Advanced Ic Engines Unit 4

UNIT IV

ALTERNATE FUELS

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Problems with alcohol blends :

Advantages of alcohol as Fuel :

Fumigation :

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Surface ignition of ethanol :

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Hydrogen

Advantages of Hydrogen as SI engine fuel

Disadvantages of Hydrogen as SI engine fuel

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Combustion properties of hydrogen as fuel

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Various ways of using Hydrogen as fuel for SI engine

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Natural Gas

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Methods of using Natural gas in engines

Conversion kits for use of natural gas in CI engine :

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Liquefied Petroleum Gas

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Bio Gas

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Systems required for use of Bio Gas in engines

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Use of Bio gas in diesel engine :

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Bio – Diesel

Esterification

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Transesterification

Advantages of bio diesel

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Engine modifications:

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Esterification process

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Emission characteristics

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