DIN 31652-2:2015-06 (Draft)

1 Scope and field of application
2 Functions relating to full circular cylindrical bearing
      (omega = 360degree)
      2.1 Sommerfeld number So as a function of relative
             eccentricity epsilon and relative bearing length
             B/D
      2.2 Attitude angle beta as a function of relative
             eccentricity epsilon and relative bearing length
             B/D
      2.3 Relative coefficient of friction mu/psi eff as a
             function of Sommerfeld number So and relative
             bearing length B/D
      2.4 Lubricant flow rate resulting from development of
             internal pressure
      2.5 Lubricant flow rate resulting from feeding
             pressure
             2.5.1 Lubricant feed through lubrication hole
                      located opposite to direction of loading
             2.5.2 Lubricant feed through lubrication hole
                      located at 90degree to direction of
                      loading
             2.5.3 Lubricant feed through two lubrication
                      holes location at + 90degree to
                      direction of loading
             2.5.4 Lubricant feed through lubrication
                      groove (ring groove)
             2.5.5 Lubricant feed through lubrication
                      groove (circumferential groove)
             2.5.6 Lubricant feed through lubrication bore
                      relief located opposite to direction of
                      loading
             2.5.7 Lubricant feed through lubrication bore
                      relief located at 90degree to direction
                      of loading
             2.5.8 Lubricant feed through two lubrication
                      bore reliefs located at + 90degree to
                      direction of loading
3 Functions relating to the semi-circular cylindrical
      bearing (omega = 180degree)
      3.1 Sommerfeld number So as a function of relative
             eccentricity epsilon and relative bearing length
             B/D
      3.2 Attitude angle beta as a function of relative
             eccentricity epsilon and relative bearing length
             B/D
      3.3 Relative coefficient of friction mu/psi eff as a
             function of Sommerfeld number So and relative
             bearing length B/D
      3.4 Lubricant flow rate resulting from development of
             internal pressure
4 Effective dynamic viscosity eta eff of lubricant as a
      function of effective bearing temperature teff