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第 3 期                      孙浩洋, 等: 供油量对对数滚子弹流润滑特性的影响研究                                       351



                                      0.6                                                0.6


                                      0.4                                               0.4
                                          p/GPa                                             p/GPa
                                      0.2                                               0.2

                                     0.0                                               0.0
          25                                                25
                                     1.5                                               1.5
              20                 0.0                            20                 0.0
                             −1.5
             Y                                                 Y               −1.5
                                  X                                                 X
                    15  −3.0                                          15  −3.0
                                               (a)  δ=1
                                      0.6                                                0.6


                                      0.4                                               0.4
                                          p/GPa                                             p/GPa
                                      0.2                                               0.2

                                     0.0                                               0.0
          25                                                25
                                     1.5                                               1.5
              20                 0.0                            20                 0.0
                             −1.5                                              −1.5
                                  X                                                 X
             Y                                                 Y
                    15  −3.0                                          15  −3.0
                                              (b)  δ=1.2
                                        0.6                                               0.6


                                        0.4                                               0.4
                                            p/GPa                                             p/GPa
                                       0.2                                               0.2

                                      0.0                                                0.0
           25                                                25
                                      1.5                                                1.5
                20                 0.0                            20                 0.0
                              −1.5                                              −1.5
              Y                                                  Y
                                    X                                                 X
                      15  −3.0                                          15  −3.0
                                                (c)  δ=1.5
                                        0.6                                               0.6


                                        0.4                                               0.4
                                            p/GPa                                             p/GPa
                                       0.2                                               0.2

                                      0.0                                                0.0
           25                                                25
                                      1.5                                                1.5
                20                 0.0                            20                 0.0
                              −1.5                                              −1.5
              Y                                                  Y
                                    X                                                 X
                      15  −3.0                                          15  −3.0
                                                (d)  δ=3.0

       Fig. 7  Comparisons of the effect of crowning value on the end pressure distributions under different oil supply conditions
                   (the left columns are the solutions of oil starvation h oil =0.25 μm,the right columns are the
                                         solutions of full oil supply)
          图 7    不同供油量工况下凸度量对端部压力分布的影响比较(左列为乏油解h oil =0.25 μm,右列为充分供油解)
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