エクセルギー再生燃焼による内燃機関の高性能化

概要

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In the conventional cycle, the exergy loss caused by energy conversion from thermal energy to mechanical energy is considerable. >From the viewpoint of effective regeneration of exergy in the conversion from thermal energy to kinetic energy, a combustion process under isothermal condition is newly suggested. This concept is applied to a reciprocating engine cycle consisting of isothermal expansion, which is intermediate between the Carnot and Diesel cycles. Furthermore, the polytropic compression, in which the auxiliary combustion assists the compressor, is also introduced so as to sustain the self combustion and ensure the high generating power. The cycle analysis is conducted in comparison with the conventional cycles. It is found that the proposed cycle is efficient with relatively low maximum temperature, and is suitable for a combined cycle because of high-temperature exhaust gas.
社団法人日本機械学会の論文
1999-08-25