Measurement of concentration of air ions in the laboratories and cave

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F13%3APU104949" target="_blank" >RIV/00216305:26220/13:PU104949 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

čeština

Original language name

Measurement of concentration of air ions in the laboratories and cave

Original language description

A gerdien tube (GT) is instrumental towards the measurement of air ions concentration assuming that the volume of tested air has not been limited and the ions are continuously generated. In the time domain, it is possible to measure only ions of one polarity by means of a gerdien tube; then, following a certain interval, ions of the other polarity can be measured. Ionized air is sucked into the gerdien tube by a fan. A homogeneous electric field is set between the inner and the outer electrode. If an electric ion shows a negative electric charge and the collecting inner electrode has a positive electric potential, the ion is progressively attracted to the inner electrode. Provided that the ion impinges upon the electrode, it will induce an electric current that is measured by the help of a sensitive electrometric picoampermeter. The velocity of the ions motion in the electric field can be described by mobility k [ m2*V-1*s-1].

Czech name

Measurement of concentration of air ions in the laboratories and cave

Czech description

A gerdien tube (GT) is instrumental towards the measurement of air ions concentration assuming that the volume of tested air has not been limited and the ions are continuously generated. In the time domain, it is possible to measure only ions of one polarity by means of a gerdien tube; then, following a certain interval, ions of the other polarity can be measured. Ionized air is sucked into the gerdien tube by a fan. A homogeneous electric field is set between the inner and the outer electrode. If an electric ion shows a negative electric charge and the collecting inner electrode has a positive electric potential, the ion is progressively attracted to the inner electrode. Provided that the ion impinges upon the electrode, it will induce an electric current that is measured by the help of a sensitive electrometric picoampermeter. The velocity of the ions motion in the electric field can be described by mobility k [ m2*V-1*s-1].

Type

D - Article in proceedings

CEP classification

JA - Electronics and optoelectronics

OECD FORD branch

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Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

International Interdisciplinary PhD Workshop 2013, Proceedings

ISBN

978-80-214-4759-2

ISSN

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e-ISSN

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Number of pages

5

Pages from-to

182-186

Publisher name

Neuveden

Place of publication

Brno, Czech republic

Event location

Brno

Event date

Sep 8, 2013

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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