Combustion measurement in a cylindrical micro combustor, the construction procedure and test run of a MEMS reciprocating device are described. The sizing of the MEMS device was based on the findings of combustion measurements. Thermodynamic analysis of the pressure measurement resulted in available work up to 2.4 Joules in a combustor height of 2 mm and more with combustion efficiency of 0.6∼0.7. With combustor height less than 2 mm, combustion was incomplete due to excessive heat loss to the wall. In order to achieve the chamber height imposed by the combustion measurement, a fabrication process and wafer material that allow deeper etching was used.

Issue Section:
Heat Transfer Combustion and Gas Turbine
Keywords:
combustion, thermodynamics, heat losses, heat transfer, chemically reactive flow, Combustion, Combustors, Heat Transfer, Internal, Microscale, Reacting
Topics:
Combustion, Combustion chambers, Microelectromechanical systems, Heat losses, Cylinders, Pressure, Design, Manufacturing, Quenching (Metalworking), Heat transfer
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