Beale Number - Definition

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 expansion space (m3) or (cm3, if pressure is in MPa)
  • F is the engine cycle frequency (Hz)

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