Governing system of ic engine

Governing of IC engine:- 

The process of providing any arrangements which will the engine speed constant( according to the changing load condition) is known as governing of IC engines. There are many methods for governing of IC engines below the following.

Hit and miss governing:- In this system of governing however the engine start running at high speed( due to decreased load) exclusions are omitted or missed. This is done with the help of a centrifugal governor. This method of governing is widely used for IC engines of similar capacity or gas engines.

Quantitative governing:- In the system of governing the quality of charge(i.e, air-fuel ratio of the mixture) is kept constant. But the quantity of mixture supplied to the engine cylinder is derived by means of a throttle valve which is regulated by the centrifugal Governor through Rack and pinion arrangement.

Qualitative governing:- In this system of governing a control valve is fitted in the fuel delivery five which controls the quantity of fuel to be mixed in the charge. The movement of the control valve is regulated by the centrifugal Governor through Rack and pinion arrangement.

Combustion system of governing:- In this system of governing the qualitative and quantitative governing are combined together.

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