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re: To hold the water or to drain.

Posted on 8/4/22 at 11:20 am to
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
86473 posts
Posted on 8/4/22 at 11:20 am to
quote:

Why? You are replacing 30 degree water with 70-95* air.
Yet the ice melts slower when the water is gone.
Posted by baldona
Florida
Member since Feb 2016
23418 posts
Posted on 8/4/22 at 1:20 pm to
quote:

The enthalpy of that air is tiny in comparison, and the volume drawn in is not significantly contributing unless you’re blowing a fan into it.


It really depends on what we are talking about here.

Op said ice water so the normal assumption would be something like a drink cooler. Who wants ice that’s soaking in water for a whisky/ coke for example?

If you have a cooler FULL of beer/ water and ice there’s not much room for warm air.

If you have a cooler half full and allow the water out and keep allowing 95* air in every times
someone opens it, that’s not insignificant especially when you have the bottom open so there’s potentially constant flow of warm air being allowed in through that open drain.
This post was edited on 8/4/22 at 1:21 pm
Posted by baldona
Florida
Member since Feb 2016
23418 posts
Posted on 8/4/22 at 1:24 pm to
quote:

Why? You are replacing 30 degree water with 70-95* air.Yet the ice melts slower when the water is gone.


There’s again two things here, do you want ice longer or cold drinks longer?

If you want cold drinks in an ice bath to last longer you keep the water.

The physics gets more complicated when you have drinks and what not, because draining the water in a cooler from the ice doesn’t mean you drain the water inside of the bottles/ cans in the cooler.
Posted by DingleBarry
Member since Aug 2021
318 posts
Posted on 8/5/22 at 4:18 pm to
quote:

Op said ice water so the normal assumption would be something like a drink cooler.


I specifically referred to my yeti Knock off magellan ice chest. its a 50 quart Ice chest i keep in the back of the truck.
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