Effect of Turbocharged Diesel Engine Operating Conditions on Intake Premixed Methanol Quantity and Performance

Abstract:

A multi-point low-pressure methanol injection system was installed on manifold of a four cylinder turbocharged diesel engine, and the experiments on the engine operated with intake premixed methanol were conducted under wide operating conditions. The influence of the engine operating conditions on premixed methanol quantity was analyzed. The results show that, compared with straight diesel model, premixed methanol prolongs the ignition delay time of pilot diesel at the engine high load with low speed, and more methanol quantity can be premixed. At more than medium load with high speed, diesel ignition delay time with premixed methanol is shorter than with straight diesel model, and substitution ratio of methanol for diesel is significantly lower than that of low speed. Compared with the straight diesel mode at high speed, the fuel economy of the dual fueling mode is better, and NOx and soot emissions also are decreased, but CO and HC emissions are increased.

• Periodical: Advanced Materials Research (Volumes 1008-1009)
• Pages: 951-955
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1008-1009.951
• Online since: August 2014
• Authors: Deng Pan Zhang*, Jia Yi Du, Yin Nan Yuan, Sheng Li Wei
• Keywords: Diesel Engine, Experiment, Performance, Premixed Methanol

References

[1] Udayakumar R., Sivakumar K., Sivakumar K. SAE Paper No 2004-01-0096.

[2] C.D. Yao, C.S. Cheung, and et al. Energy & Fuels Vol. 21 (2007), pp.686-691.

[3] Chunde Yao, Chuanhui Cheng, Feng Duan. Transactions of CSICE Vol. 23 (2005), pp.119-123(In Chinese).

[4] Jixian Wang, Zenghua Cai. Transactions of The Chinese Society of Agricultural Engineering Vol. 11 (2001), pp.171-174 (In Chinese).

[5] Yaopeng Li, Ming Jia, Yaodong Liu, Maozhao Xie. Applied Energy Vol. 106(2013), pp.184-149.

[6] Dengpan Zhang, Yinnan Yuan, Jiayi Du, Yi XU, Luren Ji. Transactions of CSICE Vol. 30 (2012), pp.305-309( In Chinese).

[7] Jiayi Du, Hailing Li, Dengpan Zhang and Yongjia Lu. Advanved Materials Research Vols. 614-615(2013), pp.436-440.

[8] C. M. Gibson, A. C. Polk, N.T. Shoemaker, K. K. Srinivasan. Journal of Engineering for Gas Turbines and Power Vol. 133(2011), pp.1-8.