Page 134 - 48Fundamentals of Compressible Fluid Mechanics
P. 134

96                                         CHAPTER 5. NORMAL SHOCK

                                             The fluid velocity in zone 2 is the same

                                                                                                               (5.72)






                                                   From the mass conservation, it follows that
                                                                                                               (5.73)





                                                                                                               (5.74)


                                                                                            %
                                                                                   %





                                                                                              %


                                             After some rearrangement equation (5.74)        %
                                                                 ,
                                                                                                               (5.75)

                                                                               %



                                                                                          %






                                                   On the isentropic side, on zone 4, taking the derivative of the continuity
                                                                                         %
                                            equation,     
 and diving by continuity equation results in
                                                                                           %

                                                                                                               (5.76)




                                                ) yields
                                             Since the process in zone 4 is isentropic, applying the isentropic relationship (
                                             %

                                                                                                               (5.77)






                                             From equation (5.76) it follows that


                                                                          ,
                                                                                                               (5.78)









                                             Equation (5.78) can be integrated as

                                                                                                               (5.79)










                                             The results of the integration are  #



                                                                      #

                                                                                                               (5.80)












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