Formula Sheet

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7/21/2019 Formula Sheet

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Formula Sheet –  ME439 Internal Combustion Engines

= 2( + )   ;   =

   ;   =  

  ; = 4

 (for 4 stroke) ; 

= 2

 (for 2 stroke) ; = 2   (for 4 stroke);  =  

 for 2 stroke 

= +   ; = + √ sin + c o s  

=

2 sin[1 + cos

  sin ] 

  =2  ;   = 2 ; = 2  

For isentropic processes: = and − = − =

1 =  

For heat addition: = Δ; = Δ and =  

= 1 1