What % reduction in gas flow results from changing to LPG?

  • Thread starter pkc111
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pkc111
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Summary
My Rubens Tube is running on natural gas and I am having some problems that maybe related to high gas speed in the tube. I am hoping that changing to LPG may reduce this gas speed problem a lot.
There are 70 jets of 1/16" diameter along the tube and I neeed to create flames 1" high.
I know the calorific value of natural gas is much less than LPG (39 MJ/m3 Vs 93 MJ/m3) . I am not sure what assumptions to make from there in order to compare the predicted natural gas to the LPG volume rate consumption? Ie will a 1 inch flame of both gases consume the same m3/h or does it work that both 1 inch flames of each gas type produce the same MJ/h? I have read that the flame temperature of both gases is around 3550F if that helps?
Thanks
 

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