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https://hvac-talk.com/vbb/threads/666721-Chilled-water-ton-hours-measurement-for-billing
Oct 24, 2010 · This 20-ton unit runs 24/7 and maintains a temp of around 70 degrees, and the chilled water valve is open 100% of the time to maintain that temp. So, we are trying to figure out how the ton hours are being calculated on the meter -- with 720 hours in a month, we expected something like: 720 * 20 = 14,400 ton hours
https://www.engineeringtoolbox.com/cooling-loads-d_665.html
A ton is the amount of heat removed by an air conditioning system that would melt 1 ton (2000 lbs.) of ice in 24 hours. The heat required to melt 1 lb of ice at 32 oF to water is 144 Btu. 1 Ton Refrigeration = (2000 lb) (144 Btu/lb) / (24 hr) = 12000 Btu/hr.
http://www.fefpa.org/post_conf_handouts/Summer2015/Chilled%20Water%20Storage%20in%20Collier%20County%20Schools%20FEFPA%20Summer%202015.pdf
Volume, gallons = 5.875D2H where D = Inside Tank Diameter, Feet H = Height of Water, Feet. Assuming 750,000 gallons (6,583 Ton-hrs at 14 Degree Delta T) and Diameter of 50 feet, Height of Water is approximately 51.06 feet. Rouleau, Roman, Ellis 7 July 2015Chilled Water TES – an Alternative to Static Ice. Tank Location.
https://bvthermal.com/how-to-size-a-chiller/
May 31, 2017 · General sizing formula: Calculate Temperature Differential (ΔT°F) ΔT°F = Incoming Water Temperature (°F) – Required Chill Water Temperature. Calculate BTU/hr. BTU/hr. = Gallons per hr x 8.33 x ΔT°F. Calculate tons of cooling capacity Tons = BTU/hr. ÷ 12,000. Oversize the chiller by 20% Ideal Size in ...Estimated Reading Time: 50 secs
https://www.watermgt.com/Equivalent%20Full%20Load%20Cooling%20Hours.pdf
peak design load is actually 2,750 tons. Assume that the hospital operates 2,800 hours a year at full capacity. This equals 2,750 tons X 2,800 hours = 7.7 million ton hours. If the tower has 3.0 cycles of concentration under most conditions, it will need approximately 2.4 gallons per ton hour of water so water use is (7,700,000 X 2.4) = 18.5 million gallons a year.
https://online.unitconverterpro.com/conversion-tables/convert-group/factors.php?cat=energy&unit=24
ton-hour (refrigeration) = 7.9025468013534E+25 : electron volt: 1 = 0.11999998323729 : therm: 1 = 0.11999998323729 : therm (EC) 1 = 0.12002865206655 : therm (US)
https://www.unitconverters.net/energy/kilowatt-hour-to-ton-hour-refrigeration.htm
1 ton-hour (refrigeration) = 3.5168528421 kW*h Example: convert 15 kW*h to ton-hour (refrigeration): 15 kW*h = 15 × 0.2843451361 ton-hour (refrigeration) = 4.2651770414 ton-hour (refrigeration)
https://oaktrust.library.tamu.edu/bitstream/handle/1969.1/94066/ESL-IC-10-10-21.pdf?sequence=1&isAllowed=y
load within the next 24 hours. Wei et al. (2000) developed control strategies for both on-peak and off-peak months to minimize demand charges for a 7000 ton-hour (24,618 kW-hour) chilled water storage system serving a hospital. By optimizing the operation of the building air handling units, chilled water pumps, chiller plant and the thermal storage
https://www.trane.com/content/dam/Trane/Commercial/global/products-systems/education-training/engineers-newsletters/waterside-design/enews_28_4_093099.pdf
6,385,000 ton-hours. But what would happen if the chillers were not operated equally? For example, there were 4,740 hours when the cooling load required the operation of at least one chiller. Conversely, only 990 hours required all four chillers. Starting the “Swing-Chiller” Design This popular design for chilled-water
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