地埋管直供地板供冷与通风除湿现场测试研究  

Field study on the indoor thermal environment of a radiant floor cooling system and ventilation dehumidification with direct-ground cooling source

作　　者：任婧 刘吉营 朱旭伟 杜艳秋 宋守杰 REN Jing;LIU Jiying;ZHU Xuwei;DU Yanqiu;SONG Shoujie(School of Thermal Energy Engineering, Shandong Jianzhu University, Jinan 250101, China;Built Environment Design and Research Institute, Shandong GRAD Group, Dezhou 253000, China;Building Energy Conservation Research Institute, Shandong Antaeus Intelligent and Engineering Co., Ltd., Jinan 250101, China)

机构地区：[1]山东建筑大学热能工程学院,山东济南250101 [2]山东格瑞德集团有限公司人工环境产业设计研究院,山东德州253000 [3]山东安泰智能工程有限公司建筑节能研究所,山东济南250101

出　　处：《山东建筑大学学报》2021年第6期38-46,共9页Journal of Shandong Jianzhu University

基　　金：国家自然科学基金项目(51608310);山东省高等学校青创科技计划项目(2019KJG005);山东省自然科学基金项目(ZR2020ME211)。

摘　　要：研究地板辐射供冷、通风系统的性能和运行控制对复合系统性能优化和运行效率的提高有着重要作用。文章以地埋管直供地板辐射供冷与置换通风复合系统供冷的实验房间为研究对象,通过现场实测方法得到不同工况下的室内温湿度,分析了复合系统的供冷性能,得出了适用于复合系统的启动控制策略。结果表明:复合供冷系统运行期间,地板表面温度分布表现出良好的均匀性,满足标准要求;置换通风系统承担冷负荷比例在6%~16%间变化,均能保证室内湿度处于舒适范围;根据室内外状态参数情况决定送风系统启动时间可以提高送风系统运行效率,适应室内负荷变化;在置换通风系统补充供冷间接影响下,地面温度下降约为0.2~0.4℃。Study on performance and operational control of radiant floor cooling and ventilation system plays an important role in optimizing performance and improving operational efficiency of compound system.The study is conducted on the experimental room with the floor radiant cooling and displacement ventilation system.The field measurement method is used to study the cooling performance of the radiant floor system with direct ground cooling combined with displacement ventilation via measuring data including indoor temperature and humidity so as to obtain start-up control strategy suitable for compound system.The results show that the temperature distribution on the floor surface during operation of the compound cooling system is in good uniformity,which meets the standard requirements.The indoor humidity is maintained within a comfortable range when cooling load ratio of displacement ventilation system varies from 6%to 16%.Start-up time of ventilation system should be determined based on indoor and outdoor state parameters so that improving the operation efficiency and adapting to the changes of indoor loads.Under the indirect influence of supplementary cooling provided by displacement ventilation system,the floor surface temperature decreases about 0.2~0.4℃.

关 键 词：地埋管直供 地板辐射 现场测试 室内热环境 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]