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DISTRICT COOLING SYSTEM

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DISTRICT COOLING SYSTEM

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  1. DISTRICT COOLING SYSTEM: WHY IS DIRECT CONDENSATION BETTER?

  2. A District Cooling Plant produces and distributes thermal energy in the form of chilled water from a central source to multiple buildings through a network of pipes • The condensation techniques utilised by District Cooling System are classified into two: • Direct condensation • Indirect condensation

  3. In a direct condensation, the cooling water directly goes into the building's internal piping system whereas a heat exchanger separates the internal and external systems in an indirect condensation system. • The prime difference between direct and indirect systems is the secondary water cycle. Indirect condensation makes use of the secondary water cycle which is absent in the direct condensation.

  4. In Indirect Condensation, if the encompassing wet bulb temperature is 31°C and the cooling tower is utilized with a methodology of 4°C then the cooling water will be 35°C. Water will be warmed up to 39°C in the condenser, so the consolidating temperature will be 41°C, resulting in a methodology of 10°C.

  5. In the Direct Condensation, the ambient wet-bulb temperature is 31°C, condensation happens at 39°C as the temperature difference of the cooling water loop is omitted, resulting in a total approach of 8°C.

  6. Advantages of direct condensation • The compressor's electrical consumption is reduced by up to 6%. • The omission of the cooling water loops saves an additional 8% of energy consumption. • Chilled water air conditioning instead of toxic refrigeration • The overall energy consumption of the cooling plant is reduced by up to 14%.

  7. Reduction in carbon footprint • Ideal for Middle East district cooling • Space-saving due to the elimination of cooling water circuit and cooling water pumps • Reduced noise and potential environmental hazards • Low-cost cooling solution

  8. Hope you now understand the benefits of a direct condensation district cooling system. Thank You

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