Page 49 - Mechanical Engineers Reference Book
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1/38  Mechanical engineering principles





        F
                \ Criticat point CP










                                                         I
                                                                                     V
            Y       (Dryness fraction x)                Figure 1.53  Gas processes on a p-v  diagram





                                                                         pv7  =c
                                              V
                                                        Torh
         Figure 1.50  Substance phases and definitions

                                  P











                                                             I
                                                                                         S
                                                        Figure 1.54  Gas processes on a 7-s diagram
                                        S
         Figure 1.51  Steam processes on an h-s  diagram

                                                        T







                                                          I







                                       S
         Figure 1.52  Steam processes on a T-s  diagram   Figure 1.55  The Joule cycle
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