Classification of Combustion Problems

  • Time dependence
    • Steady
    • Unsteady
  • Spatial Dependence
    • 1D
    • 2D planar
    • 2D axisymmetric
    • 3D
  • Mixing condition of initial reactants
    • Premixed
    • Nonpremixed (diffusion)
  • Flow conditions
    • Laminar
    • Turbulent
  • Initial phases of reactants
    • Single-phase
    • Two-phase
    • Multiphase
  • Sites of reactions
    • Homogeneous
    • Heterogeneous
  • Rate of reaction
    • Chemical equilibrium (infinite rate)
    • Finite rate
  • Type of convection
    • Natural convection
    • Forced convection
  • Degree of compressibility of flow
    • Incompressible
    • Compressible
  • Speed of the combustion wave
    • Deflagration (subsonic combustion wave)
    • Detonation (supersonic combustion wave)

Source: Principles of Combustion by K.K. Kuo

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