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Fuel Flow Meter

Fuel flow meter is an instrument that is used to measure the amount of fuel consumed which is inserted into an engine’s fuel supply line between the pump and the injectors.

 

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It also used for the tuning of engine for even consumption throughout the powerband. It is a sort of Air flow meter and also can be categorized as Thermal mass flow meters (because of heat exchange). The exchange of heat required so that the engines do not overheat can be achieved through air cooling. In Thermal mass flow meters if the density and specific heat of the fluid are constant, then direct mass flow readout and does not need any further pressure and temperature compensation whereas Air - cooled engines are entirely reliable over the air circulation directly over hot parts of the engine to cool them. Most cars now – a – days use water – based coolant which is wrapped as layer around the engine whereas most of the two – wheelers in the country are cooled just by air rushing past the engine. A thermal mass flow meter generally uses the combinations of heated elements and temperature sensors to measure the difference between flowing heat transfer and heat transfer at rest to a fluid and infer its flow with the knowledge of the fluid's specific heat and density. Now – a – days internal combustion engines prefer liquid coolants in a closed circuit in channels around the engine and it cylinders where the coolant absorbs heat with the help of a heat exchanger or radiator which is then released into the air by the coolant. Therefore, they are ultimately cooled by air but the presence of liquid coolant baptizes it to water – coolant. If compared, in the air – cooled engines the heat is directly released into air. Air cooled engines are facilitated with metal fins covering the outside of the Cylinder Head and cylinders which increases the surface area for air to act on. Air can also be force fed using a fan and to achieve efficient cooling with high volumes of air supply well designed and angled fins should be used.

 

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