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Diesel Cycle Cutoff Ratio

Diesel Cycle Cutoff Ratio Equation


$$ \rho = \frac{V_3}{V_2} $$ where:

ρ   =   Cutoff Ratio   (Dimensionless)

V3   =   Volume after heat addition   (m³)

V2   =   Volume before heat addition   (m³)


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Equation Assumptions


  • The working fluid behaves as an ideal gas.
  • Compression and expansion stages are adiabatic.
  • There are no heat losses to surroundings.
  • Specific heats remain constant.