University of Twente Student Theses


Microburner for Wobbe Index measurements

Mekenkamp, E. (2015) Microburner for Wobbe Index measurements.

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Abstract:the exchangeability of different gasses. In this report the size of a Wobbe Index Meter is scaled to micrometer-dimensions. To do so, multiple physical aspects are taken into account such as temperature, fluid flows, mechanical expansion due to heat and combustion effects. To limit the influence of each different physical property, the problem is divided into 3 almost independent parts, namely mixing, preheating and combustion. This leads to eleven designs where the difference is emphasized on the combustion section. The devices are fabricated using the Surface Channel technology (SCT) process. During the process multiple chips were unusable resulting that not every design can be measured. The TCR of the resistors shows a high correlation on chip with a maximum variation of <4.8%. by applying gas and heating the heaters a temperature increase of 70�C could be observed. No temperature variation due to fluid flow could be observed thus no temperature of the gas could be measured.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:50 technical science in general
Programme:Electrical Engineering MSc (60353)
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