数学推导和模拟试验相结合,建立了过滤器过滤效率的评价公式,并对各种形式过滤器的过滤效率进行了评价;通过测定过滤效率的动态曲线,对过滤效率的评价指标进行了验证。 By combining mathematical derivation with simulation test, the evaluation formula of filtration efficiency was established and the filtration efficiency of various forms of filter was evaluated. The filtration efficiency was evaluated by measuring the dynamic curve of filtration efficiency.