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The study on the evaporation cooling efficiency and effectiveness of cooling tower of film type

机译:薄膜式冷却塔的蒸发冷却效率及有效性研究

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摘要

Based on heat and mass transport mechanism of film type cooling, which was combined with an on-site test on counter flow film type cooling tower, a mathematical model on the evaporation and cooling efficiency and effectiveness has been developed. Under typical climatic conditions, air conditioning load and the operating condition, the mass and heat balances have been calculated for the air and the cooling water including the volume of evaporative cooling water. Changing rule has been measured and calculated between coefficient of performance (COP) and chiller load. The influences of air and cooling water parameters on the evaporative cooling efficiency were analyzed in cooling tower restrained by latent heat evaporative cooling, and detailed derivation and computation revealed that both the evaporative cooling efficiency and effectiveness of cooling tower are the same characteristics parameters of the thermal performance of a cooling tower under identical assumptions.
机译:基于薄膜式冷却器的传热传质机理,并结合逆流式薄膜式冷却塔的现场测试,建立了蒸发冷却效率和有效性的数学模型。在典型的气候条件,空调负荷和运行条件下,已计算出空气和冷却水(包括蒸发冷却水的体积)的质量和热量平衡。已经测量并计算了性能系数(COP)和冷水机组负荷之间的变化规律。分析了空气和冷却水参数对潜热蒸发冷却约束的冷却塔中蒸发冷却效率的影响,详细推导和计算表明,冷却塔的蒸发冷却效率和有效性与热塔的特征参数相同。在相同假设下的冷却塔性能。

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