Abstract: A nozzle device and method for creating a fluid nucleation in situ, is disclosed. The nozzle has a housing having a hollow interior, an outer cylindrical wall, and inlet and an outlet, and a diffuser disposed in the cylindrical tube at a first end toward the inlet. The diffuser is configured to break bonds between adjoining fluid molecules and create a nucleation event. The nozzle further has a mesh framework disposed in the cylindrical tube and extending longitudinally within the tube in the nucleation zone, and is configured to manipulate the bonding and un-bonding of water molecules within a pressurized environment for the production of snow, clean water or both.

Abstract: An air conditioner includes a body including an air inlet configured to receive air from an air compressor configured to press and transfer the air to provide the air to a cathode of a fuel cell stack. An air element is configured to supply the air to the cathode, and an inner space allows the air inlet and the air outlet to communicate with each other. A plurality of tubes is provided in the inner space of the body and through which fluid flows along hollows holes of the tubes. While the air supplied through the air inlet passes through the inner space, the air is cooled through heat exchange with the fluid flowing along the hollows of the tubes.

Abstract: Systems and methods for evaporatively cooling air wherein a cooling system enclosure is alternately expandable and contractible. The housing is expandable for operation and contractible for storage or transportation. A water distribution subsystem delivers water from a reservoir to evaporative media within the enclosure. Air is circulated over the evaporative media to cool the air. The enclosure may be expanded by creating a positive pressure differential between the interior and exterior of the enclosure. The water distribution subsystem and evaporative media may be configured to move from storage to operating positions within the enclosure as the enclosure moves from the contracted position to the expanded position. The enclosure may include substantially rigid portions that form a protective housing for the internal cooling components when in the contracted storage position. Wheels and stowable handles may facilitate transportation of the system.

Abstract: A method of liquid delivery in an evaporative cooler having an assembly of plates may include delivering liquid from a fill tube to a first trough formed on a first plate of the assembly of plates, the first trough including a first perforation in fluid communication with a second trough formed on a second plate of the assembly of plates, the fill tube configured to deliver the liquid above the first perforation such that an exit point of the fill tube is not submerged in liquid at any point during liquid delivery or operation of the evaporative cooler, draining the liquid from the first trough to the second trough via the first perforation, and filling the second trough to an overflow level before permitting the liquid to exit the second trough via a second perforation, the overflow level defined by a bottom of the second perforation.

Abstract: A temperature adjustment method comprising: forming a wet surface wet with a cooling medium by supplying the cooling medium to a rear surface of a temperature adjustment surface of a component member in a processing chamber of a substrate processing device comprising the processing chamber which performs predetermined processing on a substrate and is vacuum-exhaustible; and adjusting a temperature of the temperature adjustment surface due to latent heat of evaporation of the cooling medium by evaporating the cooling medium which forms the wet surface by adjusting a pressure in an evaporation chamber which isolates the wet surface from an atmosphere around the wet surface.

Abstract: A heat exchanger includes a plate with an external surface, a channel, and a nozzle. The external surface bounds an interior of the plate. The channel is disposed in the heat exchanger and passes through a portion of the interior. The nozzle is integrally disposed in the heat exchanger, extends through a portion of the external surface, and is fluidly connected to the channel. The nozzle is configured to transport a liquid from the channel, through the external surface, and to distribute the liquid onto a portion of the heat exchanger.

Abstract: Described are methods, systems, and apparatus, including computer program products, relating to an air module and control thereof. An air module can include a controller, an air intake module configured to receive first air from a first air source and to receive second air from a second air source, an evaporative cooling module in fluid communication with the air intake module, and a mechanical cooling module in fluid communication with the evaporative cooling module. The controller can be configured to cause the intake module to mix the first air and the second air to form intake air, and selectively cool the intake air to form supply air by at least one of causing the evaporative cooling module to selectively cool the intake air, and causing the mechanical cooling module to selectively cool the intake.

Abstract: An evaporative cooler which has a main body that has an air supply inlet, an air supply outlet, a bleeding inlet, and a bleeding outlet; and a heat exchange unit. An air supply passage and a bleeding passage are spatially separated from each other to prevent fluid passing through the bleeding passage from being introduced to indoors via the air supply passage.

Abstract: Cooling systems and methods of controlling a cooling system which includes one or more pumps and one or more fans, wherein the pumps and the fans are controlled by a controller. The controller controls the cooling system by a determination of an operation of the cooling system for sequencing activations, deactivations, and/or controlling parameters of the pumps, the fans, and/or other component(s) of the cooling system based on a first sensitivity of a power input as a function of lift, and a second sensitivity of a power input as a function of lift.

Abstract: Described are methods, systems, and apparatus, including computer program products, relating to an air module and control thereof. An air module can include a controller, an air intake module configured to receive first air from a first air source and to receive second air from a second air source, an evaporative cooling module in fluid communication with the air intake module, and a mechanical cooling module in fluid communication with the evaporative cooling module. The controller can be configured to cause the intake module to mix the first air and the second air to form intake air, and selectively cool the intake air to form supply air by at least one of causing the evaporative cooling module to selectively cool the intake air, and causing the mechanical cooling module to selectively cool the intake.

Abstract: A cooling channel is provided for cooling goods to be chilled, in particular food or pharmaceutical products. The cooling channel includes a cooling tower having an inlet end and an outlet end; a driven conveyor belt on which the goods to be chilled are arranged such that they can be conveyed through the cooling tower from the inlet end to the outlet end; a housing surrounding the conveyor belt and forming a cooling zone in the region of the conveyor belt; a filter unit for filtering air; a cooling unit for cooling the cooling zone; and at least one fan that interacts thermodynamically with the cooling unit and that conveys cooled air from the cooling unit to the cooling zone.

Abstract: A heat exchanger (20) comprising: a pair of generally planar, heat conducting plates (10) arranged in spaced, generally parallel relationship; spacing elements (22) separating the plates (10) from one another and defining first (26) and second (28) flow channels between the plates (10) for flow in a first direction and a second direction respectively; wherein the plates (10) in at least the first channel (26) are divided into fins (14), the fins being separated from each other in the first direction and being offset from the plate (10) perpendicular to the first direction to a plurality of offset positions.

Abstract: A method for controlling performance of an MCM capable support surface having a flowpath for guiding a stream of air along at least a portion of the surface, comprises specifying a desired evaporative rate greater than an evaporative rate achievable with unconditioned ambient air, chilling the unconditioned ambient air to a temperature at least as low as that required to achieve 100% relative humidity, thereby demoisturizing the air, and supplying the chilled, demoisturized air to the flowpath. The method may also include the step of heating the chilled, demoisturized air prior to step of supplying it to the flowpath. A system for carrying out the method includes a microclimate management (MCM) capable support surface 22, a chiller 60 for cooling air to be delivered to the MCM capable surface, a user interface 42 for receiving instructions concerning desired microclimate management performance, and a controller 50, responsive to the instructions, for operating the chiller.

Abstract: Techniques for providing power to a data center includes transferring heat from a computer data center to warm a fluid stored within an energy regeneration system; circulating the warmed fluid to a flow of compressed gas stored within the energy regeneration system during a discharging process that expands the compressed gas; generating energy with the energy generation system from the discharging process; and providing at least a portion of the generated energy to the computer data center as electrical power.

Abstract: A method and arrangement are provided for reducing the amount of condensed moisture inside an enclosure which encloses at least one piece of electrical equipment which is configured to receive electric power from outside the enclosure in a first electrical magnitude range (0 . . . maxinput) and to feed electric power to outside the enclosure in a second electrical magnitude range (minoutput . . . maxoutput). Electric power received on at least one portion (a, b, c) of the first electrical magnitude range (0 . . . maxinput) being outside the second electrical magnitude range (minoutput . . . maxoutput) is utilized for heating the condensed moisture for exhaustion thereof.

Abstract: A method and apparatus for increasing the efficiency of an air conditioning system. Misting the air conditioning system's condenser with water cools the condenser and enables the system to more rapidly condense the refrigerant therein. By increasing the rate at which the refrigerant is condensed, energy and wear and tear on the system is reduced. Control of the misting is important, and sensing environmental and other present metrics to assist that control increases the efficiency offered by the present method and apparatus.

Abstract: A method is disclosed for supplying air conditioned air to a residence or building interior. The method entails positioning a heat and mass exchanger to discharge conditioned air into the residence or building interior. Further, a rotatable desiccant wheel dehumidifier in positioned in fluid communication with the heat and mass exchanger. Supply air is received and treated in the dehumidifier, thereby supplying dry air to the heat and mass exchanger and exhausting hot humid air. The heat and mass exchanger is positioned and configured to received dry air from the dehumidifier and supply cooler dry air to the residence or building interior, or other target environment. A system is also disclosed for operating the described air supplying or air conditioning method.

Abstract: A system is provided for rapidly cooling a pot or boiler. The system includes a cylindrical or semi-cylindrical tube operatively connected to the pot or boiler. The tube also includes a means for attaching a water source or hose. Finally, the tube may also include a series of holes or nozzles for directing a stream or spray of water towards the outer surface of the pot or boiler. The system may be built into the pot or boiler or may be a standalone, removable and adjustable system for use on multiple different pots or boilers.

Abstract: To provide a refrigerating cycle apparatus capable of improving cooling ability by water spray to perform an efficient operation while suppressing decrease in collected power by an expander. The refrigerating cycle apparatus includes: a first compressor that compresses the refrigerant; an expander that decompresses and expands the refrigerant to collect power for expansion; a second compressor that is driven by the power collected by the expander to further compresses the refrigerant compressed by the first compressor to transmit it to a main radiator; a heat exchanger having an intercooler that cools the refrigerant compressed by the first compressor and a main radiator that cools the refrigerant compressed by the second heat exchanger to transmit it to the expander; indoor heat exchangers that heat the refrigerant decompressed by the expander; and a water spray apparatus that sprays water onto the outer surface of the intercooler and the main radiator.

Abstract: One aspect of the present invention is directed to an apparatus for cryogenically cooling a substance. The apparatus of the present invention includes a thin film evaporator comprising a microstructured surface and an applicator for dispensing a working fluid onto the microstructured surface. The apparatus preferably contains a pressure-controlled vessel enclosing the thin film evaporator and at least a portion of the applicator. In a second aspect, the present invention is directed to the method of using a thin film evaporator of the present invention to cryogenically cool a substance by forming a thin film layer of the working fluid on the microstructured surface of the thin film evaporator.

Abstract: The invention relates to a method producing a portioned column by forming a first segment and a third segment into arcuate segments, and attaching these arcuate segments to a second z-shaped segment to from two contiguous volumes with approximately semi-circular cross-sections that combine to form a partitioned, approximately cylindrical segment.

Abstract: A quench system and process for cooling high temperature gases is presented. The quench system includes a frustum, or conic, shaped section having an inlet at the smaller end of the quench section and the outlet at the larger end of the quench section. The system includes spray nozzles having openings flush with the wall of the quench section. The process includes spraying a large volume of liquid in small droplets for rapid heat transfer and vaporization of the quench liquid.

Abstract: To reduce power consumption and more efficiently cool computing devices in a data center, an air supply unit supplies air from outside the data center to an air handling unit, which cools servers within the data center using the supplied air. Using air from outside the data center, rather than recirculating and cooling air from within the data center, reduces the power consumption of the data center. In an embodiment, a chiller and/or an evaporative cooling system are coupled to the air supply unit to allow further cooling of the outside air before it is circulated. Heat generated by the servers within the data center is collected, for example using thermal pathways coupled to server components, and used by the chiller in an absorption or adsorption process to further reduce power consumption of the data center and allow the air handling unit to further cool the outside air.

Abstract: A device for the evaporative cooling of a viscous fluid, the device including a vacuum chamber wherein the viscous fluid is cooled. The vacuum chamber includes a lower part wherein the viscous fluid is collected by gravitational force, and an outlet pipe, located at the bottom of a lower part, through which the cooled down fluid is extracted. The device also includes an extraction device that itself includes a primary pump, fed with the cooled fluid from the lower part through the outlet pipe, and a feeding device, located inside the lower part, which pushes the cooled down fluid from the lower part towards the primary pump, through the outlet pipe. Also, an apparatus and method for the sterilization, degassing or water concentration of a viscous fluid including the evaporative cooling device.

Abstract: A method and device are provided for regulating the temperature and relative humidity of the air in a building having microporous external walls and external thermal insulation, including air circulation spaces provided between the walls and the thermal insulation, and a device for supplying the spaces with a controlled air flow, the device configured for supplying the spaces with air substantially saturated with water vapour.

Abstract: A water cooler kit is provided for use with an evaporative cooler of a type comprising at least one cooling pad, a water reservoir, a water inlet to supply water to the reservoir from a water supply at least one conduit for distributing water onto said at least one cooling pad, a fan for moving air through said cooling pad, and a pump for transferring water from said reservoir to said conduit. The water cooler kit comprises a cooling plate disposed in the reservoir, a heat dissipating structure disposed outside of the evaporative cooler, and a heat transferring thermal conductor between the cooling plate and the heat dissipating structure to transfer heat from the cooling plate to the heat dissipating structure so that heat is extracted from water in the reservoir and dissipated outside the evaporative cooler.

Abstract: Apparatus, systems, and methods provide for the cooling of an aircraft subsystem. Coolant is routed through a heat-producing subsystem to absorb heat from the subsystem and to maintain the subsystem at a desired temperature. Bleed air from an aircraft engine is cooled, dehumidified, and routed to a cooling mechanism. In the cooling mechanism, a portion of the heated coolant is evaporated into the dehumidified bleed air, cooling the remaining coolant. The reduced-temperature coolant is routed back to the subsystem to absorb further heat. Humid air from the cooling mechanism and the dehumidifying mechanism is utilized by other aircraft subsystems.

Abstract: Combination of a water cooled condenser, a cooling tower, a compressor and several controlling components to combine into one single unit of a compound condensing system makes it much more efficient in operation. Layer arrangement is constructed where reshuffled or rearrangement is possible to give similar outcome. This helps saving of electrical energy, prolonging the life of compressor, in addition to minimize global warming.

Abstract: A heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), difiuoromethane (R-32) and 1,1-difluoroethane (R-152a).

Abstract: Systems and methods provide a mist cooling system that utilizes rain water as a source of mist, and that relies on a solar-powered or naturally-powered water pump to provide the rainwater to the mist generating device. The rainwater may be stored in a storage facility located on an elevated portion of a structure, such as the roof or other location, and may be provided to the mist generating device via the solar-powered pump. Such mist cooling may reduce energy consumption in applications such as the cooling of data centers, surgery rooms, archives or other temperature sensitive facilities that consume large amounts of energy for cooling.

Abstract: A battery system and a method for cooling the battery system are provided. The system includes an evaporative cooling member, and a battery module having a housing, a battery cell, and a solid cooling fin. The housing holds the battery cell therein. The solid cooling fin has first and second panel portions. The first panel portion is disposed against the battery cell. The second panel portion extends through the housing and is disposed on the evaporative cooling member. The solid cooling fin conducts heat energy from the battery cell to the evaporative cooling member. The evaporative cooling member receives a gaseous-liquid refrigerant and transitions the gaseous-liquid refrigerant into a gaseous refrigerant utilizing the heat energy received from the solid cooling fin.

Abstract: A method of controlling the operation of an evaporative air cooler where the pads (2) of the cooler are intermittently wetted with an amount of water (14) in excess of the capacity of the pads (2) to absorb and retain during each wetting operation of the pad. The airflow (20) through the pads during intermittent wetting being limited to a velocity so as to not entrain water in the airflow during the wetting operation and the velocity of the airflow through the pads is increased after each intermittent wetting so as to raise the level of cooling output (22) of the cooler between each intermittent wetting operation.

Abstract: An evaporative cooling apparatus includes a liquid reservoir and a pump coupled to the liquid reservoir. The pump includes a pressure output that applies a static pressure against the liquid stored in the liquid reservoir. The applied pressure forces liquid through a liquid supply line to a nozzle unit, and the liquid is ejected into a stream of forced air from a fan for evaporative cooling applications. The pressure output is also in fluid communication with the nozzle unit via a gas supply line extending between the pressure output and the nozzle unit for delivering gas into the nozzle unit. The gas delivered to the nozzle unit interacts with the liquid inside the nozzle unit to generate the atomized spray of liquid droplets.

Abstract: A cooling system can control a coolant temperature with a simple configuration. The cooling system 90 includes a vaporization vessel 80, a first fluid source 92, a first flow rate control unit 91, and a pressure control unit 99. The vaporization vessel 80 has a space, a supply opening 80a and a discharge opening 80b through which the coolant is supplied and discharged, respectively. The first fluid source 92 stores a first fluid having a vapor pressure higher than that of the coolant. The first flow rate control unit 91 connects the first fluid source 92 to the vaporization vessel 80 and controls a first fluid supply amount into the vaporization vessel. The pressure control unit 99 controls an internal pressure within the vaporization vessel to be higher than the vapor pressure of the coolant and equal to or lower than that of the first fluid.

Abstract: A cooling system connected to the air inlet of an air cooled chiller, having at least one frame at least one net through winch the air absorbed by the chiller is passed, at least one liquid spraying component performing spraying, on the front part of said net's outer surface not facing the chiller, contrariwise to tie chiller and to the incoming direction of air, at least one liquid supply kit sending liquid to said liquid spraying component and at least one liquid transmission instrument carrying the liquid from the liquid supply kit to the spraying component. A cooling method wherein this system is used is also provided.

Abstract: Airflow cooling device including a cooling channel, an evaporating channel separated from the cooling channel by a transfer wall, outflow from the cooling channel going to the evaporating channel, and a lower critical solution temperature polymer at least partially covering the cooling channel side of the transfer wall.

Abstract: Dissipating heat and apparatus therefor from a heat dissipation surface is described. In an embodiment, first jets are streamed along the heat dissipation surface in a first direction and are spaced apart from one another. Second jets are streamed along the heat dissipation surface in a second direction at least substantially opposite the first direction and spaced apart from one another. Coolant used to provide the first jets and the second jets is exited away from the heat dissipation surface. The first jets and the second jets are offset from one another in a transverse direction with respect to the first direction and the second direction, and the first jets and the second jets pass side-by-side with respect to one another.

Abstract: An evaporative cooler that includes a frame, a plurality of pads attached to the frame so that the pads substantially enclose an air space to be cooled, a water delivery device positioned at or near the top of the pads to wet the pads, a plurality of drain pans positioned at or near the bottom of the pads to collect water from the pads, and a fan to draw air through the wetted pads, thereby cooling the air by evaporation.

Abstract: An air filtering apparatus for filtering air includes a chamber having an air flow passage through which air flows, the chamber being connected through an air supply duct to a plurality of air blow-out ports opened to a large space, an air filtering portion that is disposed in the chamber and has a plurality of gas-liquid contact members for bringing air into contact with electrolytic water to filter the air, a water tank that is connected through a water feeding pump to a supply pipe for supplying the electrolytic water to each of the gas-liquid contact members of the air filtering portion, an electrolytic unit for generating the electrolytic water, and a mechanism for leading to the electrolytic unit a part of electrolytic water in the water tank which is sucked by the water feeding pump and supplied to the plurality of gas-liquid contact members through the supply pipe, electrolyzing the part of the electrolytic water in the electrolytic unit to further generate electrolytic water and returning the generat

Abstract: This patent covers the any use of vetiver roots material to provide shade, cooling and humidifying effect to any indoor or outdoor area. The use of vetiver root material could be in form of a mat, carpet or rug, however, not limited to them in their use to provide cooling and humidifying effect. A wet or dry mat using vetiver roots is placed in path of any natural or forced air to cool the air that is passing through. The air may be naturally flowing or forced via fan through the mat to provide cooling effect as well as cleaning effect. The patent also covers the use of water with the vetiver mat to provide additional cooling and humidity. The solution significantly reduces energy consumption.

Abstract: A cooling tower includes an evaporator vessel, a gas delivery tube partially disposed within the evaporator vessel and a liquid inlet that provides liquid to the evaporator vessel. A weir is disposed within the evaporator vessel adjacent the gas delivery tube to form a first liquid circulation path between a first weir end and a wall of the evaporator vessel and a second fluid circulation path between a second weir end and another wall of the evaporator vessel. During operation, gas introduced through the tube mixes with the liquid and the combined gas and liquid flow at a high rate with a high degree of turbulence along the first and second circulation paths defined around the weir, thereby promoting vigorous mixing and intimate contact between the gas and the liquid. This turbulent flow leads to a more efficient and complete heat and mass transfer between the gas and the liquid.

Abstract: Systems and methods for separating a multi-component fluid are provided. The method can include introducing a multi-component fluid to a dividing wall column. The multi-component fluid can be heated to provide a first product, a second product, an intermediate distillate, and a process fluid. At least a portion of the first product can be compressed to provide a compressed first product. Heat can be indirectly transferred from the compressed first product to at least a portion of the intermediate distillate to provide a heated intermediate distillate. The heated intermediate distillate can be recycled to the dividing wall column. The compressed first product can be expanded.

Abstract: A cooling tower system is provided that can exhibit increased energy efficiency that cools a process fluid or the like. The cooling tower system includes a cooling tower unit and a thermoelectric device along with a working fluid loop. The process fluid may be used to heat a working fluid for the thermoelectric device before being sent to the cooling tower for cooling. Power generated by the thermoelectric device may be utilized to operate a component of the cooling tower such as a fan or a pump. The cooling tower is also utilized to provide cooling to condense the working fluid from a vapor to a liquid form wherein the cooling tower is used to remove waste heat from a process fluid.

Abstract: A screen of evaporative cooling media (“screen cooler”) is provided that may be adapted to partially surround the exterior compressor unit of an air conditioner. In some embodiments, the screen cooler may screen the AC unit from the sun and exposure to other forces or events that could potentially harm the AC unit. In some embodiments, the screen cooler is adapted to receive an input of a liquid, such as, for example, water and periodically emit the liquid onto the evaporative cooling media to keep the media moist and cool the air being pulled through the condensing coil and entering the compressor. By cooling the air prior to the air entering the compressor, the efficiency of the AC unit may thereby be increased.

Abstract: A liquid cooling system comprising: a liquid inlet and outlet; one or more liquid reservoirs in fluid communication with the liquid inlet and outlet; an evaporative element in fluid communication with a liquid reservoir; and a fan in flowable communication with a surface of the evaporative element is provided. The liquid cooling system can cool drinking water. The liquid cooling system can be powered by AC power, DC power, solar power or a combination. The liquid cooling system can be used in-line in a hydration system, for example.

Abstract: The invention relates to a device for cooling an object that was previously subjected to a heat application, generally a multi-piece composite, particularly in the form of a shrink-fit chuck into which the shank of a tool was chucked or from which it was removed (cooling device), wherein the device comprises a pump, by way of which it generates a carrier gas flow, particularly an air flow, which is charged with a liquid cooling medium, particularly water, so that a coolant flow, the majority of the volume of which consists of the carrier gas, is created, which then spreads over at least the section of the object to be cooled.

Abstract: There is provided a substrate processing apparatus including: a chamber in which plasma processing is performed on a substrate; a susceptor which is disposed in the chamber and on which the substrate is held; a shower head which is provided to face the susceptor with a processing space therebetween; a high frequency power source which generates plasma by applying high frequency power to the processing space; water spray devices which form a surface wet with water on a rear surface of a surface of the susceptor as a temperature adjustment surface; an evaporation chamber which isolates the wet surface from an atmosphere around the wet surface; and a pressure adjustment device which adjusts a pressure in the evaporation chamber, wherein the pressure in the evaporation chamber is adjusted by using the pressure adjustment device such that the water which forms the wet surface is evaporated, thereby controlling a temperature of the surface of the susceptor by using latent heat of evaporation of the water.

Abstract: The present invention discloses an evaporative cooling clothing system for reducing body temperature of a wearer of the clothing system. The clothing system includes a clothing article configured using a wicking fabric and a hollow transport defining a cavity for transporting a liquid from a liquid reservoir to an upper region of the clothing article. The hollow transport has an intake section and a dispensing section. The intake section is attached to the liquid reservoir for receiving the liquid, and the dispensing section is attached to the upper region of the clothing article. The upper region of the clothing article receives the liquid from the dispensing section and transfers the liquid to a lower region of the clothing article. The lower region of the clothing article exposes the liquid to an environment surrounding the clothing article for evaporation.

Abstract: A data center cooling system is provided to maintain data center temperatures without introducing detrimental conditions into the data center. The computer data center cooling system has a cooling tower that controllably provides cooling water at a temperature in a particular range. The cooling water is then pumped through a series of filtration, treatment, monitoring and separation subsystems to reliably clean the cooling water of particles and treat the cooling water to reduce the harmful effects of corrosion and scaling. Further control subsystems utilize PID loop controllers to maintain the temperature to the air-handler unit cooling coils to within one (1) degree Fahrenheit of a set point that is determined by the computer data center air conditions. The cooling system utilizes either a primary loop or a combination of primary/secondary loops to achieve the highest system efficiency.

Abstract: An evaporative heat transfer system is disclosed wherein a portion of a heat transfer fluid is evaporated and a remainder of the heat transfer fluid is collected in a sump. A characteristic of the heat transfer fluid is monitored. A first fluid input system and a second fluid input system are provided. The first fluid input system provides a first heat transfer fluid to the evaporative heat transfer system. The second fluid input system provides a second heat transfer fluid to the evaporative heat transfer system.