Lecture Notes || SNS Courseware

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Subject Details

Dept : AGRI

Sem : 5

Regul : 2019

Faculty : Dr.K.Senthil Kumar

phone : NIL

E-mail : hod.agri@snsct.org

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Lecture Notes

UNIT 1:

Fuels â€“ types and properties

Higher and Lower heating values, their determination.

Combustion of fuels

Stoichiometric air requirement â€“ Excess air

Gravimetric analysis of products of combustion

Volumetric Analysis of Products of Combustion

Fuels for IC engines

Octane Number Requirement (ONR)

Cetane number

UNIT 2:

Classification- Engine components

Four stroke cycle- Principles

Valve timing - PV diagram

Two stroke cycle- Principles

Valve timing - PV diagram

SI engines - working and thermal efficiency

CI engines - working and thermal efficiency

Fuel pump and Injector.

Gas engine â€“Working principle- Turbo charging.

UNIT 3:

Carburetion-Fuel injection

Ignition

Engine friction and Lubrication-

Engine cooling

Scavenging in Two Stroke engines

Super changing of SI engines

Comparison between CI and SI engines

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