Please wait a minute...
浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (2): 273-279    DOI: 10.3785/j.issn.1008-973X.2013.02.013
    
Numerical simulation of HCNG engine on GT-Power
XIONG Shu-sheng, REN Xiao-shuai, XIE Lian, LI Wei, WU Xi-jiang
1.Institute of Power Machinery and Vehicular Engineering, Zhejiang University, Hangzhou 310027, China
Download:   PDF(0KB) HTML
Export: BibTeX | EndNote (RIS)      

Abstract  

In order to have a better systematic theoretical research about HCNG engine, a simulation model of YC6J HCNG engine was built by GT-Power. The simulation deviation was less than 5% by comparing with the experimental results at full load condition which confirmed the accuracy of the model. Then the research of the engine using different hydrogen-CNG ratios was conducted when the excess air ratio and the spark advance angle were different. The results show that the optimal spark advance angle decreases and ignition limit becomes wide with the increase of hydrogen mixing ratio. HCNG can increase the thermal efficiency and decrease fuel consumption effectively when the spark advance angle is small or the excess air ratio is large. The NOx emissions are reduced greatly by increasing the excess air ratio or decreasing the spark advance angle although the NOx emissions of HCNG are more than CNG. At the same time, as to the simulated condition, the optimal spark advance angle and excess air ratio were determined which had a theoretical guide to the development of HCNG engine.

Published: 01 February 2013
CLC:  TK 437  
Service
E-mail this article
Add to my bookshelf
Add to citation manager
E-mail Alert
RSS
Articles by authors
Cite this article:

XIONG Shu-sheng, REN Xiao-shuai, XIE Lian, LI Wei, WU Xi-jiang. Numerical simulation of HCNG engine on GT-Power. J4, 2013, 47(2): 273-279.

URL:

http://www.zjujournals.com/eng/10.3785/j.issn.1008-973X.2013.02.013     OR     http://www.zjujournals.com/eng/Y2013/V47/I2/273


基于GT-Power对HCNG发动机的数值模拟

为了对HCNG发动机进行更系统理论的研究,运用模拟软件GTPower建立YC6J天然气掺氢发动机的仿真模型.仿真数据与原机外特性试验结果对比的误差在5%以内,证明该模型具有较高的准确性.然后通过该仿真模型,进行过量空气系数和点火提前角与燃用不同掺氢比例的HCNG关系的模拟研究.研究结果表明,HCNG掺氢比越大,所对应的最佳点火提前角越小,同时着火极限越宽；在较小的点火提前角或者较大的过量空气系数时,掺氢HCNG能有效地提高热效率,降低燃料消耗；HCNG发动机的NOx排放相比CNG虽有所增加,但可通过减少点火提前角或增大过量空气系数降低NOx排放.同时针对模拟工况,确定最佳的点火提前角和过量空气系数,为HCNG发动机的开发标定,起到理论指导作用.
关键词：

［1］ STEINBERG M. CHENG H C. Modern and prospective technologies for hydrogen production from fossil fuels ［J］. International Journal of Hydrogen Energy, 1989, 14: 797-803.
［2］ DAS L M, GULATI R, GUPTA P K. A comparative evaluation of the performance characteristics of a spark ignition engine using hydrogen and compressed natural gas as alternative fuels ［J］. International Journal of Hydrogen Energy, 2000, 25(8): 783-793.
［3］ AKANSU S O, DULGER Z, KAHRAMAN N, et al. Internal combustion engines fueled by natural gas hydrogen mixtures ［J］. International Journal of Hydrogen Energy, 2004, 29(14): 1527-1539.
［4］ 马凡华,丁尚芬,王业富,等.点燃式HCNG发动机一维数值模拟研究［J］.内燃机工程,2011,32(2): 46-52.
MA Fan-hua, DING Shang-fen, WANG Ye-fu, et al. One dimensional numerical simulation of SI HCNG engine ［J］. Chinese Internal Combustion Engine Engineering, 2011, 32(2): 46-52.
［5］ 李明海,王耀超,王娟,等.基于GT-Power对天然气/氢气发动机的性能分析［J］.内燃机仿真,2010,27(7) : 271-275.
LI Ming-hai, WANG Yao-chao, WANG Juan, et al. Performance analysis of natural gas/hydrogen engines on GTPower ［J］. Computer Emulation, 2010, 27(7): 271-275.
［6］ 刘艳.电控CNG发动机掺氢燃烧性能研究［D］.北京：北京交通大学,2006: 31-38.
LIU Yan. Performance study on mixing fuel-hydrogen combustion on electronic controlled CNG engine ［D］. Beijing: Beijing Jiaotong University, 2006: 31-38.
［7］ 殷勇.HCNG发动机掺氢比试验研究［D］.北京：清华大学,2006: 12-15.
YIN Yong. Experimental study on hydrogen blend ratio for HCNG engine ［D］. Beijing: Tsinghua University, 2006: 12-15.
［8］ MA Fan-hua, LIU Hai-quan, WANG Yu, et al. Combustion and emission characteristics of a port-injection HCNG engine under various ignition timings ［J］. International Journal of Hydrogen Energy, 2008, 33: 816-822.
［9］ HUANG Zuo-hua, ZHANG Yong, ZENG Ke, et al. Measurements of laminar burning velocities for natural gas-hydrogenair mixtures ［J］. Combustion and Flame, 2006, 146: 302-311.
［10］ HUANG Zuo-hua,LIU Bing,ZENG Ke,et al. Experimental study on engine performance and emissions for an engine fueled with natural gas-hydrogen mixtures ［J］. Energy and Fuels, 2006, 20(5): 2131-2136.
［11］ 马凡华,王宇,汪俊君.不同点火提前角时HCNG发动机的燃烧与排放特性［J］.内燃机工程,2008, 29(4): 23-27.
MA Fan-hua, WANG Yu, WANG Jun-jun, et al. Combustion and emission characteristics of a HCNG engine under various spark timings ［J］. Chinese Internal Combustion Engine Engineering, 2008, 29(4): 23-27.
［12］ CHEOLWOONG P , CHANGGI K, YOUNG C, et al. The influences of hydrogen on the performance and emission characteristics of a heavy duty natural gas engine ［J］. International Journal of Hydrogen Energy, 2010, 36(5): 3739-3745.
［13］ MA Fan-hua, WANG Ming- yue, JIANG Long, et al. Performance and emission characteristics of a turbocharged sparkignition hydrogen-enriched compressed natural gas engine under wide open throttle operating conditions ［J］. International Journal of Hydrogen Energy, 2010, 35: 12502-12509.
［14］ MARIE B. Engine characteristics of emissions and performance using mixtures of natural gas and hydrogen ［J］. Proceedings of ECOS, 2005, 13: 1335-134
［15］ SWAIN M R,YUSUF M J,DULGER Z,et al.The effects of hydrogen addition on natural gas engine operation ［C］ ∥SAE World Congress. Detroit: SAE, 1993: 932775.
［16］  DENG Jiao, MA Fan-hua, LI Shun, et al. Experimental study on combustion and emission characteristics of a hydrogenenriched compressed natural gas engine under idling condition ［J］. International Journal of Hydrogen Energy, 2011, 36: 13150-13157.
［17］ SHUDO T , SHIMAMURA K, NAKAJIMA Y. Combustion and emissions in a methane stratified charge engine with hydrogen premixing ［J］. JSAE Review, 2000, 21 (1): 327.
No related articles found!