B215 管状火炎を用いた過熱蒸気発生器の開発(OS8 熱流動),動力エネルギーシステム部門20周年,次の20年への新展開)

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The purpose of this study is to develop the superheated steam generator using the tubular flame. The tubular flame is formed in a rotating flow field by injecting the air-fuel mixture tangentially into the cylindrical chamber. The tubular flame consists of an inner hot gas core of burning gas and an outer region of unburned mixture. The water tube located at the hot gas core can be used as the superheater of the superheated steam generator. This paper focuses on the stability of the tubular flame and related heat transfer characteristics of the water tube. Subsequently, the prototype of superheated steam generator was made. The thermal efficiency is 86 % based on HHV at the hot-water supply mode.
2010-06-20