OS11-7 強制駆動時の熱音響現象における冷却特性とスタックの流路半径の関係について(OS11 廃熱利用技術,循環型社会における動力エネルギー技術)

概要

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A purpose of this study is to realize more effective heat exchange in the stack. The focus of this report is relationship between phase difference φ (between sound pressure and particle velocity in resonance tube) and channel radius of the stack. Phase difference φ means the ratio of the standing wave and the traveling wave on the position in resonance tube. On the other hand a non-dimensional parameter ωτ is determined by channel radius of the stack and resonant frequency. Thus, In this study, relationship between ωτ, phase difference φ, and cooling performance is discussed with χ' and χ" that depend on ωτ. Therefore, result of this study indicates when ωτ was determined, the insertion position of the stack can be estimated by ωτ.
2007-06-13