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Charging of a person exiting a car seat
Örebro universitet, Institutionen för teknik.
2009 (Engelska)Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Electrostatic charge is generated by the contact, rubbing together and separation of clothing and car seat upholstery. It is also known that the charging levels will increase in a cold and dry climate. Charge on clothing will induce a separation of charge in the body of the wearer. The net result is an increase in the electrical potential of the body (or body voltage), thereby creating the risk of an electrostatic discharge (ESD) in the form of a spark from the charged human body to a large or earthed conductor. As charge is also bound to the surface of the clothing, brush discharges from the clothing can follow. The effects of sparks from the human body in the environment of a car may be a) to cause uncomfortable and distracting shocks to the person; b) to cause damage or disruption to electronic systems (GPS devices, vehicle management systems, etc); or c) to ignite flammable fuel vapour. A brush discharge from clothing may also ignite fuel vapour and be a risk for (unprotected) sensitive electronic devices (ESDS). The characteristic shape of the discharge current in a brush discharge is very similar to a Human Body Model (HBM) discharge. Measurement systems for determining body voltage and recording brush discharges are described. Results are presented of tests conducted with various combinations of car seat upholstery and clothing in different test environments. The antistatic property of some automotive textiles including conductive threads is emphasized.

Ort, förlag, år, upplaga, sidor
Institute of Physics (IOP), 2009. Vol. 142, artikel-id UNSP 012004
Serie
Journal of Physics Conference Series, ISSN 1742-6588 ; 142
Nationell ämneskategori
Teknik och teknologier
Forskningsämne
Elektricitetslära, ssk studiet av transienter och urladdning
Identifikatorer
URN: urn:nbn:se:oru:diva-19356DOI: 10.1088/1742-6596/142/1/012004ISI: 000270678800004OAI: oai:DiVA.org:oru-19356DiVA, id: diva2:445792
Konferens
Electrostatics 2007 Conference,St Catherines Coll, Oxford, ENGLAND, MAR 25-29, 2007
Tillgänglig från: 2011-10-05 Skapad: 2011-10-04 Senast uppdaterad: 2017-10-18Bibliografiskt granskad

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Andersson, Birgitta

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