MAKING A WIND TUNNEL
 

i need to make a wind tunnel of plywood for testing a plate fin heat exchanger . the exhaust from the engine is fed through the Wind tunnel and then to the heat exchanger. the heat exchanger of of 60 com in length and fins of 15*15 are welded over it.the temperature of exhaust is around 500'c.

The diagram of the entire process is given in this link. It a 2MB image file.

Please help me on making the wind tunnel.

Thank You http://rapidshare.com/files/10377812...unnel.bmp.html