4408 コージェネレーションを対象とした廃熱回収発電システムに関する研究(J11-1 コージェネ,マイクログリッド,J11 小型・分散エネルギー技術)

概要

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In this study, we aim to construct the heat recovery generation system for co-generation using steam Rankin cycle for low capacity prime mover of about 500kW or less. As power recovery device, we focused attention on the scroll expander with high-efficiency potential. However, performance characteristics of the scroll expander for steam are not apparent. The purpose of this paper is to clarify the performance characteristics of the scroll steam expander. As the result of comparing performance characteristics of steam with that of compressed air, at the condition of constant suction pressure (300kPa) and rotation speed of in the range from 500rpm to 3000rpm, the net efficiency of compressed air is in the range of 50% to 20%, on the other hand, that of steam is in the range of 10% to 40%. Moreover, in case of steam, it was shown that the influence of the leakage loss and the heat loss are the largest.
社団法人日本機械学会の論文
2006-09-15