Data Mining for High-Dimensional Design Space of High Pressure Turbine Stage Using SHAP

YANG Zhao; GUO Zhendong; SU Pengfei; WANG Qineng; SONG Liming

doi:10.7652/xjtuxb202506015

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Data Mining for High-Dimensional Design Space of High Pressure Turbine Stage Using SHAP

更新时间：2025-08-26

- Data Mining for High-Dimensional Design Space of High Pressure Turbine Stage Using SHAP
- Journal of Xi’an Jiaotong University Vol. 59, Issue 6, Pages: 144-154(2025)
- 作者机构：
  
  1.西安交通大学能源与动力工程学院， 710049，西安
  2.东方汽轮机有限公司清洁高效透平动力装备全国重点实验室， 618000，四川德阳
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202506015
  CLC： TK471
- Received：22 November 2024，
  
  Online First：25 February 2025，
  
  Published：10 June 2025
- 稿件说明：
移动端阅览
YANG Zhao, GUO Zhendong, SU Pengfei, et al. Data Mining for High-Dimensional Design Space of High Pressure Turbine Stage Using SHAP[J]. Journal of Xi’an Jiaotong University, 2025, 59(6): 144-154.
DOI：

YANG Zhao, GUO Zhendong, SU Pengfei, et al. Data Mining for High-Dimensional Design Space of High Pressure Turbine Stage Using SHAP[J]. Journal of Xi’an Jiaotong University, 2025, 59(6): 144-154. DOI： 10.7652/xjtuxb202506015.

摘要

为厘清涡轮级高维设计空间中各变量对级性能的影响，基于数据挖掘方法SHAP对GE-E3高压涡轮第一级的93个设计变量进行了知识挖掘。除常规数据挖掘工作中显著变量对总体性能的影响分析外，发展了显著变量对涡轮级沿叶高方向性能分布影响的分析方法，可视化表示了改善级总体性能的设计变量所影响的涡轮级的具体位置；同时，充分发挥SHAP局部解释的优势，在设计空间中选取典型样本进行归因分析，研究了各设计变量在样本性能指标变化中所发挥的作用。研究发现，对于高压涡轮级，影响级效率的显著变量包括有效出气角、静叶三维积叠参数、叶片吸力面前缘附近样条控制点等。基于GE-E3高压涡轮数据集进行数据挖掘归纳得到涡轮级设计准则：减小动叶中间截面有效出气角、增大静叶中间截面有效出气角，静叶三维积叠点周向顶部位置、周向中间位置向压力面偏移，静叶中间截面、动叶中间截面吸力面前缘附近控制点均向叶片变薄方向移动。遵循设计准则得到的最终设计使级效率提高了0.65%。

Abstract

In order to clarify the influence of various variables on the performance of turbine stage in high-dimensional design space

the knowledge mining of 93 design variables of GE-E3 high-pressure turbine first stage was carried out based on the data mining method SHAP. In addition to the analysis of the influence of significant variables on the overall performance in conventional data mining work

the analysis method of the influence of significant variables on the performance distribution along spanwise of turbine stages was developed

and the specific positions of turbine stage affected by the design variables to improve the overall performance of the stage were visualized. At the same time

SHAP’s advantage in local explanations was fully leveraged

attribution analysis on typical samples in the design space was conducted

and the role of each design variable in the change of performance indicators was studied. The results showed that for the high-pressure turbine stage

significant variables affecting stage efficiency included the effective output angle

three-dimensional stacking parameters of the stator

and the spline control points near the suction leading edge of blades. Based on GE-E3 high-pressure turbine dataset

data mining was conducted to obtain turbine stage design criteria: When the effective output angle of the middle section of the rotor is reduced and the effective output angle of the middle section of the stator is increased

the circumferential top and middle positions of the three-dimensional stack points of the stator will be shifted to the pressure surface

and the control points near the suction leading edge of the middle section of both the stator and rotor will move in the direction of blade thinning. The new design according to the design criteria has improved the stage efficiency by 0.65%.

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references

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