内燃机工程2026，Vol.47Issue(3)：61-69,79,10.DOI:10.13949/j.cnki.nrjgc.2026.03.007
氢内燃机两级增压系统协同匹配设计方法
Coordinated Matching Design Method for Two-Stage Turbocharging System of Hydrogen Internal Combustion Engines
朱成 1谷允成 2谭治学 2邓康耀 3Srithar RAJOO 4杨名洋3
作者信息
- 1. 上海交通大学机械与动力工程学院,上海 200240||潍柴动力股份有限公司,潍坊 261061
- 2. 潍柴动力股份有限公司,潍坊 261061
- 3. 上海交通大学机械与动力工程学院,上海 200240
- 4. 马来西亚理工大学机械工程学院,新山81310
- 折叠
摘要
Abstract
To address the high complexity in matching and optimization design of multi-stage turbocharging systems for hydrogen engines,a coupled performance simulation model for two-stage turbocharged hydrogen engines based on turbocharger geometric configuration was constructed.Performance prediction models for turbines and compressors considering turbomachine thermodynamic processes and quasi-dimensional flow were established,and coupled with the hydrogen engine prediction model using GT-Power and Simulink,enabling coupled performance simulation and prediction of the hydrogen engine and turbocharging system.Based on the simulation method,a back-propagation(BP)neural network surrogate model between key geometric parameters of the two-stage turbocharging system and hydrogen engine thermal efficiency was developed,and sensitivity analysis was used to quantify the influence weights of key geometric parameters of the turbocharging system on engine performance.Finally,based on the reduced-order model combined with a multi-objective optimization algorithm,coordinated optimization and matching design of key geometric parameters for the two-stage turbocharging system were achieved.Coordinated optimization results indicate that the impeller trim ratio of the low-pressure stage compressor was increased from 50.96 to 59.50 to expand the stable operating range and the high-pressure stage turbine throat area was enlarged by 10％to improve the exhaust gas energy recirculation rate,positioning the compressor operating lines precisely within the high-efficiency zones.For the four operating conditions,the effective thermal efficiency showed a relative improvement of 0.88％～2.16％,the hydrogen consumption rate was reduced by 0.63～1.60 g/(kW·h)and the absolute value of pumping mean effective pressure(PMEP)markedly decreased.Meanwhile,the maximum in-cylinder combustion pressure was reduced by 1.12％～3.26％.This coordinated optimization method achieves synergistic improvements in multi-condition fuel economy and operational stability.关键词
氢内燃机/两级增压/耦合仿真/参数优化Key words
hydrogen internal combustion engine/two-stage turbocharging/coupled simulation/parameter optimization分类
能源科技引用本文复制引用
朱成,谷允成,谭治学,邓康耀,Srithar RAJOO,杨名洋..氢内燃机两级增压系统协同匹配设计方法[J].内燃机工程,2026,47(3):61-69,79,10.
