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Thread: cooling capacity calculation.
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21-08-2012, 12:47 AM #1
cooling capacity calculation.
Hello everybody,
Please i need your help regarding a project i am planning to execute.
Project description:
Cooling a 5000l water tank, made of fiberglass walls, supported on four stands, exposed to sun, mounted on a building roof, drains a 1000l/day, required to cool water from 55 to 25 celsuise degrees, during the day while at night will be no-load, the volume of the tank is 5 cubic meters, cylindrical shape.
any ideas about how to calculate both of cooling capacity and/or electric power consumption?, i googled enough, but didn't help, so hopefully someone can help here.
Thanks in advance.
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21-08-2012, 03:43 PM #2
Re: cooling capacity calculation.
Any kind of help?.
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21-08-2012, 11:42 PM #3
Re: cooling capacity calculation.
Hi gaber
If you search this forum you will find the formula you need to calculate the heat load of the water Q=MxSHCxDT. Then we can move on from there.
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22-08-2012, 02:23 AM #4
Re: cooling capacity calculation.
With 1000 litre water usage per day, use a smaller tank. Insulate exterior as well as most of load will be solar and transmission heat gains. The smaller the tank the less heat gain, lower power running costs.
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22-08-2012, 07:07 PM #5
Re: cooling capacity calculation.
And start cooling it at nights at cheaper electricity rates, at cooler ambient temperatue, and, to, maybe. slightly below than 25 degree C.
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23-08-2012, 08:52 AM #6
Re: cooling capacity calculation.
Hi Gaber,
Please explain better how the process runs?
Have you a flow consumption of about 1 m3 per ...lets say 8 hours? And you need the water at +25ºC and returning to the tank at +55ºC?
During the night there is no water consumption and you only have to maintain the water at +25ºC?
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