Performance of Vienna type differential mobility analyzer at 1.2-20 nanometer

被引:60
作者
Reischl, GP [1 ]
Makela, JM [1 ]
Necid, J [1 ]
机构
[1] UNIV HELSINKI,DEPT PHYS,FIN-00014 HELSINKI,FINLAND
关键词
D O I
10.1080/02786829708965503
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The transfer functions of the so called ''Vienna type'' differential mobility analyzer (DMA) were studied experimentally at the size range of 1.2-20 nm following the procedure suggested by Stolzenburg (1988) Ph.D. Thesis. For the study, two identical DMAs were used as a tandem DMA (TDMA) arrangement to measure nanoparticIes from a hat wire WO, generator. The approximate analytical formulae by Stolzenburg describing diffusion broadening of the DMA transfer function were observed to be valid with high accuracy from 20 nm down to similar to 2 mm. In the size range of 1.2-2 nm nominal mobility equivalent diameter small deviations of the shape of the TDMA output signal predicted by Stolzenburg were found. (C) 1997 American Association for Aerosol Research.
引用
收藏
页码:651 / 672
页数:22
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