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34

                         Small rolls or small reductions














                                                      -> 0)                         0





                                                                      µ  L      h  ave

                                                                                2

                                                                          +

                                                                          1
                                                                                                           Prof. Ramesh Singh, Notes by Dr.   Singh/ Dr. Colton
                                                                           flow                  flow



                                                                          ⋅Y                     Y  ⋅


                                                                          15                     15

                                          1           friction is not significant  (µ  .         .  1

                                          >>                              1  =                   =




                                     h ave     L                          p  ave                 p  ave





                                          =


                                          ∆





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