National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Estimation of Radioactive Aerosol Particles Size Distribution.
Otáhal, P.P.S. ; Burian, L. ; Ondráček, Jakub ; Ždímal, Vladimír ; Holub, R.F.
The main purpose of these experiments is to compare results of the size distribution measurements using conventional aerosol methods with results of radioactive aerosols measurements. Additional purpose was to compare our results with published data on dependency of unattached fraction on aerosol particle concentration. Our data show the limitations of the commonly used approximation to this relationship.
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Plný tet: SKMBT_C22016102412243 - Download fulltextPDF
Diffusion Battery – The Renewed Aerosol Spectrometer for Nanoparticles
Holubová Šmejkalová, A. ; Ondráček, Jakub ; Zíková, Naděžda ; Ždímal, Vladimír
The aim of the experiments was to develop new control software for the diffusion battery model DB 3040, in order to optimize measurements with this device. The software allows for larger variability of key control parameters of the diffusion battery and re-opens its application beyond determination of activity size distributions. In comparison with the most widely used method of aerosol spectrometry based on electrical mobility of particles, the method of diffusion battery can be advantageous in situations where we need to measure aerosols of relatively low concentrations with size distributions peaking bellow 20 nanometers.
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Plný tet: SKMBT_C22013010916340 - Download fulltextPDF

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