Mixed/Dual Cycle

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Dual Combustion Cycle (also known as the limited pressure or mixed cycle, Seiliger cycle or Sabathe cycle) is a thermal cycle that is a combination of the Otto cycle and the Diesel cycle. Heat is added partly at constant volume and partly at constant pressure, the advantage of which is that more time is available for the fuel to completely combust. Because of lagging characteristics of fuel this cycle is invariably used for diesel and hot spot ignition engines.

The dual cycle consists of following operations:

  1. Adiabatic compression
  2. Addition of heat at constant volume.
  3. Addition of heat at constant pressure.
  4. Adiabatic expansion.
  5. Rejection of heat at constant volume.
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v • d • e
Thermodynamic cycles
Cycles normally with
external combustion
Gas cycles without phasechange -
hot air engine cycles		 Bell Coleman cycle · Brayton/Joule cycle; (Externally heated) · Carnot cycle  · Stirling cycle  · Pseudo Stirling cycle is same as Adiabatic Stirling cycle[1] [2]  · Ericsson cycle · Stoddard cycle · Ported constant volume cycle[3]  · Vuilleumier cycle
Cycles with phasechange Kalina cycle · Rankine cycle · Regenerative cycle · Two phased Stirling cycle[4]
Cycles normally with
internal combustion		 Atkinson cycle · Brayton/Joule cycle · Diesel cycle · Otto cycle · Lenoir cycle · Miller cycle
Cycle mixing Combined cycle · HEHC cycle[5][6] · Mixed/Dual Cycle
Not categorized Claude cycle [7] · Fickett-Jacobs cycle · Gifford-McMahon cycle [8] · Hirn cycle · Homogeneous Charge Compression Ignition · Humphrey cycle · Linde-Hampson cycle
Retrieved from "http://en.wikipedia.org/wiki/Mixed/Dual_Cycle"
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