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In mechanical engineering, the Beale number is a parameter that characterizes the performance of Stirling engines. It is often used to estimate the power output of a Stirling engine design. For engines operating with a high temperature differential, typical values for the Beale number range from ( 0.11 ) to ( 0.15 ); where a larger number indicates higher performance. ==Definition== The Beale number can be defined in terms of a Stirling engine's operating parameters: : where: *Bn is the Beale number *Wo is the power output of the engine (watts) *P is the mean average gas pressure (Pa) or (MPa, if volume is in cm3) *V is swept volume of the power piston(m3) or (cm3, if pressure is in MPa) *F is the engine cycle frequency (Hz) 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Beale number」の詳細全文を読む スポンサード リンク
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