I'm building an immersion wort chiller. Is there any advantage to sending the chill water to either the bottom or top of the coil first?
Thank you,
Ben
It stands to reason that to get the fastest temperature drop you want your chill water contacting the hottest wort first.
Most overall temperature drop, no.
Excellent points. I have racked fluid with a persistent bubble in the tube. You would think the tubes are completely filled, but filling from bottom to top assures it.Cold water in at the bottom would help to fill the chiller completely, the bubbles will rise to the top and flow out.
Done the other way there has to be enough flow to push the bubbles down first before they flow out.
Bubbles in the tube reduce the heat exchange, probably not enough to matter but since you asked whether there is any reason to do one way vs. the other...
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