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Join Date: Jun 2008
Location: Philippines
Posts: 4

Absorption Refrigeration: Cooling capacity vs. hot water flow rate

07/22/2008 8:04 PM

Hey guys...I really need your help on this... I plan to have a Hot-water Fired Vapor absorption chiller ..

Can anyone tell me the the relationship between the Cooling Capacity and the hot water flowrate?

I am only able to provide around 22% of the rated hot water flow rate... Really need your help.

Thanks guys.

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Anonymous Poster
#1

Re: Absorption Refrigeration: Cooling capacity vs. hot water flow rate

07/24/2008 11:34 AM

Please contact the manufacturer. We have Trane absorbers and with low hot water flow it greatly reduces the leaving chill water temp. They can help you design the system you need according to your specs.

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Anonymous Poster
#2

Re: Absorption Refrigeration: Cooling capacity vs. hot water flow rate

07/24/2008 12:31 PM
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Anonymous Poster
#3
In reply to #2

Re: Absorption Refrigeration: Cooling capacity vs. hot water flow rate

07/24/2008 12:54 PM

Oop, it didn't tell the relationship of cooling capacity and flowrate! Sorry.

AC Wing.

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Anonymous Poster
#4
In reply to #3

Re: Absorption Refrigeration: Cooling capacity vs. hot water flow rate

10/12/2008 8:31 AM

simplest design assistance: contact gtj2 @ windstream . net Hydro-Temp has been building for Trane wf and 4 others 800 382 3113 but they call their chillers: geothermal heat pumps ... -jon GT sonce 1980 hvac since 1976 industrial~ 1980

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Anonymous Poster
#5
In reply to #4

Re: Absorption Refrigeration: Cooling capacity vs. hot water flow rate

10/12/2008 8:37 AM

Please you may know already: a "20-ton" chiller, may only absorb 17.1/2 tons 12000 btuh/ ton here at mean 40 degree cold loop while at head pressures near 120 deg f (r-22) as found in field... and the same may chill 21 tons in 60-degree mean cold loops with discharge at 90 degrees head= ~ even as low as 145 psig has worked very well the suction under 78 psig for some compressors and under 74 psig for others (42-deg) r-22

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Anonymous Poster
#6
In reply to #2

Re: Absorption Refrigeration: Cooling capacity vs. hot water flow rate

10/12/2008 8:49 AM

rem the 50-ton yazaki produces "90-tons" of heat output as found on an undersized 75 ton epco tower overheating !! and requires a dry-cooler and / or as hybrid: 205 ft - 210 ft per "ton" heat transfer in vertical wells for as a geothermal exchange to N.Ohio 52 deg soil in 140- to - 600 ft vertical boreholes having closed pipe looping earth coupled, ECL's (glhe's) even the direct earth - exchanger is a great hybrid to any cooling issue as fit for under 116 degrees into hdpe polyethelene in-grund - grouted pipes (for here) a 3200 foot exchanger in vertical bores in Cleveland with water at 45 feet from the surface in 12 x ~ 245 ft boreholes and additional horizontal 5ft deep piping DELIVERED AN EXCHANGE OF 262 MBh for 3 weeks constantly~ at 102 entering and 91 returning chilled flow of 20% GLYCOL SOLUTION (NOT RECOMMENDED: GLYCOL)~ IN 3 MORE WEEKS "OFF-LINE" LOOP WAS AT 57 DEGREES IN 52 DEGREE CLAY AND STONE BOREHOLES... 1994-1996 DATA STUDIED.

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