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Utveckling av ett provtagningssystem för alkohol och aldehyder i fordonsemissioner.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
2007 (Swedish)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Development of a sampling system for alcohol and aldehyde tailpipe emissions from motor vehicles. (English)
Abstract [en]

A system for sampling of alcohol and aldehyde from diluted exhaust gases from vehicles powered by ethanol has been developed and tested. The major part of the work has been research of earlier work in the field and the construction of the sampling system.

The part of the system constructed for the measurement of alcohol has been shown to work, however, more test should be performed. The part of the system constructed for the measurement of aldehyde was tested parallel to a commercially available system, based on the same principle of measurement, and has been shown to work well.

Determination of the concentration of gaseous ethanol using a FID has shown the since earlier known fact that a FID is not able to measure a correct concentration of ethanol. Furthermore it has been shown that high concentrations of gaseous ethanol can not be kept in a bag more than a few minutes without a substantial decrease of the measured concentration.

Abstract [sv]

Ett system för provtagning av alkohol och aldehyd från utspädda emissioner från etanoldrivna fordon har utvecklats och testats. Den större delen av arbetet bestod av efterforskning av tidigare arbete inom området samt konstruktion av provtagningssystemet.

Systemets del för alkoholprovtagning har konstaterats fungera, men fler tester bör utföras. Systemets del för aldehydprovtagning provades parallellt med ett kommersiellt tillgängligt system, baserat på samma mätprincip, och visades fungera väl.

Koncentrationsmätningar av etanol i gasform med FID visade det sedan tidigare kända faktum att FID ej klarar mäta en korrekt koncentration etanol. Utöver detta visades även att höga koncentrationer av gasformig etanol inte kan förvaras någon längre tid i säck utan att en rejäl försämring av mätresultaten uppstår.

Place, publisher, year, edition, pages
2007.
Series
MMK 2007:63 MFM114
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-100869OAI: oai:DiVA.org:kth-100869DiVA: diva2:545592
External cooperation
AVL MTC AB,Hua Lu Karlsson
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-08-20 Created: 2012-08-20 Last updated: 2012-08-20Bibliographically approved

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Andreas Bolin(1975 kB)202 downloads
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