风环境对直接空冷凝汽器运行不良影响的数值模拟分析

Numerical simulation analysis on harmful impact of wind environment on direct air cooled condenser

用数值模拟的方法对直接空冷凝汽器空气侧换热性能进行了分析,模拟了不同风速、风向下空冷凝汽器的运行状况,论述了空冷凝汽器各个单元冷却风流量受风速、风向影响的主要机制,提出了改善环境风的措施,并用数值模拟结果验证了该措施的有效性。

Using numerical simulation method,the air side heat exchange performance of the direct air cooled condenser was analyzed.The operation conditions of the air cooled condenser under different wind velocity and different wind direction were simulated.The main mechanism of the influence of wind velocity and wind direction on the air flow of each unit of the air cooled condenser was expounded.The measures to improve wind environment were put forward,and the effectiveness of the measures was proved by the numerical simulation results.