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Parametric Optimization of Producer Gas fuelled Spark Ignition Engine through Thermodynamic Modelling

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Title Parametric Optimization of Producer Gas fuelled Spark Ignition Engine through Thermodynamic Modelling
 
Creator Shah, Parth D
Doodhwala, Saurabh P
Mistry, Utsav J
Channiwala, Salim A
 
Subject Combustion
Dissociation
Emissions
Heat transfer
Stoichiometric
 
Description 374-383
Development of alternative fuel has become a necessity to quench the current/rising future energy demands and alarming
environmental pollution. Producer gas/syngas has potential to be most favorite alternative fuel substitution whose
performance characteristics are lower whereas emission characteristics of carbon monoxide (CO), carbon dioxide (CO2) and
hydrocarbons are better than petrol/diesel. Looking at these facts, the present work focuses on thermodynamic modelling
and parametric studies on a real-life engine using producer gas as fuel to study its performance and emission characteristics.
Simulated program is validated with published literature and results are found within ± 9% in terms of power and efficiency.
The model is then used to study the effect of Spark advance (10°–30°), valve timing and combustion duration (40°–80°),
fuel-air ratio, stroke to bore ratio and connecting rod length to crank radius to study their impact on emission and
performance of real-life engine. The optimum engine performance parameters while also considering emission of nitric
oxide (NO) and CO operated at stoichiometric fuel-air ratio turns out to be L/D as 1.0, Spark advance as 20° BTDC (before
top dead center), combustion duration as 50°, inlet valve closing as 30° ATDC and exhaust valve opening as 10° BBDC
(before bottom dead center). The efficiency, specific fuel consumption, power, CO and NO with these optimal parameters
are of the order of 19.58%, 1.23 kg/kWh, 67.0 kW, 0.65 ppm and 0.017 ppb, respectively. It is believed that present work
offers optimal design and operating parameters through actual thermodynamic cycle analysis which may be used as a
reference for design and development of producer gas-fuelled Spark Ignition (SI) engines.
 
Date 2022-04-05T11:44:35Z
2022-04-05T11:44:35Z
2022-04
 
Type Article
 
Identifier 0975-1084 (Online); 0022-4456 (Print)
http://nopr.niscair.res.in/handle/123456789/59436
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source JSIR Vol.81(04) [April 2022]