技术中心

大温差送风技术在高精度恒温空调中的应用可行性 【英文篇名】 Applicability of large temperature difference air supply in high accuracy constant temperature air conditioning systems 【作者中文名】 傅允准; 张旭; 【作者英文名】 Fu Yunzhun★ and Zhang Xu★ Tongji University; Shanghai; China; 【作者单位】 同济大学; 【文献出处】 暖通空调, Heating Ventilating 扰量; 渗透风; 动态特性; 【英文关键词】 constant temperature room; disturbance; infiltration air; dynamic characteristics; 【摘要】 为了研究空调大温差送风技术在高精度、多扰量恒温空调中应用的可行性,采用CFD数值模拟分析了恒温室不同送风温差下温度场和速度场的均匀性,研究了恒温室在不同送风温差下不同扰量作用时的温度动态响应特性。结果表明,空调送风大温差下的温度场和速度场以及温度稳定性能满足恒温室要求。 【英文摘要】 To find the applicability of large temperature difference air supply in high accuracy constant temperature air conditioning system,analyses with CFD tools the temperature field and velocity field under different temperature differences and different air supply rates,and then the temperature dynamic response characteristics under different disturbance function.The results show that the temperature field,velocity field and the temperature stability under large temperature difference air supply are satisfied.