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RE: [EnergyPlus_Support] Low temperature radiant system - check return water temperature?





That's not entirely true. Instead of one long circuit you have many short circuits in parallel. This changes flow velocities inside of the pipes which effect heat transfer rates and would effect pressure drops that need to be met by the pump. As I always mention, the limiting effect is more often the area of the cooled componant.

EnergyPlus calculates all the effects even if some of them have next to no net effect under normal circumstances.

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