首页> 外文会议>Annual Technical Conference of the Society of Plastics Engineers >THE EFFECTS OF WATER DROPLET SIZE AND VELOCITY ON SPRAY COOLING OF POLYMERS DURING ROTATIONAL MOULDING
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THE EFFECTS OF WATER DROPLET SIZE AND VELOCITY ON SPRAY COOLING OF POLYMERS DURING ROTATIONAL MOULDING

机译:水滴尺寸和速度对旋转成型过程中聚合物喷射冷却的影响

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摘要

The cooling process in conventional rotational moulding has a relatively long cycle time. It is normally accomplished by external forced air convection and external water spray cooling. In some instances, an evaporative cooler is employed to create atomised fog external to the mould during the cooling cycle. Internal water spray cooling is an attractive approach to reduce the cycle time and enhance the product properties in rotational moulding. It is shown that water spray cooling of polymers is affected by water droplet size and water droplet velocity. This paper outlines an introduction to the characterisation of water droplets. The effects of these parameters on water spray cooling of polymers are also presented, using a purpose built experimental test rig.
机译:传统旋转模制中的冷却过程具有相对长的循环时间。它通常由外部强制空气对流和外部喷水冷却完成。在一些情况下,使用蒸发冷却器在冷却循环期间在模具外部产生雾化雾。内部喷水冷却是一种有吸引力的方法,可以减少循环时间,增强旋转模塑中的产品性能。结果表明,聚合物的喷水冷却受水滴尺寸和水滴速度的影响。本文概述了水滴表征的介绍。还采用了采用的实验试验台,还介绍了这些参数对聚合物喷水冷却的影响。

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