技术中心

旋转流风量分配器空气动力性能研究 【英文篇名】 Air dynamic characters of a swirling air flow distributor 【作者中文名】 郑庆红; 田忠保; 【作者英文名】 By Zheng Qinghong and Tian Zhongbao; 【作者单位】 西安建筑科技大学; 【文献出处】 暖通空调, Hv 风量分配器; 均匀送风; 摩擦阻力; 【英文关键词】 swirling flow; air distributor; uniform delivery; frictional resistance; 【摘要】 研究了用于等截面圆形直管均匀送风的旋流风量分配器 ,及其沿程阻力和局部阻力问题。通过测试优化出一种局部阻力系数显著降低的旋流风量分配器 ,并针对其特点给出了不同流量下的单位摩擦阻力变化曲线 ,为工程应用提供了参考依据 【英文摘要】 Studies a swirling flow air distributor for a straight uniform round section duct and its frictional and local resistances. Obtains through optimisation a prototype with a significantly low resistance factor and gives the relationship of its friction loss per unit length of duct and the optimum relative distance between the air outlet and the distributor, recommended as references for engineering purpose.