Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements

Amir Ghaderi; L.M. Middelburg; David  Bilby; J.H. Visser; Per Lundgren; Peter Enoksson; R.F. Wolffenbuttel

doi:10.1109/ISIE45063.2020.9152437

Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements

Amir Ghaderi, L.M. Middelburg, David Bilby, J.H. Visser, Per Lundgren, Peter Enoksson, R.F. Wolffenbuttel

Electronic Components, Technology and Materials

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

Abstract

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.

Original language	English
Title of host publication	2020 IEEE 29th International Symposium on Industrial Electronics, ISIE 2020 - Proceedings
Publisher	IEEE
Pages	1104-1108
Number of pages	5
ISBN (Electronic)	978-1-7281-5635-4
DOIs	https://doi.org/10.1109/ISIE45063.2020.9152437
Publication status	Published - 2020
Event	29th IEEE International Symposium on Industrial Electronics - Delft, Netherlands Duration: 17 Jun 2020 → 19 Jun 2020 http://isie2020.org/index.php

Publication series

Name	IEEE International Symposium on Industrial Electronics
Volume	2020-June

Conference

Conference	29th IEEE International Symposium on Industrial Electronics
Abbreviated title	ISIE 2020
Country/Territory	Netherlands
City	Delft
Period	17/06/20 → 19/06/20
Other	Virtual/online event due to COVID-19
Internet address	http://isie2020.org/index.php

Bibliographical note

Virtual/online event due to COVID-19

Keywords

Exhaust gas measurement
Membrane
Optical MEMS
Optically transparent window
Soot deposition

Access to Document

10.1109/ISIE45063.2020.9152437

Cite this

Ghaderi, A., Middelburg, L. M., Bilby, D., Visser, J. H., Lundgren, P., Enoksson, P., & Wolffenbuttel, R. F. (2020). Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements. In 2020 IEEE 29th International Symposium on Industrial Electronics, ISIE 2020 - Proceedings (pp. 1104-1108). Article 9152437 (IEEE International Symposium on Industrial Electronics; Vol. 2020-June). IEEE. https://doi.org/10.1109/ISIE45063.2020.9152437

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title = "Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements",

abstract = "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.",

keywords = "Exhaust gas measurement, Membrane, Optical MEMS, Optically transparent window, Soot deposition",

author = "Amir Ghaderi and L.M. Middelburg and David Bilby and J.H. Visser and Per Lundgren and Peter Enoksson and R.F. Wolffenbuttel",

note = "Virtual/online event due to COVID-19 ; 29th IEEE International Symposium on Industrial Electronics, ISIE 2020 ; Conference date: 17-06-2020 Through 19-06-2020",

year = "2020",

doi = "10.1109/ISIE45063.2020.9152437",

language = "English",

series = "IEEE International Symposium on Industrial Electronics",

publisher = "IEEE",

pages = "1104--1108",

booktitle = "2020 IEEE 29th International Symposium on Industrial Electronics, ISIE 2020 - Proceedings",

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url = "http://isie2020.org/index.php",

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Ghaderi, A, Middelburg, LM, Bilby, D, Visser, JH, Lundgren, P, Enoksson, P & Wolffenbuttel, RF 2020, Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements. in 2020 IEEE 29th International Symposium on Industrial Electronics, ISIE 2020 - Proceedings., 9152437, IEEE International Symposium on Industrial Electronics, vol. 2020-June, IEEE, pp. 1104-1108, 29th IEEE International Symposium on Industrial Electronics, Delft, Netherlands, 17/06/20. https://doi.org/10.1109/ISIE45063.2020.9152437

Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements. / Ghaderi, Amir; Middelburg, L.M.; Bilby, David et al.
2020 IEEE 29th International Symposium on Industrial Electronics, ISIE 2020 - Proceedings. IEEE, 2020. p. 1104-1108 9152437 (IEEE International Symposium on Industrial Electronics; Vol. 2020-June).

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AU - Ghaderi, Amir

AU - Middelburg, L.M.

AU - Bilby, David

AU - Visser, J.H.

AU - Lundgren, Per

AU - Enoksson, Peter

AU - Wolffenbuttel, R.F.

N1 - Virtual/online event due to COVID-19

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Y1 - 2020

N2 - 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.

AB - 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.

KW - Exhaust gas measurement

KW - Membrane

KW - Optical MEMS

KW - Optically transparent window

KW - Soot deposition

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Ghaderi A, Middelburg LM, Bilby D, Visser JH, Lundgren P, Enoksson P et al. Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements. In 2020 IEEE 29th International Symposium on Industrial Electronics, ISIE 2020 - Proceedings. IEEE. 2020. p. 1104-1108. 9152437. (IEEE International Symposium on Industrial Electronics). doi: 10.1109/ISIE45063.2020.9152437

Self-Cleaning Micro-Windows for In-Tailpipe Optical Exhaust Gas Measurements

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Keywords

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