Plasma particle lofting : experimental investigation of dust removal force

L.C.J. Heijmans, S. Nijdam

Onderzoeksoutput: Bijdrage aan congresPosterAcademic

2 Downloads (Pure)

Samenvatting

Dust is everywhere. Sometimes it's harmless, but sometimes it needs to be removed. Especially in modern optical machinery, dust control can be of vital importance. In this research we look at dust on a surface. We focus on the behaviour under influence of a plasma.

The dust particles will stick to a surface due to the adhesive Van der Waals force. This force is hard to determine theoretically, as it highly depends on the local surface topology. Therefore, we have developed a method to experimentally measure this adhesive force. This method uses the inverse piezoelectric effect. We apply vibrations with increasing amplitude to the surface. This way we can observe which force is required for dust removal.

The required force is reduced when a plasma is applied over the surface. This may have different causes: the charging due to the plasma sheath may cause an additional force; the surface chemistry may change causing a lower adhesive force; the piezo vibrations may be influenced by the electrons. Current research is ongoing to find which of these effects causes the force reduction.
Originele taal-2Engels
Aantal pagina's1
StatusGepubliceerd - 10 mrt 2015
Evenement27th NNV Symposium on Plasma Physics and Radiation Technology - De Werelt, Lunteren, Nederland
Duur: 10 mrt 201511 mrt 2015
http://www.plasmalunteren.nl/sites/default/files/booklet_lunteren_2015.pdf

Congres

Congres27th NNV Symposium on Plasma Physics and Radiation Technology
Land/RegioNederland
StadLunteren
Periode10/03/1511/03/15
Ander27th Symposium Plasma Physics & Radiation Technology, 10-11 March 2015, Lunteren, the Netherlands
Internet adres

Bibliografische nota

Proceeding of the 27th Symposium Plasma Physics & Radiation Technology, 10-11 March 2015, Lunteren, the Netherlands

Vingerafdruk

Duik in de onderzoeksthema's van 'Plasma particle lofting : experimental investigation of dust removal force'. Samen vormen ze een unieke vingerafdruk.

Citeer dit