Control of RH and Temp of Air

  • Thread starter Thorny
  • Start date
  • #1
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Hi,

I am trying to provide a humid air stream along some ¼” tubing, where I can roughly control the relative humidity and temperature, this doesn't need to be exact.

I already have a compressed air tank, regulator and flow meter to provide the correct flow rate.

I need to find out whether bubbling air through water will result in 100% relative humidity and whether or not this depends on the the amount of water it is bubbled through?

If so I can heat the water to get the right amount of moisture in the air at 100% humidity and then heat the air further in the outlet pipe in order to lower the humidity to the level I require.

Please excuse my ignorance as I do not have an extensive knowledge of this subject, any help or guidance you can give me will be greatly appreciated.

Cheers,
Rob.
 

Answers and Replies

  • #2
21,053
4,641
Use the equations for mass transfer to a sphere in terms of the Schmidt number and Reynolds number.
 

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