工程科学学报，第41卷，第8期：1061-1073,2019年8月 Chinese Journal of Engineering,Vol.41,No.8:1061-1073,August 2019 DOI:10.13374/j.issn2095-9389.2019.08.012;http://journals.ustb.edu.cn 缺氧空调房间富氧特性及富氧效果的模拟研究 王浩宇)区，刘应书2)，张传钊，陈福祥)，马晓钧，李春旺) 1)北京联合大学生物化学工程学院，北京1000232)北京科技大学能源与环境工程学院，北京100083 ☒通信作者，E-mail:jdthaoyu@buu.cdu.cm 摘要利用实验及CFD模拟软件分别研究非空调工况下以及空调工况的送氧口个数、送氧口管径、送氧流量及送氧方式、 不同的气流组织形式（同侧上送下回、异侧上送下回）等发生变化对密闭建筑缺氧房间的富氧特性及富氧效果的影响.结果 表明：非空调工况下，送氧口个数、送氧口管径、送氧流量及送氧方式不同，所形成的富氧区域差别较大，宜采用管径为6mm的 相背45°的双送氧口进行送氧，所形成的富氧面积为最大：空调工况下，送氧口个数、送氧口管径、送氧流量及气流组织形式不 同，所形成的富氧区域形状大体相似，均为“椭圆”形状，宜采用送氧口管径为6m的单送氧口且异侧上送下回的气流组织形 式：空调工况下，送氧流量相同时，送风风速为0.85m·s所形成的富氧面积比送风风速为1m·s所形成的富氧面积大约 20%:当送风风速均为0.85ms1,送氧流量为1.5m3h1所形成的富氧面积约为0.96m2,该富氧面积与单人次活动范围面 积相当，适宜作为空调工况下缺氧房间单人次的富氧基础供氧量.模拟结果可为缺氧空调房间供氧装置的选择、布置、降低新 风量、降低空调能耗等方面提供参考. 关键词空调房间；缺氧；富氧；气流组织 分类号TG142.71 Simulation of oxygen enrichment characteristics and effect in hypoxia air-conditioning room WANG Hao-yu,LIU Ying-shu2),ZHANG Chuan-zhao),CHEN Fu-xiang,MA Xiao-jun!),LI Chun-wang) 1)College of Biochemical Engineering,Beijing Union University,Beijing 100023,China 2)School of Energy and Environmental Engineering,University of Science and Technology Beijing,Beijing 100083.China XCorresponding author,E-mail:jdthaoyu@buu.edu.cn ABSTRACT Experiments and computational fluid dynamics(CFD)simulation were used to analyze the effects of the number and the diameter of oxygen supply ports,the flow rate and the mode of oxygen supply,and different modes of air flow (up-inlet and down-outlet on the same side,or on the different side)on the indoor oxygen enrichment characteristics and the effect of anoxic conditions in a closed buildings with or without air conditioning.Without air conditioning,the number and the diameter of oxygen supply ports,the flow rate and mode of oxygen supply,and formed oxygen-enriched regions are quite different.Using a double-45-opposite oxygen sup- ply ports with a diameter of 6 mm is advisable.Under the air conditioning condition,the number and the diameter of oxygen supply ports,the flow rate of oxygen supply,and the modes of air flow are different too.The formed oxygen-enriched area are all generally el- liptical.It is advisable to use a single oxygen supply port with a diameter of 6mm and an air flow mode of up-inlet and down-outlet on the different side.When the flow rate of the oxygen supply is the same,the oxygen-enriched area are formed by the wind speed of 0.85 msis approximately 20%larger than that formed by the 1 mswind speed.When the air supply wind speed is 0.85 msand the oxygen supply flow rate is 1.5mh,the oxygen-enriched area is approximately 0.96m2,which is consistent with the area of the 收稿日期：2018-10-23 基金项目：北京市自然科学基金资助项目(8182019)：国家自然科学基金资助项目(51578065)：北京市教育委员会科技计划一般资助项目 (KM201711417014)工程科学学报,第 41 卷,第 8 期:1061鄄鄄1073,2019 年 8 月 Chinese Journal of Engineering, Vol. 41, No. 8: 1061鄄鄄1073, August 2019 DOI: 10. 13374 / j. issn2095鄄鄄9389. 2019. 08. 012; http: / / journals. ustb. edu. cn 缺氧空调房间富氧特性及富氧效果的模拟研究 王浩宇1) 苣 , 刘应书2) , 张传钊1) , 陈福祥1) , 马晓钧1) , 李春旺1) 1) 北京联合大学生物化学工程学院, 北京 100023 2) 北京科技大学能源与环境工程学院, 北京 100083 苣通信作者,E鄄mail: jdthaoyu@ buu. edu. cn 摘 要 利用实验及 CFD 模拟软件分别研究非空调工况下以及空调工况的送氧口个数、送氧口管径、送氧流量及送氧方式、 不同的气流组织形式(同侧上送下回、异侧上送下回)等发生变化对密闭建筑缺氧房间的富氧特性及富氧效果的影响. 结果 表明:非空调工况下,送氧口个数、送氧口管径、送氧流量及送氧方式不同,所形成的富氧区域差别较大,宜采用管径为6 mm 的 相背 45毅的双送氧口进行送氧,所形成的富氧面积为最大;空调工况下,送氧口个数、送氧口管径、送氧流量及气流组织形式不 同,所形成的富氧区域形状大体相似,均为“椭圆冶形状,宜采用送氧口管径为 6 mm 的单送氧口且异侧上送下回的气流组织形 式;空调工况下,送氧流量相同时,送风风速为 0郾 85 m·s - 1 所形成的富氧面积比送风风速为 1 m·s - 1 所形成的富氧面积大约 20% ;当送风风速均为 0郾 85 m·s - 1 ,送氧流量为 1郾 5 m 3·h - 1所形成的富氧面积约为 0郾 96 m 2 ,该富氧面积与单人次活动范围面 积相当,适宜作为空调工况下缺氧房间单人次的富氧基础供氧量. 模拟结果可为缺氧空调房间供氧装置的选择、布置、降低新 风量、降低空调能耗等方面提供参考. 关键词 空调房间; 缺氧; 富氧; 气流组织 分类号 TG142郾 71 收稿日期: 2018鄄鄄10鄄鄄23 基金项目: 北京市自然科学基金资助项目(8182019);国家自然科学基金资助项目(51578065);北京市教育委员会科技计划一般资助项目 (KM201711417014) Simulation of oxygen enrichment characteristics and effect in hypoxia air鄄conditioning room WANG Hao鄄yu 1) 苣 , LIU Ying鄄shu 2) , ZHANG Chuan鄄zhao 1) , CHEN Fu鄄xiang 1) , MA Xiao鄄jun 1) , LI Chun鄄wang 1) 1) College of Biochemical Engineering, Beijing Union University, Beijing 100023, China 2) School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China 苣Corresponding author, E鄄mail: jdthaoyu@ buu. edu. cn ABSTRACT Experiments and computational fluid dynamics (CFD) simulation were used to analyze the effects of the number and the diameter of oxygen supply ports, the flow rate and the mode of oxygen supply, and different modes of air flow (up鄄inlet and down鄄outlet on the same side, or on the different side) on the indoor oxygen enrichment characteristics and the effect of anoxic conditions in a closed buildings with or without air conditioning. Without air conditioning, the number and the diameter of oxygen supply ports, the flow rate and mode of oxygen supply, and formed oxygen鄄enriched regions are quite different. Using a double鄄鄄45毅鄄opposite oxygen sup鄄 ply ports with a diameter of 6 mm is advisable. Under the air conditioning condition, the number and the diameter of oxygen supply ports, the flow rate of oxygen supply, and the modes of air flow are different too. The formed oxygen鄄enriched area are all generally el鄄 liptical. It is advisable to use a single oxygen supply port with a diameter of 6 mm and an air flow mode of up鄄inlet and down鄄outlet on the different side. When the flow rate of the oxygen supply is the same, the oxygen鄄enriched area are formed by the wind speed of 0郾 85 m·s - 1 is approximately 20% larger than that formed by the 1 m·s - 1 wind speed. When the air supply wind speed is 0郾 85 m·s - 1 and the oxygen supply flow rate is 1郾 5 m 3·h - 1 , the oxygen鄄enriched area is approximately 0郾 96 m 2 , which is consistent with the area of the