With minimal compression, the fluid doesn't follow PV=P1V1. If you have flow from a small section to large the pressure is lower, if its a compressible fluid that gets changed to velocity F=mv2, if its not velocity slows down.
I think
haruspex
The formula was from http://www.engineeringtoolbox.com/convective-air-flow-d_1006.html
The speed isn't much, but was thinking if you have a coil type shape with one side getting heated and the other cold, each turn in theory should add a couple m/sec?
Thanks for your help
The temperature on the hot side is 600C and 100C on the cold side. It is more a rectangle 1m by 5m. The hot and cold sides are in the 1m sides. The pipe is 2cm diameter and 3mm thick.
I thought that the ideal gas formula might come into it.
V = RT/P 345.7 * 600/101000 = 2.05 m3/kg
The pipe would be a circle joined at both ends, with one side being hot the other cool. I'm trying to workout the air velocity inside the pipe.
How would the diameter of the pipe effect the velocity? What would be the best way to get fast flow of air inside?
Cheers
Thanks
If I had a temperature difference, what formula will give the gas velocity from hot to cold. If I have a fire on one side and water flow on the other to cool it. Would makeing the pipe large diameter at the hot end have any effect.
Hi
I'm trying to workout the velocity of air inside a pipe that's sealed and ten meters long.
I've found this Air Velocity
vc = 0.65 [g l dt / (273 + te)]1/2 (1)
where
vc = velocity in center of airflow (m/s)
g = 9.81 - acceleration of gravity (m/s2)
l = vertical distance from bottom of...