1.  에너지와 운동량 Flux에 의한 표현

 

  직교좌표(rectangular coordinates : x, y, z)

 

                                                 

                                              

                                         

(1)

 

 

  원통좌표(cylindrical coordinates : r, θ, z)

 

                                       

                         

           

(2)

 

 

  구좌표(spherical coordinates : r, θ, φ)

 

   

                                

                                          

(3)

 

 

 

 

  2.  밀도(ρ)와 전달상수(k)가 일정한 Newtonian 흐름의 경우

 

  직교좌표(rectangular coordinates : x, y, z)

 

                                                

(4)

 

 

  원통좌표(cylindrical coordinates : r, θ, z)

 

                                  

                                                                

                                            

(5)

 

 

  구좌표(spherical coordinates : r, θ, φ)

 

                            

        

(6)

 

 

 

 

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