Tanks for your reply.
I have searched the net and found some sites calculate the area and they got different results in comparison to mine. They give the bundles face area,the number of bundles,number of tube per bundle, number of fans, size of fan, power per fan,..
What is the equation they...
I have 2 aircooled heat exchangers.
The first one has water ( 0.77 wt%) and ( 0.22 wt %) Dextrouse, temp.(from 109.7223 c to 35 c) and press.(137 kpa) with duty of (1.23 E08 KJ/hr) and air temp.(22 c).
The second has water ( 0.4643 wt.%) and ethanol ( 0.5326 wt.), temp.( from 92 c to 35 c)...
