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CALCULATION OF POWER GAIN IN TURBO APPLICATIONS

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08.05.2020 13:58 # 1
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CALCULATION OF POWER GAIN IN TURBO APPLICATIONS

In Turbo applications, there is a very simple equation to calculate power gain compared to atmospheric engines. This equation includes the following 5 factors:

Power = Po x PR x DC x PL

Here:
Po is the original power rating of the engine: let's say 240 hp

Pressure + 14.7
PR is the pressure ratio. For example - by calculating --------------------- this ratio becomes 1.49 at 7 psi pressure.
14.7

DC is the correction of the change in density depending on the temperature of the intake air. At 7 psi, this correction can be accepted as .85 when the intercooler is not used and .96 when the intercooler is used.

PL is the ratio related to the power of the overfeed mechanism from the motor. In Supercharger systems, this loss is around 5% and in Turbo systems, the loss is around 1.5%. The reason for the low power loss in the turbo is that the turbo operates with hot exhaust gases from the engine. It should not be forgotten that 1/3 of the fuel burning in the engine turns into power. The turbocharger operates with much less loss than Supercharger systems because it uses this power thrown out of the exhaust.

If we look at the result by putting the numbers in place:

New Strength:

In the Supercarger system without intercooler:

P = 240 x 1.49 x .85 x (1-.05) = 289 hp

Turbo system using intercooler:

P = 240 x 1.49 x .96 x (1 - .015) = 338 hp

08.05.2020 13:58 # 2
sinan-s
Good for those who understand
08.05.2020 13:58 # 3
Guests
Best Service Muzaffer Doğrular with the help of my brother :)

You can ask questions about anything that matters to your mind.
08.05.2020 13:58 # 4
MirakGTI

I have a 106g vehicle, I want to turbo, how long does it last?

If we turbolas, can we get good results

08.05.2020 13:58 # 5
Guests
it is not difficult but impossible operation. You will see 200 hp comfortably ... you have to decrease the compression ratio ...
08.05.2020 13:58 # 6
Guests
So, what kind of operation you need in 306gti?
08.05.2020 13:58 # 7
Guests
chip 850 ytl. grade eccentric shaft 20-24 hp between 1,500-2,100 ytl. The power that won't spoil your comfort when using the street ...
08.05.2020 13:58 # 8
Guests
For detailed information, you can look at www.bestservis.com bro ...
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