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Meanline analysis method for performance analysis of a multi-stage axial turbine in choking region

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Fig.  2  Algorithm  for  performance  prediction  of  a  turbine  in  a  un-choked  condition    터빈의  속도  삼각형을  계산하기  위해서는  노즐 및 로터 입구와 출구에서의 속도 크기,  방향이 필요하게 된다
Fig.  3  Algorithm  for  performance  prediction  of  a  turbine  in  a  choked  condition가  목표  압력비  보다  작은  조건에서  반복  계산 과정에서  유량  변화의  정도가  10-4보다  작은  경우  초킹되는  지점으로  판단하였다
Fig.  5  Total  temperature  distribution  for  a  5-stage  axial  turbine
Fig.  10  Equivalent  mass  flow  rate  with  axial  position  for  a  4-stage  axial  turbine

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