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High-efficiency hybrid cycle

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Thermodynamics
The classical Carnot heat engine
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Specific heat capacity  c = {\displaystyle c=}
T {\displaystyle T} ∂ S {\displaystyle \partial S}
N {\displaystyle N} ∂ T {\displaystyle \partial T}
Compressibility  β = − {\displaystyle \beta =-}
1 {\displaystyle 1} ∂ V {\displaystyle \partial V}
V {\displaystyle V} ∂ p {\displaystyle \partial p}
Thermal expansion  α = {\displaystyle \alpha =}
1 {\displaystyle 1} ∂ V {\displaystyle \partial V}
V {\displaystyle V} ∂ T {\displaystyle \partial T}
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The high-efficiency hybrid cycle (HEHC) is a new 4-stroke thermodynamic cycle combining elements of the Otto cycle, Diesel cycle, Atkinson cycle and Rankine cycle.

HEHC engines

The 3rd generation design of the Liquidpiston Engine currently in development is the only engine currently designed around the HEHC. It is a rotary combustion engine.

References

  1. Nikolay Shkolnik; Alexander C. Shkolnik (September 2005). "High Efficiency Hybrid Cycle Engine" (PDF). Retrieved 2008-05-18.
  2. How Our Rotary Engine Works | LiquidPiston

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Thermodynamic cycles
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