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2007-08
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
HYDERABAD
IV Year B.Tech. AME I Semester T P C
4+1* 0 4
AUTOMOTIVE POLLUTION AND CONTROL
(ELECTIVE – I)
UNIT - I
Laws and Regulation : Historical background. regulatory test procedures (European cycles). exhaust
gas pollutants(European rail road limits), particulate pollutants, European statutory values, inspection of
vehicles in circulation (influence of actual traffic conditions and influence of vehicle maintenance)
Analysis of pollutants : Carbon and Nitrogen Compounds -(CO.CO2 Nox), Ammonia and Amines,
Hydrocarbons. volatile compounds, evaporative losses, analysis of particulates.
UNIT - II
Pollutants from SI engines, Mechanism & formation of HE, CO, and NOx in SI engines. Engine and
operating variables affecting pollutants in SI engines.
UNIT - III
Pollution for CI engines, Mechanism of fermation of He, CO, NOx, and root in CI engines. Factor affecting
emissions in CI engines.
UNIT - IV
Lean burn & stratified charge engines. Multipoint fuel injection and Gasoline direct injection methods.
Common rail fuel injection in diesel engines. Exhaust gas recirculation.
UNIT - V
Post combustion treatments: Introduction, exhaust gas composition before treatment, catalytic converters,
oxidition and three way types thermal reactors, installation of catalysts in exhaust lines, NOx treatment in
diesel engines, particulate traps for diesel engines, particulate trap regeneration.
UNIT - VI
Economic challenges: Introduction, cost of improvement to SI engines, cost of injection systems, cost of
improvement in Diesel engines, economic consequences of introducing the catalyst, additional costs
incurred by diesel traps. cost of periodic inspection of pollution control systems and evaporative control
systems.
UNIT - VII
Instrumentation for pollution measurements: NDIR -analysers, thermal conductivity and flame ionization
detectors, analysers for Nox, gas chromatograph. Orsat apparatus, smoke meters- spot sampling and
continuous indication types like Bosch, Hartridge. Particulate measuring systems. Dilution tunnels – full
flow and partial flow.
UNIT - VIII
SI and CI engine fuel requirements. Knock in SI and CI engines. Knock rating of SI and CI Engine fuels.
Alternative fuel like Hydrogen, Natural gas, LPG, Vegetable oil and biodiesel, their production, properties,
storage and performance as engine fuels.
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