自然エネルギー利用と応用物理

抄録

Based on the author's subjectivism that the future energy situation will follow the path near so called ‘hard energy path’, the role of energy technologies for the energy problems is stressed and the natural energy resources are positioned as complementary of fossil and atomic energy.
The kinds and amounts of the natural energy resources are reviewed. It is considered to be necessary to generalize the scheme of energy engineering for the assesment of various kinds of energy resources and technologies. Applied physicists are hoped to be more active to do everything.
The component technologies such as energy conversion devices of low exergy density, energy storage devices and high efficiency heat exchangers will be key technologies not only for new energies but also for energy-saving.