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pHaestus · 10-09-2004, 11:08 AM

You are comparing more than fin density greenman. You also picked a 32mm thick core vs a 29 mm thick one. Compare the 30FPI 12.5mm thick core to the 14FPI and 12.5mm thick.

dP vs. air flow suggests:
30FPI: ~1.7 m^3/min
14 FPI: 2 m^3/min

C/W vs air flow

14 FPI@ 2m3/min: 0.06
30 FPI@ ~1.7 m3/min: ~0.042

This makes sense to me. But I'm purely taking what we've learned about the relationship between surface area, restriction, final flow rates, and performance in wbs and apply it to heat transfer at the air/rad interface; no real theory or data to back it up as of now.

10-09-2004, 11:08 AM	#29
pHaestus Big Player Making Big Money Join Date: Aug 2001 Location: irc.lostgeek.com #procooling.com Posts: 4,782	You are comparing more than fin density greenman. You also picked a 32mm thick core vs a 29 mm thick one. Compare the 30FPI 12.5mm thick core to the 14FPI and 12.5mm thick. dP vs. air flow suggests: 30FPI: ~1.7 m^3/min 14 FPI: 2 m^3/min C/W vs air flow 14 FPI@ 2m3/min: 0.06 30 FPI@ ~1.7 m3/min: ~0.042 This makes sense to me. But I'm purely taking what we've learned about the relationship between surface area, restriction, final flow rates, and performance in wbs and apply it to heat transfer at the air/rad interface; no real theory or data to back it up as of now.