Research on Improving the Compression Ratio of Hydrogen Internal Combustion  Engines by Using Exhaust Gas Recirculation and Miller Cycle

郝嘉田; 孙柏刚

doi:10.13949/j.cnki.nrjgc.2021.05.008

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Research on Improving the Compression Ratio of Hydrogen Internal Combustion Engines by Using Exhaust Gas Recirculation and Miller Cycle

更新时间：2026-04-16

- Research on Improving the Compression Ratio of Hydrogen Internal Combustion Engines by Using Exhaust Gas Recirculation and Miller Cycle
- Vol. 42, Issue 5, Pages: 52-59(2021)
- 作者机构：
  
  北京理工大学机械与车辆学院,北京,100081
- 作者简介：
- 基金信息：
- DOI：10.13949/j.cnki.nrjgc.2021.05.008
  CLC：
- Published：2021
- 稿件说明：
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郝嘉田,孙柏刚.利用废气再循环与米勒循环提高氢内燃机压缩比的研究[J].内燃机工程,2021,42(5):52-59.

郝嘉田, 孙柏刚. Research on Improving the Compression Ratio of Hydrogen Internal Combustion Engines by Using Exhaust Gas Recirculation and Miller Cycle[J]. 2021, 42(5): 52-59.
郝嘉田,孙柏刚.利用废气再循环与米勒循环提高氢内燃机压缩比的研究[J].内燃机工程,2021,42(5):52-59. DOI： 10.13949/j.cnki.nrjgc.2021.05.008.

郝嘉田, 孙柏刚. Research on Improving the Compression Ratio of Hydrogen Internal Combustion Engines by Using Exhaust Gas Recirculation and Miller Cycle[J]. 2021, 42(5): 52-59. DOI： 10.13949/j.cnki.nrjgc.2021.05.008.

摘要

建立了氢内燃机一维模型，分别仿真分析了废气再循环（exhaust gas recirculation， EGR)技术和米勒循环技术对抑制爆震及氮氧化物（NOx)排放的效果，最后结合两种技术探索了可达到的最大压缩比和最好的NOx排放性能。结果显示EGR技术对抑制NOx排放更有效，米勒循环对抑制爆震更有效，最终在本研究的工况下，可以将内燃机的压缩比从10.0提升到18.4，指示热效率提升了8.0%，达到了44.87%，同时NOx排放减少了26.2%，达到了1.937g/(kW·h)。

Abstract

A one-dimensional model of a hydrogen internal combustion engine was built

and the effects of exhaust gas recirculation technology(EGR) and Miller cycle technology on the suppression of knocking and nitrogen oxides(NOx) generation were simulated and analyzed. At last

these technologies were combined to explore the maximum achievable compression ratio and the best NOx emission performance. The results show that EGR technology is more effective in suppressing NOx production

while the Miller cycle is more effective in suppressing knocking. Finally

the compression ratio of the internal combustion engine can be increased from 10.0 to 18.4. The efficiency is reduced by 8.0% to 44.87%. And the NOx emissions are reduced by 26.2% to 1.937g/(kW·h) at the same time.

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