技术中心

逆流式冷却塔的性能系数【英文篇名】 Coefficient of performance of countercurrent cooling towers 【作者中文名】 刘乃玲; 张旭; 陈沛霖; 李永安; 【作者英文名】 Lu Nailing; Zhang xu; Chen Pei sen and Li ongan Tongji University. Shanghai; China; 【作者单位】 同济大学; 山东建筑工程学院; 【文献出处】 暖通空调, Hv 逆流式冷却塔; 热湿交换; 性能系数; 【英文关键词】 spray-type cooling tower; countercurrent cooling tower; heat and mass exchange; coefficient of performance; 【摘要】 利用Werkel理论,针对没有填料层的淋水式冷却塔内的热湿交换情况.建立了淋水式冷却塔内水与空气热湿交换的能量方程.推导出冷却塔的COP表达式;并用数值法计算了某运行工况下冷却塔的COP,通过实验得出该冷却塔的性能曲线,并据此曲线回归出了该冷却塔COP的经验表达式。 【英文摘要】 According to Werkel's theory, sets up the heat and mass exchange equations inside a spray-type cooling tower without packing layer. Deduces an expression of COP. Calculates the COP of the tower under a working condition with numerical method. By way of the experiments, determines the performance curve of the tower. Based on the curve, regresses an experiential expression of the COP of the tower.