以及采矿活动的影响,井下风流状态参数将随时间发生变化.因此,必须对矿井通风网络进行实时解算和日常维护调控.根据风流与井巷围岩之间不稳定对流换热、井巷围岩氧化放热和热水沟散热等模型,结合节点风量平衡方程、回路风压平衡方程和多股风流混合的热湿平衡方程,提出基于空气状态参数与风量耦合迭代的通风网络风量调控决策的方法,编制了计算机程序.举例计算结果表明:在一定条件下空气状态参数随风量调控的变化而变化,并获得风量调控方案,为矿井通风网络实时解算和风量调控决策提供一种技术手段.
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