Experimental Analysis of Heavy Duty CNG Engine based on its Aspiration and Fuel System ARAI

Format:

Book

Conference/Event

Author/Creator:

bandyopadhyay, Debjyoti, author.

Contributor:

Kale, Samir

Kavathekar, Kishorkumar

Kshirsagar, Chinmay

Rairikar, S D.

Sonawane, Shailesh Balkrishna

Sutar, Prasanna S.

Thipse, Sukrut S.

Conference Name:

Symposium on International Automotive Technology (2021-09-29 : Pune, India)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2021

Summary:

Engine calibration involves the interaction of Electronic components with various engine systems like intake system, exhaust system, ignition system, et cetera Emissions are the byproducts of combustion of fuel and air inside the combustion chamber. After-treatment systems generally take up the responsibility to scrape out harmful emissions from the engines. However, a good engine calibration will focus on emission reduction at source id est during the combustion itself. Thus, the intake of air and fuel in proper amount at each engine operating point is crucial for optimized engine performance and minimal emissions. The Intake system is an integral part of any internal combustion engine and it plays an important role to improve its performance and emission. Generally, for an SI engine, maintaining the stoichiometric A/F ratio is a challenging endeavor from an operational standpoint. Engine power, BSFC, torque and harmful emissions are much influenced by geometric aspect of intake manifold and its fueling distribution system. The role of the intake manifold is the distribution of Air-Fuel mixture uniformly in all cylinders of the SI engine. Two different intake system configurations viz. SPFI (Single Point Fuel Injection) and MPFI (Multi Point Fuel Injection) are evaluated in this paper. In the Multipoint Injection System, one injector per cylinder is provided which injects the fuel in appropriate quantity in the admission valve allowing the fuel and air into the cylinder. This provides individual control on the cylinder which in turn improves the fuel consumption as compared to the Single point fuel injection. This paper is related to experimental comparison of CNG fuel distribution for a SPFI and MPFI system and its merits and demerits after analyzing the effects on the engine performance and emissions, which were evaluated on the similar engine configurations with SPFI and MPFI fuel distribution systems. Key words: A/F Ratio, SPFI, MPFI, CNG, Performance, Emissions

Notes:

Vendor supplied data

Publisher Number:

2021-26-0117

Access Restriction:

Restricted for use by site license