Hello:
I'm trying to make a model to size AHU cooling coils. Reading an article posted in the Air Conditioning and Refrigeration Journal, I found that for 5/8in tubes, staggered pitch 1.5in, with 8 fpi and a 52.5 x 75 coil, they use an outside to inside surface atio R=18.3 and 22 sqft/row/face...