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    Highly loaded multi-stage fan drive turbine - performance of initial seven configurations (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Experimental results of a three-stage highly loaded fan drive turbine test program are presented. A plain blade turbine, a tandem blade turbine, and a tangentially leaned stator turbine were designed for the same velocity diagram and flowpath. Seven combinations of bladerows were tested to evaluate stage performances and effects of the tandem blading and leaned stator. The plain blade turbine design point total-to-total efficiency was 0.886. The turbine with the stage three leaned stator had the same efficiency with an improved exit swirl profile and increased hub reaction. Two-stage group tests showed that the two-stage turbine with tandem stage two stator had an efficiency of 0.880 compared to 0.868 for the plain blade two-stage turbine.
    Keywords: PROPULSION SYSTEMS
    Type: NASA-CR-2362 , R73AEG154
    Format: application/pdf
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