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Energy Generation Solutions for Meyer Hospital: Heat and Cold Systems Conference

The conference held at Meyer Hospital in Florence from May 8-9, 2003, focused on the critical need for thermic energy throughout the year. The discussions covered efficient generation of hot and cold water while minimizing energy waste. Key physical principles, including the coefficient of performance (COP) for heat pumps and cooling systems, were analyzed to optimize energy transfer. The integration of heat pumps and boilers provides hot water in winter and facilitates chilled water in summer, ensuring an effective energy management system tailored for hospital needs.

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Energy Generation Solutions for Meyer Hospital: Heat and Cold Systems Conference

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  1. Heat and cold generation Meyer Hospital Florence Meeting, 8-9 May 2003

  2. Requirements Purpose An hospital has a great need of thermic energy all year round Provide the needed hot and cold water with the lower waste of energy

  3. Phisycal principles COP E C 3.80 3.68 The refrigeration cycle COP 3.25 2.85 20 25 30 35 Condensation pressure i.e. temperature of cooling fluid the hotter temperature, the lower COP → split the chilling units

  4. Phisycal principles C1 recovered cold primary effect E C Energy transfer 3.80 3.68 3.25 2.85 20 25 30 35

  5. E Phisycal principles energy / primary energy used h production Heat Pump E C 1.05 h production condensation The heat pump Condensation pressure i.e. temperature of heating fluid h production Heat Pump≥ h production condensation boiler h production Heat Pump = h electricproduction· COP = 0.3 · COP ≥ 1.05

  6. E E E C1 this device can be considered as a heat transfer Configuration heat pump E C this group produces cold water during the summer and hot water during mid season HP1 heat pump E C the boilers group produces hot water during winter HP2 E C heat pump this group produces cold water during the summer Boiler C2 boilers chiller E C

  7. E E E C1 Summertime E C hot water general distribution chilled water general distribution outdoor HP1 E C HP2 E C Boiler C2 off E C

  8. E E E C1 Winter season E C hot water general distribution chilled water general distribution HP1 off E C HP2 E C off Boiler C2 off E C

  9. E E E C1 Mid season E C hot water general distribution chilled water general distribution outdoor HP1 E C HP2 E C Boiler C2 off off E C

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