为改善传统涡轮增压的不足，对某船用V型柴油机增压系统进行设计改进。提出了利用两增压器与三增压器相继增压的2种方案，通过GT-Power 分别对其进行推进特性下的仿真计算，研究柴油机的性能变化及控制策略，对2种增压方案进行对比。结果表明：在此切换策略下三增压器方案油耗要低于两增压器方案，最低可减少12.6 g/kWh，约下降6.1% 。且三增压器方案低工况1 TC运行稳定，满足柴油机低负荷性能要求。研究结果认为三增压器相继增压方案可以实现柴油机全工况良好匹配，经济性更好。为柴油机增压系统优化设计提供一定思路参考。
In order to improve the shortcomings of traditional turbocharging, this study proposes design improvements for the turbocharging system of a marine V-type diesel engine. Two sequential turbocharging configurations were investigated: a dual-turbocharger system and a triple-turbocharger system. GT-Power simulation software was employed to conduct performance simulations under propulsion operating conditions, with comparative analysis focusing on engine performance variations and control strategies. Under this strategy, the triple-turbo configuration exhibits superior fuel economy with a maximum reduction of 12.6 g/kWh (approximately 6.1%) compared to the dual-turbo system. Furthermore, the triple-turbo system maintains stable 1 TC operation under low-load conditions, meeting the performance requirements of the diesel engine. The study concludes that the triple-turbo sequential charging system achieves optimal full-load matching capabilities and enhanced fuel economy. This research provides valuable insights for the optimization design of diesel engine turbocharging systems.
2025,47(23): 130-135 收稿日期：2025-4-5
DOI：10.3404/j.issn.1672-7649.2025.23.020
分类号：U664
作者简介：王政远(1998-),男,硕士研究生,研究方向为内燃机增压与控制
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