抄録
Devices such as robots have become increasingly sophisticated and compact, the amount of energy required for their operation has increased . For those devices, small portable distributed power sources with higher energy density than the conventional battery are required. In this research, we focused on the small glow-ignition engine developed for model airplanes to verify a possibility that glow-ignition small engines replace electric cells as an energy source for micro-size machines. In order to clarify the combustion process, a miniature pressure sensor was built into the cylinder head, and pressure fluctuation was measured. Analysis was conducted to detect heat release and ignition timing. The base engine was a commercial glow-ignition four-stroke engine with a swept volume of 4.89 cc.
