Boost Turbocharger



Boost Turbocharger
Boost refers to the increase in manifold pressure that is generated by the turbocharger in the intake path or specifically intake manifold that exceeds normal atmospheric pressure. This is also the level of boost as shown on a pressure gauge, usually in bar, psi or possibly kPa. This is representative of the extra air pressure that is achieved over what would be achieved without the forced induction. Manifold pressure should not be confused with the volume of air that a turbo can flow.Turbocharger

Boost pressure is limited to keep the entire engine system, including the turbo,Turbocharger inside its thermal and mechanical design operating range by controlling the wastegate which shunts the exhaust gases away from the exhaust side turbine.Turbocharger

The maximum possible boost depends on the fuel’s octane rating and the inherent tendency of any particular engine towards preignition. With appropriate calibration and efficient charge cooling, relatively high boost pressures can safely be attained[citation needed]. Ethanol, methanol, liquefied petroleum gas (LPG) and diesel fuels allow higher boost than gasoline, because of these fuels’ combustion Turbocharger

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