Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   APRIL 2008 , Volume 21 , Number 1 (TRANSACTIONS B: APPLICATIONS); Page(s) 97 To 107.
 
Paper: 

EFFECT OF IGNITION TIMING, EQUIVALENCE RATIO, AND COMPRESSION RATIO ON THE PERFORMANCE AND EMISSION CHARACTERISTICS OF A VARIABLE COMPRESSION RATIO SI ENGINE USING ETHANOL-UNLEADED GASOLINE BLENDS

 
 
Author(s):  YOUSUFUDDIN S.*, NAWAZISH MEHDI S.
 
* DEPARTMENT OF MECHANICAL ENGINEERING, VASAVI COLLEGE OF ENGINEERING, HYDERABAD-500031, A. P, INDIA
 
Abstract: 

This paper investigates the effect of ethanol-unleaded gasoline blends (E0, E10, E25, E35, and E65) computer interfaced, four-stroke single cylinder compression ignition engine. The said engine was converted to spark ignition and carburetion to suit ethanol fuel. A suitable provision was provided on the engine to vary the compression ratio thereby making the engine adaptable to operate at lower compression ratios. The tests were performed by varying the ignition timing, equivalence ratio, and compression ratio at a constant speed of 1500 rpm and at wide open throttle (WOT). Effect of ethanolunleadedgasoline blends and tests variables on engine torque and specific fuel consumption were examined experimentally. The results of this investigation, is believed, to contribute substantially to the knowledge, aimed to ensure a secure future energy.

 
Keyword(s): ETHANOL, GASOLINE, IGNITION TIMING, EQUIVALENCE RATIO, COMPRESSION RATIO, VARIABLE COMPRESSION RATIO, PERFORMANCE, AND EMISSIONS
 
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