摘要
本文对三个文献中给出的垂直螺旋机临界转速的不同的计算公式进行了分析和比较,并根据设计实践,对它们的适用性进行了讨论。
In this paper,calculation formulas which used in three Kinds of references for criti- cal velocity of a vertical helical conveyor are analysed and compared.And according to practical design,their usability are discussed.
