Module 5: Premixed Flame
  Lecture 23: Structure of 1D Premixed Flame
 


Laminar Flame Theory (Contd.)

Heat release due to chemical reaction:

… (7)
Now energy equation becomes

In the reaction zone,

… (8)
 

Boundary conditions (For preheat zone)

 
   
… (10)
   
… (11)

Recasted energy equation for preheat zone,

Rewriting, E.g. (11).

… (9)
 
… (12)

Heat transfer due to conduction is balanced by convective heat transfer.

 
… (13)