风机送风和纤维织物风管送风的研究和比较
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摘要
冷库作为食品冷链物流中的重要一个环节,决定着食品的储存质量。冷库内的气流组织对冷冻食品品质有一定的影响。文中针对某冷库的风机送风方式和纤维织物风管送风方式进行了数值模拟研究,分析了这两种方式的温度场和速度场,结果表明纤维织物风管送风方式的效果比风机送风方式更好,货垛内部之间的温差在1.5℃左右,整体温差小且温度分布较均匀,风速衰减幅度要更小且更均匀。
Cold storage as an important link in the food cold chain logistics determines the quality of foodstuffs stored,and the airflow structure in cold stores has a certain impact on the quality of frozen foodstuffs.In this paper,a numerical simulation on the air blower mode and the air blow mode of the fiber fabric duct is carried out in a cold storehouse.The temperature field and velocity field of the two modes are analyzed.The results show that the air blow mode of the fiber woven duct is better than that of the blower Air supply is better.
Cold storage as an important link in the food cold chain logistics determines the quality of foodstuffs stored,and the airflow structure in cold stores has a certain impact on the quality of frozen foodstuffs.In this paper,a numerical simulation on the air blower mode and the air blow mode of the fiber fabric duct is carried out in a cold storehouse.The temperature field and velocity field of the two modes are analyzed.The results show that the air blow mode of the fiber woven duct is better than that of the blower Air supply is better.
引文
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[15]陶文铨.数值传热学[M].西安:西安交通大学出版社,2001.
[2]胡佐新,黄爽,高欣,等.不同出风方式对冷库温度分布的影响[J].贵州大学学报(自然版),2016,33(1):39-41.
[3]LIRA R.In The Other Lane:Fabric duct,dehumidification,other components dive in to enclose former O-lympic pool[J].Engineered Systems,2004,21(4):60.
[4]NIELSEN P V,HYLDGAARD C E,MELIKOV A,et al.Personal exposure between people in a room ventilated by textile terminals-with and without personalized ventilation[J].Hvac&RResearch,2007,13(4):635-643.
[5]ANDREOPOULOU A.Air Dispersion Characteristics and Thermal Comparison of Traditional and Fabric Ductwork using Computational Fluid Dynamics[D].The Cooper Union for the Aolvancemtert of Science and Art,2014.
[6]DEMETRIS P,CARLOS A,SAWAS T.Investigation into air distribution systems and thermal environment control in chilled food processing facilities[J].International Journal of Refrigeration,2017,87:47-64.
[7]刘晓菲,南晓红.装设均匀送风管道对冷藏库气流流场特性的改善[J].农业工程学报,2016,(01):91-96.
[8]胡佐新,黄爽,高欣,等.不同出风方式对冷库温度分布的影响[J].贵州大学学报(自然科学版),2016,(01):39-41+81.
[9]陈祖铭,钟朝安,丁力行,等.体育馆空调系统优化设计与节能分析[J].暖通空调,2009,39(08):36-39.
[10]王斌.新型布质风管在上海世博园区中的应用[J].建筑施工,2012,34(12):1162-1163.
[11]周小蓓.纤维风管送风系统的应用研究[D].武汉科技大学,2014.
[12]潘李丹.不同送风方式下室内热舒适性与污染物分布特征[D].东华大学,2014.
[13]朱红钧,林元华,谢龙汉.FLUENT流体分析及仿真实用教程[M].北京:人民邮电出版社,2010:106-108.
[14]李人宪.有限体积法基础[M].2版.北京:国防工业出版社,2005:67-69.
[15]陶文铨.数值传热学[M].西安:西安交通大学出版社,2001.