Page 12 - 6686
P. 12

                    
                1    2    3    4    5    6  
             a
                              6
              , 0  01167   , 0  02167   , 0  01833   , 0  03833   , 0  03167   , 0  00833
                                                                         
                                          6

                           2
             , 0  02167 mkm  .

           Root mean square deviation is determined by the formula:
                                    2   2    2   2   2    2
                                                       
                              S    1   2    3   4    5   6  
                                               n
                    2         2        2         2        2         2
               , 0  01167   , 0  02167   , 0  01833   , 0  03833   , 0  03167   , 0  00833
                                                                       , 0  024mkm  2
                                         6

           Relative error of measurements is determined by the formula:
                                 , 0  02167
                     a   100 %        100 %  13  4 ,  %
                     k            , 0 16167
                      a

                                                                          2
             Answer:  the  root  mean  square deviation  is   S=0,024  mkm ;
                                                2
           Absolute  error   a    , 0  02167 mkm  .  and  relative  error  of
           measurement     13  4 ,  % .
                Task 1.2
                Determine  the  root  mean  square deviation,  absolute  and
           relative measurement error for the filtration rate of the fluid by the
           law of Darcy for such values of pressure  p = 1,2; 1,5; 1,1; 1,7;
           1,4  MPa;  if  the  length  of  the  sample  of  rock   l   2 (   ) n cm
           (where  n  -  number  of  student’s  variant);  liquid  density  -  870
                                             -7
                3
           kg/m ; filtration coefficient - 3,810  m/s; acceleration of gravity -
                   2
           9.81 m/s .


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