技术中心

【英文篇名】 Hydraulic calculation of PP-R hot water pipes wall-mounted gas boiler heating systems 【作者中文名】 杨惠君; 杨庆; 班云霄; 【作者英文名】 Yang Huijun Yang Qing Ban Yunxiao Lanzhou Jiaotong University; Lanzhou; China; 【作者单位】 兰州交通大学; 【文献出处】 暖通空调, Heating Ventilating 供暖; 热水管; 阻力损失; 【英文关键词】 wall-mounted gas boiler; heating; hot water pipe; resistance loss; 【摘要】 给出了PP-R热水管沿程阻力损失的理论计算公式,并对其进行了实验研究。结果表明,计算值与实验值基本吻合,实际工程中可应用本文的计算公式。针对PP-R管件的连接特点,对局部阻力损失进行了测试,通过分析给出了一个合理的取值范围。 【英文摘要】 Presents the theoretical calculation formula and performs experiments of frictional resistance loss for PP-R hot water pipes.As a result,the values from calculation are basically consistent with those measured from the experiments,and the formula can be applied to actual project.Based on the connecting characteristics of the PP-R pipes,tests the local pressure loss and presents a reasonable value range through an analysis.