Measuring of different parameter of IC engine

MEASURING DEVICES FOR
INTERNAL COMBUSTION
ENGINE

Multi cylinder SI engine

Quantity to measure & measuring
devices:
 Engine speed- dynamometer
 Air supply to engine(carburetor)- U tube
manometer
 Various temperature of ic engine- temperature
sensor ( thermocouple, resistance thermometer).
 Exhaust gases heat losses- calorimeter
 Fuel consumption
 Fuel Air-Ratio
 Exhaust Smoke and Emissions
 Thermal Efficiency, Volumetric Efficiency
 Indicated Mean Effective Pressure, Brake Mean
Effective Pressure etc.

Engine speed:


Rope brake dynamometer generally use for
measuring engine speed

o

A rope is wound around the circumference of the brake drum. One
end of the rope is attached with balance as shown in fig.

Rope brake
Dynamometer

Air supply to engine(carburetor)


Generally u tube manometer is use to check inlet air pressure and by
equation air consumption also find out.

Measurement
of Air
by Air Box
Method.

Various temperature of ic
engineInternal temperature
 Exhaust gases temperature
 Inlet air temperature
For measuring this all temperature
there are use different temperature measuring
sensor
 Thermistor
 Thermocouple
 Resistance Thermometer
 Silicon band gap temperature sensor


Full setup of test rig:

Manufacturer:

Nebula equipment

India mart

Measuring of different parameter of IC engine

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