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  2. Natural refrigerant - Wikipedia

    en.wikipedia.org/wiki/Natural_refrigerant

    Carbon dioxide requires higher pressures to be able to condense within the cooling system, meaning that it has to be pressurized more than the other natural refrigerants. [22] It can require up to 200 atmospheres to achieve adequate pressure for condensation. [23] Refrigerant systems using carbon dioxide need to be built to withstand higher ...

  3. Ionocaloric refrigeration - Wikipedia

    en.wikipedia.org/wiki/Ionocaloric_refrigeration

    In conclusion, the ionocaloric refrigeration cycle represents a promising approach for efficient and eco-friendly cooling systems. Notably, the use of specific ionocaloric materials such as the ethylene carbonate-sodium iodide system and NaI, known for their high solubilities and ionic conductivity, further enhances this innovative technology's ...

  4. Passive cooling - Wikipedia

    en.wikipedia.org/wiki/Passive_cooling

    Passive cooling covers all natural processes and techniques of heat dissipation and modulation without the use of energy. [1] Some authors consider that minor and simple mechanical systems (e.g. pumps and economizers) can be integrated in passive cooling techniques, as long they are used to enhance the effectiveness of the natural cooling process. [7]

  5. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    Radiant cooling systems potentially offer reductions in cooling energy consumption. [10] The latent loads (humidity) from occupants, infiltration and processes generally need to be managed by an independent system. Radiant cooling may also be integrated with other energy-efficient strategies such as night time flushing, indirect evaporative ...

  6. Chilled beam - Wikipedia

    en.wikipedia.org/wiki/Chilled_beam

    A chilled beam is a type of radiation/convection HVAC system designed to heat and cool large buildings through the use of water. [1] This method removes most of the zone sensible local heat gains and allows the flow rate of pre-conditioned air from the air handling unit to be reduced, lowering by 60% to 80% the ducted design airflow rate and the equipment capacity requirements.

  7. Cooling Pads, Hammocks, and More: How To Keep Cool at Night ...

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  8. Sea water air conditioning - Wikipedia

    en.wikipedia.org/wiki/Sea_water_air_conditioning

    Sea water air conditioning (SWAC), also known as ocean water cooling, is an alternative cooling system that uses the deep cold seawater as the chilling agent for a closed-loop fresh water distributed cooling system. It is one type of deep water source cooling. Once installed, SWAC systems typically operate at approximately 15% of the power ...

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