4.9. Combustion in Small Volumes

Combustion in small volumes has recently become of interest to applications of micro power generation [8084], micro propulsion [8597], micro engines [98105], micro actuation [106108], and micro fuel reforming for fuel cells [109111]. The push toward miniaturization of combustion based systems for micro power generation results in large part from the low specific energy of batteries and the high specific energy of liquid hydrocarbon fuels [80]. The interest in downsizing chemical thrusters, particularly solid propellant systems, results from the potential gain in the thrust-to-weight ratio, T/W ∝ L1, since weight is proportional to the linear characteristic dimension of the system cubed (L3) and thrust is ...

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