Vehicle & Technical > Discovery
Black smoke?
Bulli:
why then does the turbo spin up quicker when the engine is warm. The volume of exhast is the same if the engine has been running for 5 seconds or 3 days at the same rpm.
Anyone who had a td knows that they are sluggish as hell untill the engine is warm and it is nothing to do with oil viscosity before anyone throws that in.... :?:
muddyweb:
--- Quote from: "muddyweb" ---So... exhaust gas turns the turbine... by virtue of the fact that it is expanding and creating gas flow.... more heat creates faster gas flow and as such the lag effect is reduced.
--- End quote ---
muddyweb:
Not sure what the argument here is really... the turbocharger uses a gas turbine to make it work. All we seem to be discussing is how the heat build up affects the speed at which the turbine is propelled.
Boyle's Law, amongst other things, will explain why a hot gas through a fixed aperture creates more gas flow.
rollazuki:
[-X
Bulli:
I thought Boyles law was simply a way of calculating the volume of gas at a particular pressure - at a fixed temperature.
eg; p1v1=p2v2.
got nothing to do with expansion of gas as a result of heat.
Charles law deal with heat in gases , you mught be able to use the ideal gas law - PV = nRT
but i have no idea how..
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