Abstract
We discuss a thermoelectric energy generation (TEG) technique by employing a thermomechanical model of a drinking bird (DB). The motion of a drinking bird is produced by the entropy-flow explained by the second law of thermodynamics, which is one of the fundamental laws of heat engines. We propose a disk-magnet electromagnetic induction (DM-EMI) employed to the motion of a drinking bird. The generalization of DM-EMI to heat engines for mechanoelectric energy conversions and properties of extracted electric powers are specifically discussed. The electric power of DM-EMI has a limited power generation characteristic to a mechanical rotation produced by heat engines, but it will be very useful for practical applications to wind turbines, coal-fired and nuclear power plant for mechanoelectric energy conversions. The DM-EMI will contribute to environmental problems to maintain clean and susceptible energy as one of energy harvesting technologies.
Highlights
A mathematical expression of motion for a thermomechanical drinking bird (DB) was discussed and numerical solutions were explicitly derived and shown [1]
The electric power of disk-magnet electromagnetic induction (DM-EMI) has a limited power generation characteristic to a mechanical rotation produced by heat engines, but it will be very useful for practical applications to wind turbines, coal-fired and nuclear power plant for mechanoelectric energy conversions
A drinking bird is a model of irreversible thermodynamics and manifests basic principles of heat engines, which is useful for mechanoelectric energy conversions
Summary
A mathematical expression of motion for a thermomechanical drinking bird (DB) was discussed and numerical solutions were explicitly derived and shown [1]. A drinking bird is a model of irreversible thermodynamics and manifests basic principles of heat engines, which is useful for mechanoelectric energy conversions. The model reproduced a DB’s periodic motion reasonably well with the assumption of a constant speed, v0 , of volatile liquid in a DB’s glass tube. T. Uechi result is somewhat surprising, because DB’s motion is a simple back-and-force oscillating motion and the speed, v0 , of volatile water in the glass tube should not be constant. The analysis of sensitive heat engines is essential for effective and optimal uses of energies in mechanical applications and fundamental understanding of thermodynamic phenomena. As explained in the previous paper for testability and applicability [1], we will show a specific thermally-driven mechanoelectric energy conversion technique derived from the sensitive irreversible thermodynamic structure of a drinking bird.
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