Sedimentation in Settling Tanks Having Inclined Walls - The Boycott Effect

如果沉降容器的壁是倾斜的而不是垂直的，则可以大大提高固体颗粒在重力作用下沉降的速率。 这种现象通常被称为“抵制效应”，在各种分离过程中发挥着越来越重要的作用，因为原则上，如果容器设计得当，沉降速率可以提高几个数量级。 最近，已经开发出一种用于对此类系统进行建模的理论；该理论的一个关键限制（要求粒子雷诺数必须小到几乎为零）现在将以近似的方式放宽，并且将通过实验来测试由此产生的理论预测。 这项研究的总体目标是开发一个可靠的理论框架，用于对实践中遇到的条件下超级定居者的运行进行建模。

The rate at which solid particles sediment under the action of gravity can be greatly enhanced if the walls of the settling vessel are inclined rather than vertical. This phenomenon, often referred to as "The Boycott Effect", plays an increasingly important role in a variety of separation processes because, in principle, the sedimentation rate can be enhanced by several orders of magnitude if the vessel is properly designed. Recently, a theory has been developed for modeling such systems; a key restriction of that theory which required that the particle Reynolds number be vanishingly small will now be relaxed in an approximate manner and the resulting theoretical predictions will be tested experimentally. The overall objective of this research is to develop a reliable theoretical framework for modeling the operation of supersettlers under conditions encountered in practice.