Page 240 - Compression Machinery for Oil and Gas
P. 240

228 SECTION    II Types of Equipment



                                                  29
                                                  28
                                                 24 25 26 27


                                                 23         160
                                                 22
                                                 21
                              Motor
                                                  17 1819 20


                                                  16 15     120
                     Coupling                     1314        Axial location (in)



                                                  11 12     80
                                                  10 9
                             Reciprocating  compressor  8 7






                                                  5 6       40       SwRI.)
                                                                     of
                                                  4
                                                                     (Courtesy
                                                  3
                                                  2
                                                  1
                                                            0
                                             20  10  0  –10  –20     graphics.
                                                        Shaft radius (in)
                                                                     and
                     Station  inertia  lb-in-s 2  0.9  1.9  5.0  5.0  1.3  1.3  1.3  5.0  5.0  1.9  1.1  23.3  23.7  0.4  0.8  1.0  0.7  1.0  1.9  71.7  141.2  141.2  141.2  71.7  1.9  1.0  0.7  0.9  0.5  table
                                                                     model
                     Element  stiffness  in-lb* 10 6  93.1  124.1  112.2  124.3  112.7  112.7  124.1  112.2  124.1  85.7  203.4  61.5  421.8  271.1  453.1  276.1  924.4  1568.9  1580.6  1035.1  1035.1  1035.1  1035.1  1580.6  1568.9  924.4  276.1  513.3  –  elastic


                     Element  stress  in  5.000  5.550  5.000  5.550  5.000  5.550  5.000  5.550  5.000  5.550  4.500  –  6.500  6.500  7.870  7.076  7.870  9.444  10.000  10.000  10.000  10.000  10.000  10.000  9.444  7.870  7.076  7.870  –  mass


                      Station  #  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  Representative


                      Description  Outboard end  Compressor  Compressor  Compressor  Compressor  Compressor  Compressor  Compressor  Compressor  Compressor  Compressor  Coupling  Motor DE  Motor  Motor  Motor  Motor  Motor  Motor  Motor core  Motor core  Motor core  Motor core  Motor  Motor  Motor  Motor  Motor  Motor NDE  5.41

                                                                     FIG.
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