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作 者:黑玉林 陈照峰[2] 吕岩 阚安康[1] 糜玥崎 杨文健 蔡豪锋 Hei Yulin;Chen Zhaofeng;Lu Yan;Kan Ankang;Mi Yueqi;Yang Wenjian;Cai Haofeng(College of Merchant Marine,Shanghai Maritime University;College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics;Shanghai Litone Cold Chain Science Co.,Ltd.;Jiangsu Sanyou Dior Energy-saving New Materials Co.,Ltd.)
机构地区:[1]上海海事大学商船学院 [2]南京航空航天大学材料科学与技术学院 [3]上海力统冷链科技有限公司 [4]江苏山由帝奥节能新材股份有限公司
出 处:《制冷与空调》2024年第12期100-105,共6页Refrigeration and Air-Conditioning
基 金:国家自然科学基金联合基金(核技术)重点支持项目(U2167214)。
摘 要:采用CFD技术构建围护结构为真空绝热板(VIP)的疫苗冷链物流箱的有限元物理模型,分析相变蓄冷板(PCM)的摆放位置对箱内温度场分布和有效保温时间的影响,并通过试验验证模型的可靠性。结果表明:当PCM置于底部时,温度场分布紊乱,箱内顶端附近出现局部高温区域,存在疫苗变质风险;当PCM侧面摆放和平行摆放时,温度场分布情况相似,箱内温差较小;当PCM顶底对放时,箱内温度场分布最均匀,有效保温时间为57.24h,比PCM侧面放置时长8.38h。本研究对PCM+VIP耦合的疫苗冷链物流箱的设计及运输管理具有指导意义。A finite element physical model for the vaccine cold chain logistics box with vacuum insulation panels(VIP)enclosing structure is established using CFD techno-logy.The effect of the position of phase change material(PCM)panels on temperature field distribution and effective insulation time is investigated.Experiments are conducted to verify the reliability of the model.The results indicate that when PCM panels are placed at the bottom,the temperature field distribution is disordered.A local high-temperature area appears near the top of the box,which brings a risk of vaccine spoilage.When PCM panels are placed on the side or in a parallel way,the temperature distribution is similar,and the temperature difference in the box is relatively small.When PCM panels are placed on the bottom and top,the temperature distribution inside the box is the most uniform,and efficient insulation time is 57.24 hours,which is 8.38 hours longer than that placed on the side.The research has important guiding significance for the design and transportation management of vaccine cold chain logistics box coupled with PCM and VIP.
关 键 词:疫苗冷链物流箱 相变蓄冷板 真空绝热板 保温时间
分 类 号:TB657[一般工业技术—制冷工程] TB115[理学—数学]
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