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首页> 外文期刊>Journal of the Institute of Brewing >Thermal Convection in Cylindro-Conical Tanks During the Early Cooling Process
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Thermal Convection in Cylindro-Conical Tanks During the Early Cooling Process

机译：圆锥形储罐在早期冷却过程中的热对流

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Industrially it is important to understand the cooling process of beer in cylindro-conical tanks (CCTs) in regard to energy efficiency and to the maturation of beer from 10℃ to 0℃. However the cooling process is a complicated phenomenon. We have previously studied thermal convection in a miniature CCT constructed of transparent acrylic resin (ACCT) and found that thermal convection was not uniform, but rather wavy in the circumferential direction. In this report thermal convection was studied in a CCT constructed of metal and enlarged to the 500 L size. The water temperature in the CCT was measured by thermo-sensors and the surfaces visualized using an infrared camera. We confirmed that both 500L CCT and ACCT have qualitatively similar flow from 10℃ to below 4℃. Although there are size effects between small CCTs and large CCTs, experiments with the smaller CCT gave useful information on the early cooling process. An infrared camera was employed to investigate the state of convection and gave information on how to effectively refrigerate beer.
机译：在工业上，重要的是要了解在能量效率和从10℃到0℃的啤酒成熟方面，在圆锥形锥形储罐（CCT）中冷却啤酒的过程。然而，冷却过程是复杂的现象。我们先前已经在由透明丙烯酸树脂（ACCT）制成的微型CCT中研究了热对流，发现热对流不是均匀的，而是在圆周方向上呈波浪形。在此报告中，在金属制成的CCT中研究了热对流，并放大到500L。通过热传感器测量CCT中的水温，并使用红外热像仪对表面进行可视化。我们证实，从10℃到4℃以下，500L CCT和ACCT在质量上都相似。尽管小型CCT和大型CCT之间存在尺寸效应，但使用较小CCT进行的实验仍可提供有关早期冷却过程的有用信息。使用红外摄像机研究对流状态，并提供有关如何有效冷藏啤酒的信息。

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