From this you know which different device use in lab to measure different parameter & developed test rig.

1. MEASURING DEVICES FOR
INTERNAL COMBUSTION
ENGINE
Multi cylinder SI engine

2. 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.

3. 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

4. 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.

5. 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


6. Thermocouple and other sensor

7. Digital sound level meter

8. Full setup of test rig:
Manufacturer:

Nebula equipment

India mart