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2. Ground source heat pump - Wikipedia

   en.wikipedia.org/wiki/Ground_source_heat_pump

   A standing column well system is a specialized type of open-loop system where water is drawn from the bottom of a deep rock well, passed through a heat pump, and returned to the top of the well. [18] A growing number of jurisdictions have outlawed open-loop systems that drain to the surface because these may drain aquifers or contaminate wells ...

3. Close Coupled Cooling - Wikipedia

   en.wikipedia.org/wiki/Close_Coupled_Cooling

   The cooling system is adjoint to the server rack and both of them are completely sealed; the solid doors on the enclosure and In-Row Air Conditioners contain the air flow, directing cold air to the server inlet and exhaust air, by using fans, through the cooling coil. The Close-Loop design allows a very focused cooling at rack level and it is ...

4. Glossary of geothermal heating and cooling - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_geothermal...

   Unlike the closed loop in a Ground Source Heat Pump, which is used for small-scale residential heating and cooling, Closed-Loop Geothermal Systems are used for utility-scale energy production (typically >1 megawatt). A Closed-Loop Geothermal System is sometimes referred to as an Advanced Geothermal System (AGS).

5. Solar air conditioning - Wikipedia

   en.wikipedia.org/wiki/Solar_air_conditioning

   These "open loop" systems were the most common in early systems, however water quality could cause damage to the coils in the heat pump and shorten the life of the equipment. Another method is a closed loop system, in which a loop of tubing is run down a well or wells, or in trenches in the lawn, to cool an intermediate fluid.

6. Cooling tower - Wikipedia

   en.wikipedia.org/wiki/Cooling_tower

   A typical evaporative, forced draft open-loop cooling tower rejecting heat from the condenser water loop of an industrial chiller unit Natural draft wet cooling hyperboloid towers at Didcot Power Station (UK) Forced draft wet cooling towers (height: 34 meters) and natural draft wet cooling tower (height: 122 meters) in Westphalia, Germany Natural draft wet cooling tower in Dresden (Germany)

7. Chiller - Wikipedia

   en.wikipedia.org/wiki/Chiller

   The less common open loop industrial chillers control the temperature of a liquid in an open tank or sump by constantly recirculating it. The liquid is drawn from the tank, pumped through the chiller and back to the tank. In industrial water chillers is the use of water cooling instead of air cooling.