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4 cold storage comparison you need to store 80000 tonhours...

Question: 4 cold storage comparison you need to store 80000 tonhours...

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4. Cold storage comparison. You need to store 80,000 ton-hours of cooling capacity. Your choices are to use chilled water with a 20F delta T, or build ice in an insulated storage tank. What is the ratio of the required water volume to required ice volume (dimensionless ratio)? For the ice, consider only the cool storage represented by the phase change, use 57.2 lb/ft3 for ice density, and 144 btu/lb for heat of fusion.

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