PROFESSIONAL TRAINING AT SOLUTION F

From 30 juin to 26 septembre 1997

 

SOLUTION F is a firm specialized in the preparation of race car at the level of the chassis

as well as at the level of the engine. In 1997, SOLUTION F entered the official Peugeot

106 maxi in the French rally championship for PEUGEOT SPORT.

During my training, I have conceived, manufactured and developed a wind tunnel for cylinder

head. This machine is used to measure the air flow in an engine. It is more and more used

by engine builder. It allows to better understand aerodynamic phenomenon in a cylinder

head. It also allows to reduce the developing cost because we can improve it without

putting it on a power bench (which set the assembly of a whole engine and its wear.

 

Sketch of the wind tunnel:

Principle of the wind tunnel:

The air flow is provided by a centrifugal turbine. Air is drawing through a delivery pipe which

allows to know exactly the air flow thanks to a pressure measure at its neck.

After, air pass trough a quietness chamber before going through the turbine. A regulation

gate allows to have the right pressure in the drawing chamber. The intake pipe and the

cylinder head are put after this chamber.

We study the air flow in one cylinder. To simulate the effect of the cylinder, we put a false

cylinder underneath the combustion chamber

Photos of the wind tunnel:

Cylinder head test :

For several valve lift and for the same pression in the drawing chamber, we notice the air flow

or the calculated section wich represent the intake pipe with the valve. Finally, we get curves

like these :

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