Abstract

Temperature sensors used in emission systems of internal combustion engines must register enormous temperature differences within the shortest periods of time. This serves to protect the engine parts with respect to their temperature stability and to govern the energy efficient functioning of the engine. This study will describe how the use of experimental numerical procedures allows the construction of temperature sensors to satisfy these demands. The experimental equipment will be presented and the results will be evaluated. Numerical calculations according to the finite element method are used to estimate static-thermal measurement errors and dynamic characteristics primarily concerning the specific medium and construction of the temperature sensors.

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