Expressions of penetration and dust loading mass during the first stage of nonstationary filtration for fibrous filters using solid aerosols were derived from the mass balance correlations.

• 从质量平衡关系式得出纤维过滤器过滤固体气溶胶的非稳态过程第一阶段中穿透率和积尘量的关系式,并用无量纲参数加以简化。