燃料电池两级离心空压机典型工况气动性能研究

孙秀秀; 张中原; 王林; 张前; 马腾; 孟琪

doi:doi:10.19912/j.0254-0096.tynxb.2024-1421

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燃料电池两级离心空压机典型工况气动性能研究

更新时间：2026-01-08

- 燃料电池两级离心空压机典型工况气动性能研究
- Vol. 46, Issue 12, Pages: 101-107(2025)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1421
  CLC： TM911
- Published Online：07 January 2026，
  
  Published：2025
- 稿件说明：
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孙秀秀, 张中原, 王林, et al. 燃料电池两级离心空压机典型工况气动性能研究[J]. 2025, 46(12): 101-107.
DOI：

孙秀秀, 张中原, 王林, et al. 燃料电池两级离心空压机典型工况气动性能研究[J]. 2025, 46(12): 101-107. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1421.

摘要

变海拔下两级空压机气动性能严重下降

无法满足高功率密度燃料电池的动态需求

为拓宽两级空压机工作极限

采用数值模拟方法研究典型工况下的气动性能。结果表明：随着进气压力的降低

两级空压机压比降低32.73%

等熵效率降低34.60%;随着进气温度的升高

两级空压机压比升高23.27%

等熵效率降低12.76%;随着空压机转速的增大

两级空压机压比升高145%

等熵效率先升高后下降

在设计转速附近达到最大值

为66.83%。

Abstract

The aerodynamic performance of a two-stage air compressor under variable altitude is severely degraded and cannot meet the dynamic demands of high-power-density fuel cells. In order to broaden the working limit of the two-stage air compressor

numerical simulation was used to study the aerodynamic performance under typical working conditions. The results show that： with the decrease of inlet pressure

the pressure ratio of the two-stage air compressor decreases by 32.73%

and the isentropic efficiency decreases by 34.60%; with the increase of inlet temperature

the pressure ratio of the two-stage air compressor increases by 23.27%

and the isentropic efficiency decreases by 12.76%; with the increase of rotational speed

the pressure ratio of the two-stage compressor increases by 145%

and the isentropic efficiency increases first and then decreases

reaching a maximum value of 66.83% near the design speed.

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references

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Related Institution

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