| Budget Amount *help |
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2020: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
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| Outline of Final Research Achievements |
In this study, a liquid piston engine and an acoustic engine with a flywheel were developed for a heat engine without solid moving parts. The liquid piston engine uses the coupled vibration of multiple liquid columns to control the working gas instead of the reciprocating motion of a solid piston to execute an energy conversion cycle. We analyzed the operating mechanism and established design guidelines by constructing a theoretical model and conducting experiments. A prototype acoustic engine with a flywheel was successfully developed, and its basic operating dynamics was investigated experimentally and numerically.
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