凝汽器清洁度计算过程VIP免费

凝汽器冷凝管清洁度计算过程 南京科远软件技术有限公司 2 0 1 3 .1 0 i 目 录 1 前言........................................................................................................................................... 1 2 计算理论依据 ........................................................................................................................... 1 2.1 热平衡方程式 ............................................................................................................... 1 2.2 国标传热系数计算 ....................................................................................................... 2 3 清洁度计算过程 ....................................................................................................................... 2 3.1 获取凝汽器的设计参数 ............................................................................................... 2 3.2 获取当前运行参数 ....................................................................................................... 3 3.2.1 冷却水流速 ....................................................................................................... 3 3.2.2 汽轮机排汽量 ................................................................................................... 3 3.2.3 对数平均温差 ................................................................................................... 4 3.3 计算当前传热系数 ....................................................................................................... 4 3.4 计算当前清洁系数 ....................................................................................................... 5 3.5 计算当前清洁度 ........................................................................................................... 5 4 冷却水量不变时的清洁度计算 ............................................................................................... 6 5 附录...........................................