wrapping my turbo, advantave or not?
#11
I've just completed the installation of a new twin setup that includes ceramic coating of the exhaust manifold, hot pipe, as well as the exhaust housings interior with a heat rejecting material (keeps the heat from moving into the iron) and exterior with a heat retaining material (keeps the heat in). It works.
As others have pointed out, it's the energy of heat that drives our turbo(s). The typical illustration is the fact that a pre-turbo EGT might be 1200*F. Under the same running conditions, but moving the temp probe to post-turbo now shows 900*F. That 300*F exhaust gas temperature drop represents the conversion of thermal energy to mechanical energy by the turbocharger. Anything we can do to keep the heat in the exhaust gases drives up the system's overall efficiency.
As others have pointed out, it's the energy of heat that drives our turbo(s). The typical illustration is the fact that a pre-turbo EGT might be 1200*F. Under the same running conditions, but moving the temp probe to post-turbo now shows 900*F. That 300*F exhaust gas temperature drop represents the conversion of thermal energy to mechanical energy by the turbocharger. Anything we can do to keep the heat in the exhaust gases drives up the system's overall efficiency.
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RSWORDS (03-14-2010)
#12
I've just completed the installation of a new twin setup that includes ceramic coating of the exhaust manifold, hot pipe, as well as the exhaust housings interior with a heat rejecting material (keeps the heat from moving into the iron) and exterior with a heat retaining material (keeps the heat in). It works.
As others have pointed out, it's the energy of heat that drives our turbo(s). The typical illustration is the fact that a pre-turbo EGT might be 1200*F. Under the same running conditions, but moving the temp probe to post-turbo now shows 900*F. That 300*F exhaust gas temperature drop represents the conversion of thermal energy to mechanical energy by the turbocharger. Anything we can do to keep the heat in the exhaust gases drives up the system's overall efficiency.
As others have pointed out, it's the energy of heat that drives our turbo(s). The typical illustration is the fact that a pre-turbo EGT might be 1200*F. Under the same running conditions, but moving the temp probe to post-turbo now shows 900*F. That 300*F exhaust gas temperature drop represents the conversion of thermal energy to mechanical energy by the turbocharger. Anything we can do to keep the heat in the exhaust gases drives up the system's overall efficiency.
#13
#14
I dont agree that heat drives the turbo. It needs drive pressure, the heat lost is most likely dissipated off the turbo housing and downpipe. The higher pressure the exhaust is will also make it hotter, and since the turbo is a bottleneck in the exhaust then it holds pressure behind it making it hotter. Thats just my 2 cents.
#15
I dont agree that heat drives the turbo. It needs drive pressure, the heat lost is most likely dissipated off the turbo housing and downpipe. The higher pressure the exhaust is will also make it hotter, and since the turbo is a bottleneck in the exhaust then it holds pressure behind it making it hotter. Thats just my 2 cents.
Originally Posted by Wikipedia
A turbocharger is a small radial fan pump driven by the energy of the exhaust gases of an engine. A turbocharger consists of a turbine and a compressor on a shared shaft. The turbine converts exhaust heat to rotational force, which is in turn used to drive the compressor.
As compared to a supercharger, a turbocharger is driven using the exhaust gases. Otherwise wasted heat is extracted from the exhaust gas, and converted to useful power to compress the intake air.
As compared to a supercharger, a turbocharger is driven using the exhaust gases. Otherwise wasted heat is extracted from the exhaust gas, and converted to useful power to compress the intake air.
As found here ~ http://en.wikipedia.org/wiki/Turbocharger
Last edited by BC847; 03-15-2010 at 11:15 AM.
#16
I dont agree that heat drives the turbo. It needs drive pressure, the heat lost is most likely dissipated off the turbo housing and downpipe. The higher pressure the exhaust is will also make it hotter, and since the turbo is a bottleneck in the exhaust then it holds pressure behind it making it hotter. Thats just my 2 cents.
#17
#18
You would need it pre-turbo or on the turbo itself to notice any power difference. One the exhaust side the hot exhaust air has already done its duty and just needs to get out of the way. Now if you have a small exhaust slowing the flow of the exhaust then you will see even more heat pre-turbo and carried threw post turbo.
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