How to Go Fast Faster: The Math Behind Turbocharging. Part 1: The Prologue

turboheader

     On to a new subject for the Math section.  This time we’ll work at the opposite end of the car spectrum; power.  Now that we’ve played a little bit with how to stop a car, let’s look at maximizing our vehicle’s output.  Once again, I’m going to assume the reader has knows how the engine works, and turbocharging as well.  The Math section is a way to provide hard evidence and mathematical proof to improve your understanding.

     Ok, so we know that an engine use internal combustion to create power using a combination of air, fuel, and a spark.  Every petrol engine uses these three ingredients to create power.  Usually, a certain amount of fuel has to be mixed with the air to create the perfect combustion, but it varies depending on each engine.  And the amount of air that goes into an engine depends on the number of cylinders and the size of the cylinder as well.  So how do we produce more power?  Simple.  Make a bigger bang.

     Bigger bang = more power.  So to get a bigger bang, we need more air.  More air means more fuel.  One way to increase power is to increase the number of cylinders.  But that’s kind of hard for the everyday mechanic.  So let’s find a way to increase power using a stock engine without modifying it too much.  And by that I mean keep the engine internals stock.  So since we’re stuck with a certain displacement, how do we increase our power?  One way is to use the power of the turbocharger.  And just how does our turbocharger do all this?  We’ll take a look at the basics of the turbocharger and see how and why one works the way it does.  Stay tuned.

P.S. I’m actually using alot of my information from Corky Bell’s Maximum Boost, Published in 1997.  If you want any furthur reading into the subject, just take a look in the book.

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15 Responses to “How to Go Fast Faster: The Math Behind Turbocharging. Part 1: The Prologue”



  1. 1 The Math Behind Turbocharging: Calculating Output + Boost « Take me beyond the Horizon Trackback on May 26, 2009 at 2:16 pm
  2. 2 How to Go Fast Faster: The Math Behind Turbocharging. Part 3: Selecting the Compressor « Take me beyond the Horizon Trackback on July 30, 2009 at 9:17 pm
  3. 3 How to Go Fast Faster: The Math Behind Turbocharging. Part 3: The Airflow Rate « Take me beyond the Horizon Trackback on July 30, 2009 at 9:18 pm
  4. 4 How to Go Fast Faster: The Math Behind Turbocharging. Part 3b: Volumetric Efficiency « Take me beyond the Horizon Trackback on August 4, 2009 at 6:34 pm
  5. 5 How to Go Fast Faster: The Math Behind Turbocharging. Part 4: Reading Compressor Charts « Take me beyond the Horizon Trackback on August 12, 2009 at 4:16 pm
  6. 6 How to Go Fast Faster: The Math Behind Turbocharging. Part 4b: Compressor Efficiency « Take me beyond the Horizon Trackback on August 13, 2009 at 2:43 pm
  7. 7 How to Go Fast Faster: The Math Behind Turbocharging. Part 6b: Intercooler Efficiency « Take me beyond the Horizon Trackback on September 20, 2009 at 9:09 pm
  8. 8 How to Go Fast Faster: The Math Behind Turbocharging. Part 7b: Intercooler Efficiency « Take me beyond the Horizon Trackback on September 24, 2009 at 6:56 pm
  9. 9 How to Go Fast Faster: The Math Behind Turbocharging. Part 5: Reading Compressor Maps « Take me beyond the Horizon Trackback on September 24, 2009 at 7:06 pm
  10. 10 How to Go Fast Faster: The Math Behind Turbocharging. Part 5b: Compressor Efficiency « Take me beyond the Horizon Trackback on September 25, 2009 at 1:41 pm
  11. 11 How to Go Fast Faster: The Math Behind Turbocharging. Part 4b: Volumetric Efficiency « Take me beyond the Horizon Trackback on September 25, 2009 at 9:12 pm
  12. 12 How to Go Fast Faster: The Math Behind Turbocharging. Part 6: Turbine Selection « Take me beyond the Horizon Trackback on September 27, 2009 at 8:26 pm
  13. 13 How to Go Fast Faster: The Math Behind Turbocharging. Part 7: Intercooler Selection « Take me beyond the Horizon Trackback on September 27, 2009 at 8:27 pm
  14. 14 How to Go Fast Faster: The Math Behind Turbocharging. Part 8: An Example « Take me beyond the Horizon Trackback on November 23, 2009 at 4:19 pm
  15. 15 How to Go Fast Faster: The Math Behind Turbocharging. Part 8b: The Result « Take me beyond the Horizon Trackback on November 23, 2009 at 4:20 pm

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If you'd like to contact me, please feel free to email me at projektrise@yahoo.com. Any and all opinions/ideas are welcome.

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