The Advanced Injection Low Pilot Ignited Natural Gas Engine: A Combustion Analysis-Reference-Cited by-同舟云学术

The Advanced Injection Low Pilot Ignited Natural Gas Engine: A Combustion Analysis

Published:2004-05-03 Issue:1 Volume:128 Page:213-218
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Srinivasan K. K.¹,Krishnan S. R.¹,Singh S.¹,Midkiff K. C.¹,Bell S. R.²,Gong W.³,Fiveland S. B.³,Willi M.³

Affiliation:

1. Department of Mechanical Engineering, The University of Alabama, Tuscaloosa, AL 35487

2. School of Engineering, The University of Kansas, Lawrence, KS 66045

3. Caterpillar, Inc., Peoria, IL

Abstract

The Advanced (injection) Low Pilot Ignited Natural Gas (ALPING) engine is proposed as an alternative to diesel and conventional dual fuel engines. Experimental results from full load operation at a constant speed of 1700rev∕min are presented in this paper. The potential of the ALPING engine is realized in reduced NOx emissions (to less than 0.2g∕kWh) accompanied by fuel conversion efficiencies comparable to straight diesel operation. Some problems at advanced injection timings are recognized in high unburned hydrocarbon (HC) emissions (25g∕kWh) and poor engine stability reflected by high COVIMEP (about 6%). This paper focuses on the combustion aspects of low pilot ignited natural gas engines with particular emphasis on advanced injection timings (45°–60° BTDC). Ignition phasing at advanced injection timings (∼60° BTDC), and combustion phasing at retarded injection timings (∼15° BTDC) are recognized as important combustion parameters that profoundly impact the combustion process, HC emissions, and the stability of engine operation.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/128/1/213/5706213/213_1.pdf

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