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Self-Cleaning Micro...
Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements
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- Ghaderi, Mohammadamir, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Middelburg, Luke M. (author)
- Technische Universiteit Delft,Delft University of Technology (TU Delft)
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- Bilby, David (author)
- Ford Motor Company
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- Visser, Jaco H. (author)
- Ford Motor Company
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- Lundgren, Per, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Enoksson, Peter, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wolffenbuttel, Reinoud F. (author)
- Technische Universiteit Delft,Delft University of Technology (TU Delft)
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(creator_code:org_t)
- 2020
- 2020
- English.
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In: IEEE International Symposium on Industrial Electronics. ; 2020-June, s. 1104-1108
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Abstract
Subject headings
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- Exhaust gas measurement in the harsh environment of the tailpipe of a combustion engine by optical techniques is a highly robust technique, provided that optical access is maintained in the presence of particulate matter (PM). The considerations are presented for the systematic design of membranes with integrated heaters in SiC-on-Si technology for generating a well-defined lateral temperature profile with peak temperatures above 600 °C. Periodically raising the temperature of the membranes to such a level is demonstrated to keep the surface transparent by oxidation of soot deposits. This paper is about continuous heating of the membrane to a temperature slightly higher than that of the exhaust gas. At such temperatures thermophoretic repulsion of PM allows allows long-term optical measurement in the exhaust without the thermo-mechanical loading by repetitive thermal cycling.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Keyword
- Exhaust gas measurement
- Membrane
- Optically transparent window
- Soot deposition
- Optical MEMS
Publication and Content Type
- kon (subject category)
- ref (subject category)
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