unpressurized storage volume/overflow/ stratification height

[pybyr]

OK, as someone who wanted to be an engineer, but struggled too much at math... I invite help...

I'm going to use an unpressurized storage of 6 foot x 6 foot horizontal dimensions, 5 feet deep (roughly 1350 gallons).

I will need to have, and will include, a top outlet to let water out as it expands and overflows as it is heated

but..

what is the highest level I can count on as the upper water level... assuming a temperature swing of 100 F to 200 F- and after the water expands, overflows, cools, and then contracts (after having overflowed) and returns to a lower height.

I need to figure this out for purposes of knowing the vertical height of my top inlet/outlet to the plat HX

thanks, all

 

[in hot water]

Actually it's the thermal expansion of the water in the ocean that will cause levels to rise, more so than ice cap melt as some suggest. A few degrees of global warming will take it's toll on coastlines.

Here is a link that may help (broken link removed)

Google thermal expansion of water to see plenty of sites.

hr

 

[jebatty]

I use 5% as rule of thumb, includes a safety factor. If capacity is 1350 gal, fil to 1275 gal.