废气涡轮增压匹配

liujie0697

废气涡轮增压的匹配：
在*.out 文件中
Processing TurbineSAEMap Object: turboSAE                                
  
I*** Default Tref = 923K set for SAE files
I*** Speed line rpms must be separated by at least 2%
  
   Speed lines found
  -------------------
   speed, #points, speed var (%):    1   5   127533.00   0.0
   speed, #points, speed var (%):    2   5   155757.00   0.0
   speed, #points, speed var (%):    3   5   179718.00   0.0
   speed, #points, speed var (%):    4   5   200452.00   0.0
   speed, #points, speed var (%):    5   5   219352.00   0.0
  
W*** Requested maximum speed less than map data, some data will be discarded!
      Map range will be reduced from=  219352.  to=  9000.
  
  Slope: fit unreliable =    0.000
  Turbine Ref. Diameter =   0.162168
PR Table2:    1127533.  1.004  0.081  0.0070
PR Table2:    2155757.  1.006  0.078  0.0082
PR Table2:    3179718.  1.008  0.078  0.0088
PR Table2:    4200452.  1.011  0.078  0.0089
PR Table2:    5219352.  1.015  0.078  0.0091
  
    Fits for mass/efficiency for each line
   line#, cm1,ce1,de2    1   1.005       1.500       1.844
   line#, cm1,ce1,de2    2   1.058       1.500       1.612
   line#, cm1,ce1,de2    3   1.061       1.500       1.515
   line#, cm1,ce1,de2    4   1.123       1.500       1.500
   line#, cm1,ce1,de2    5   1.018       1.500       1.500
  
   Mass flow  fit, lowRPM/highPR side: mass flow ratio at zero rpm: 1.05305
   Efficiency fit, lowRPM/highPR side: exponent of the curve:       1.5
   Efficiency fit, highRPM/lowPR side: RPM ratio at zero point:     1.6
  
W*** Requested map max PR is greater than top of "eff-optimum" line
      extrapolation will be used beyond PR= 1.0152

PR Table2是怎么回事，后面的那些数都是什么啊
还有cm1，ce1，de2分别代表什么？

谢谢！