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1/2019 vol. 176
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Novel thermal method for determining properties of compressed natural gas
Stephan HEINRICH 1
,
 
Markus HIEN 2
,
 
Thorsten KNITTEL 3
,
 
Josef MUGGLI 4
 
 
 
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1
Electrical Engineering and Microsystem Technology, Continental Automotive GmbH.
 
2
Mechatronics, Continental Automotive GmbH
 
3
Technology Souct, Continental Automotive GmbH.
 
4
Sensor and Analytics, Continental Automotive GmbH.
 
 
Publication date: 2019-02-01
 
 
Combustion Engines 2019,176(1), 54-60
DOI: https://doi.org/10.19206/CE-2019-107
 
 
Article (PDF)
References (8) Citations (1)
 
KEYWORDS
calorific value
methane number
heat capacitance
temperature conductance
natural gas quality
 
ABSTRACT
The article describes a new method for obtaining fuel properties, derived from the thermal properties of natural gas fuel mixtures. By measuring the thermal conductivity and the dynamic response with the help of a heated Micro Electro Mechanical System (MEMS), input values for a mathematical correlation are obtained which predict the calorific value of the gas. In this paper the fundamentals of the theoretical gas properties, the sensor operation and the first results on a gas test bench are presented.
 
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CITATIONS (1):
1.
Efficiency and raw emission benefits from hydrogen addition to methane in a Prechamber–Equipped engine
Patrik Soltic, Thomas Hilfiker
International Journal of Hydrogen Energy
 
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