A TECHNICAL REVIEW OF PERFORMANCE OF CNG DIRECT INJECTION IN SPARK IGNITION ENGINE
| Author(s) | : | Rajesh J. Patel, Dr. Pragnesh Brahmbhatt |
| Institution | : | Research Scholar, Pacific Academy of Higher Education and Research, Udaipur, (Rajasthan), INDIA |
| Published In | : | Vol. 1, Issue 11 — November 2014 |
| Page No. | : | 23-28 |
| Domain | : | Engineering |
| Type | : | Research Paper |
| ISSN (Online) | : | 2348-4470 |
| ISSN (Print) | : | 2348-6406 |
Compressed Natural gas(CNG) is one of the most valuable alternative fuels due to its cleanest burningcharacteristic and high octane number. Now-a-days, most of the vehicles use Port Injection(PI) system for injectingCNG. This paper presents a new concept of injecting CNG directly into the cylinder which is known as CNG-DI. In SIengine, CNG-DI technology significantly increases the volumetric efficiency and thereby increases the burningefficiency.This CNG-DI technology also permits the use of extremely lean air-fuel mixture in the engine and reduces thefuel use of goods and services.In adopting the CNG-DI technology, the engine requires certain modification. Thecylinder head must be modified so that, it can accommodate the gas injector which is specially developed for injectingCNG in the cylinder by making holes near the spark plug in the body. The spark plug and gas injector furtherconnectwith timer device. The suitable gas metering system is too integrated with the CNG storage tank.This paper givesa technical introduction of CNG-DI system over the conventional PI and sequential injection
Rajesh J. Patel, Dr. Pragnesh Brahmbhatt, “A TECHNICAL REVIEW OF PERFORMANCE OF CNG DIRECT INJECTION IN SPARK IGNITION ENGINE”, International Journal of Advance Engineering and Research Development (IJAERD), Vol. 1, Issue 11, pp. 23-28, November 2014.
