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汽车安全与节能学报

汽车安全与节能学报 ›› 2014, Vol. 5 ›› Issue (01): 76-82.DOI: 10.3969/j.issn.1674-8484.2014.01.010

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用液氧固碳技术的内燃机富氧燃烧数值模拟和试验

刘永峰1，贾晓社1，裴普成2，卢勇2   

  1. 1. 北京建筑大学 机电与车辆工程学院，北京 100044，中国；
    2. 清华大学 汽车安全与节能国家重点实验室，北京 100064，中国）
  • 收稿日期:2013-09-24 出版日期:2014-03-25 发布日期:2014-04-08
  • 基金资助:

    国家自科学基金面上资助项目（5117 6082）；北京市属高等学校高层次人才引进与培养计划项目——长城学者培养计划（CIT&TCD20140311）

Numerical simulations and experiments of oxygen-enriched combustion in engine and using liquid oxygen to solidify carbon

LIU Yongfeng1, JIA Xiaoshe1, PEI Pucheng2, LU Yong2   

  1. 1. School of Mechanical-electronic and Automobile Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
    2. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
  • Received:2013-09-24 Online:2014-03-25 Published:2014-04-08

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摘要： 为验证内燃机全封闭进排气系统的可行性，研究了液氧固碳内燃机燃烧的理论和实验基础。
应用KIVA-3V 程序，建立了汽油机燃烧室计算网格，分析了在废气再循环（EGR）率大于8% 时，EGR 率
对缸内平均温度、压力、放热率和CO2 浓度的影响。改造IP52FMI 单缸四冲程汽油机，去掉了缸内喷
水系统，试验了自制的二氧化碳捕集装置。结果表明：当EGR 率为40% 时为最优EGR 率；持续1~10
min 向装置中通入液氧27~231 g，得干冰32~345 g。因而，验证了使用本二氧化碳捕集装置，可实
现液氧气化，并冷凝CO2 为干冰。

关键词: 内燃机, 二氧化碳减排, 富氧燃烧, 液氧固碳技术, 数值模拟, KIVA-3V 程序, 试验

Abstract: Theoretical and experimental bases were investigated for internal combustion engine using liquid
oxygen to solidify carbon to verity the feasibility of the closed inlet and exhaust system of internal combustion engine.
A computing grid of gasoline-engine was established based on KIVA-3V code according to the actual shape of a
combustion chamber. The EGR (exhaust gas recirculation) rate effects were analyzed on the temperatures, the
pressures, the heat release rates and the concentrations of CO2 in a cylinder with an EGR rate of more than 8%. An
IP52FMI single-cylinder four-stroke gasoline-engine was improved without cylinder water injection system. And the
experiments of capture carbon were carried out in a self-made carbon dioxide trapping device. The results show that
dry ice of 33—345 g is obtained with an optimum EGR rate of 40% when liquid oxygen of 27—231 g inputs into the
device for 1—10 min. This verifies that using the carbon dioxide capture device can realize the oxygen gasification
and condensate the CO2 into dry ice.

Key words: internal combustion engines, CO2 emission reduction, oxygen-enriched combustion, carbonsequestration liquid oxygen, numerical simulation, KIVA-3V code, experiments

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