Transcript File
PERFORMANCE AND EMISSION CHARACTERISTICS OF A NON EDIBLE OIL(BIODIESEL) IN A DI ENGINE USING DEE IN DUAL FUEL MODE
PROJECT MEMBERS
: S.SARAVANAN
D.PANDIYARAJAN
B.BALAJI
P.VASANTHAKUMAR
80105114043 80105114034 80105114012 80105114052 PROJECT GUIDE: Mr.C.SWAMINATHAN,M.E.,(PhD).,
AIM
`
To optimize the NOx emission in diesel engine using EGR.
INTRODUCTION
Biodiesel is an alternative fuel .
Biodiesel can be used directly as fuel for a diesel engine without any modification of existing engine.
It has the major advantages of having high biodegradability, excellent lubricity and no sulfur content.
Environmental compatibility compared to conventional fuels.
NEED OF DIESEL ENGINE
Diesel engine is used as Prime movers in transport, Agricultural Sector and Power Generation.
higher thermal efficiency and lower Because of specific fuel consumption.
But it pollutes the environment by its Combustion Products.
They contain Nitrogen Oxides, Hydrocarbon and Particulate Matter.
Carbon Monoxide,
Reason for choosing alternate fuel After the oil price rise in 1973, and with global pollution due to energy conversion processes, following important aspects have emerged.
Increasing cost of energy sources is affecting individual, social and national life and economy.
Depleting energy reserves of fossil fuel (coal, petroleum, products, oil, gas) has produced energy crisis.
Increasing energy consumption rate and depleting supplies all over the world is resulting in continuing inflation and energy shortage. This is called energy crisis.
Large fossil fuel burnt engines without emission control devices are emitting NOX, SOX, CO etc., in atmosphere resulting in pollution, ecological disasters , global warming, acid rain etc., energy, environment are closely inter-linked.
OBJECTIVES
The objective of this study is to investigate the combustion and emission characteristics of dual fuel combustion.
Blending fuel used in the current work has been selected on the basis of some chemical and thermodynamic properties.
To study the engine performance using fuel blends.
So the objective of the project is to reduce the NOx emission in DI engine by using the ether as a blend and in dual fuel mode.
Bio-diesel Production Worldwide
1,000 900 800 700 600 500 400 300 200 100 0 2001 2003 2005 2007 2009 2011 2013 2015
BLENDING
Biodiesel engines are prone to cold-starting problems in winter seasons and emit more nitrogen oxides.
To overcome these problems, diethyl ether is used as a fuel additive for biodiesel.
The lower percentage addition of diethyl ether with biodiesel improves the engine performance and emission characteristics.
The experimental results support that diethyl ether can be used as an additive with biodiesel to improve the performance and emission characteristics .
EMISSIONS FROM DI ENGINE
oxygen nitrogen Water vapour carbon
+
hydrogen sulfur oxygen nitrogen
Air fuel
CO
2
CO So
x
O
2
No
x
Water vapour
Refuse
PROPERTIES PONGAMIA
Density at 15◦C in gm/cc Flash point by ◦C 0.8986
182◦C Fire point by ◦C 191◦C Kinematic viscosity at 40◦C Calorific value in KJ/Kg Cetane number 4.72
36185 54.6
NEEM
0.8996
158◦C 166◦C 5.23
38160 51.2
DIESEL
0.8450
62◦C 70◦C 4.5
42000 46
Importance of Bio-diesel
Renewable fuel Environment friendly Clean burning Biodegradable and non-toxic Easy to handle and store Reduces dependence on petroleum imports Employment creation potential Limited resources of fossil oil. Stringent emission norms.
METHODOLOGY
Purchase Biodiesel and Ether.
Conduct the performance test by using Biodiesel.
Measure the emissions from the engine especially for NOx.
Conduct the performance test with the Ether as a blend.
Measure the smoke density and emission.
Ether is added to Biodiesel with various proportions. (5%, 10%, 15%...) Measure the smoke density and emission.
List out the results.
Discussion.
Phase 1
Literature survey
Time line
Dec 25 to Jan 5
Phase 2 Phase 3
Purchasing material Conduct test Jan 6 to Jan 26 Feb 1 to Feb 25
Phase 4
Result and discussion Mar 1 to Mar 15