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Anonymous Poster

Cooling Tower Capacity

02/22/2010 8:45 AM

Dear All,

For my factory I had purchased 50 TR water chiller. Its in and out temperature will be maximum 5 degree centigrade. To cool the chiller will be need a cooling tower.

But I can not calculated which capacity of the Cooling tower to cool the condenser of the chiller.

Please help me about the matter. Is there is any calculation? If any please give me.

Mostafiz
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
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#1

Re: Cooling Tower capacity

02/22/2010 10:36 AM

From the chiller data, obtain the BHP (brake horsepower) of the motor. Required cooling tower capacity in MBH (thousands of Btu/hr) = (12,000 x TR + 2545 x BHP)/1000.

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ragotham
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Join Date: Aug 2008
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#2

Re: Cooling Tower Capacity

02/23/2010 11:24 AM

Hi,

can you explain the abbreviations in the equation which will be helpful.

Ragotham
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Tornado
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#3
In reply to #2

Re: Cooling Tower Capacity

02/23/2010 10:01 PM

Brake horsepower is the power actually consumed. If chiller data stated 54 BHP, the next standard size motor capable of handling this would be 60 HP. But one uses BHP for the system heat calculations. 1 HP = 0.746 kW.

A Btu is the amount of energy to raise 1 pound of water 1°F. 1 Btu ≈ 0.293 Watt-hours. My calculation was in Imperial units, but the same sort of calculation is made in SI.

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yobski12
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Join Date: Feb 2011
Posts: 1
#4
In reply to #3

Re: Cooling Tower Capacity

02/06/2011 8:24 PM

hi, i dont know how to calculate the capacity of the cooling tower, the data goes like this 200gpm and the temperature is 95C from condenser it will discharge to the river by temperature of 40 C. the ambient air is 37.5C. what will be the calculation of this cooling tower capacity in Hp.. thank you!!
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