The present disclosure provides a refrigeration system. The system includes an evaporator unit having a housing configured to receive the refrigerant and an air inlet port configured to receive air. A porous material is disposed within the housing for defining a first compartment and a second compartment. A compressor unit is fluidically coupled to the housing and configured to induce an evacuation action within the housing, which enables air to enter the housing from the ambient surroundings via the air inlet port. The porous material is positioned above the air inlet port for allowing the air into the housing therethrough. The routed air disperses within the housing to form air bubbles, inducing turbulent motion of the refrigerant for converting the refrigerant into a mixture of refrigerant vapors and a cooled refrigerant. A heat exchanger is configured to refrigerate the enclosure.

The present application discloses a rotary liquid distributor for a liquid-cooled tank, and a liquid-cooled tank. The rotary liquid distributor includes a liquid distribution cavity and a liquid distribution arm provided in the liquid distribution cavity. The liquid distribution cavity rotates around a central shaft thereof. A plurality of the liquid distribution arms are uniformly distributed in a circumferential direction of the liquid distribution cavity. That is, the liquid distribution arm rotates with the liquid distribution cavity. Then, a liquid distribution outlet is provided between a first end and a second end of the liquid distribution arm. The liquid distribution outlet is located on a side of the liquid distribution arm facing away from a rotating direction.

An adiabatic cooling system includes a condenser coil, a plurality of adiabatic pads, a plurality of frames, and a pad pivoting system. Each frame is configured to hold a respective one of the plurality of adiabatic pads and to pivot about a respective one of a plurality of pivot points. The pad pivoting system is configured to rotate each one of the plurality of frames about the respective pivot point of the frame from an open position to a closed position, and to rotate each one of the plurality of frames about the respective pivot point of the frame from the closed position to the open position. When the plurality of frames are in the open position, intake air for the adiabatic cooling system is unimpeded by the plurality of adiabatic pads as the intake air enters the adiabatic cooling system and contacts the condenser coil.

A hybrid evaporative cooler system can include an evaporative cooler, a cooling coil, and a controller. The evaporative cooler can be located in an airstream and the cooling coil can be located in the airstream downstream of the evaporative cooler. The cooling coil can be configured to receive a process fluid from a source. The controller can be configured to operate the hybrid evaporative cooler system in a dry mode on condition that the leaving process fluid temperature set point is greater than the minimum supply fluid temperature.

A heating, ventilation, and/or air conditioning (HVAC) system having a return air recycling system that includes a heat exchanger configured to be disposed along a refrigerant circuit of the HVAC system and flow a refrigerant therethrough, an exhaust fan configured to direct return air across the heat exchanger to place the refrigerant in thermal communication with the return air and to exhaust the return air from the HVAC system, and a controller configured to adjust a speed of the exhaust fan, a flow rate of refrigerant through the heat exchanger, or both, based on feedback indicative of a temperature of the return air.

A refrigeration system includes a compressor, a condenser, a heat transfer component, and a refrigerant loop arranged to allow a flow of a refrigerant fluid. The compressor, the condenser, and the heat transfer component are connected in the refrigerant loop. The system further includes a bypass path extending between an output side of the compressor in the refrigerant loop and an input side of the heat transfer component in the refrigerant loop. A bypass valve is connected in the bypass path. A control circuit is in communication with the bypass valve. The control circuit is configured to open the bypass valve to allow the refrigerant fluid to pass to the heat transfer component thereby increasing the refrigerant fluid provided to the heat transfer component and artificially increasing a load on the refrigeration system. Other examples refrigeration system and examples methods are also disclosed.

A CO.sub.2 based refrigeration system and a method of operating the CO.sub.2 based refrigeration system. The system includes a condenser configured to transfer heat from a CO.sub.2 refrigerant of the refrigeration system to an air stream. The system also includes an indirect evaporative cooler arranged to cool an ambient air stream without changing its moisture content and to supply the cooled ambient air to the condenser to facilitate the transfer of heat from the CO.sub.2 refrigerant.

A three-dimensionally distributed liquid atomization heat exchanger includes a housing, an air extraction device, a heat exchange device and a liquid atomization device. The air extraction device is used for forming negative pressure in the housing. The liquid atomization device comprises a liquid supply pipe, atomization discharge pipes and atomization heads. The atomization discharge pipes are connected to the liquid supply pipe. The atomization heads are arranged on the atomization discharge pipes. The atomization discharge pipes are three-dimensionally distributed in the housing. Control devices are arranged on the atomization heads to control the atomization heads to be opened or closed. The control devices are connected to a control center which can, according to a preset time, a preset percentage of the atomization heads which are open and a randomization function, select randomly the atomization heads to be opened or closed.

A distributor includes at least: a first flow path through which refrigerant flowing in from a refrigerant inflow unit flows in a first direction toward a heat transfer tube disposed on the side of a refrigerant outflow unit; two second flow paths branched from the first flow path; two third flow paths, through each of which the refrigerant flows in a second direction opposite to the first direction; two fourth flow paths, each of which is formed to protrude from a main body toward the second direction and through each of which the refrigerant flows in a third direction intersecting the two third flow paths; and two fifth flow paths, through each of which the refrigerant flows in the first direction.

The disclosed technology includes an air system including a first interlaced microchannel heat exchanger and a second interlaced microchannel heat exchanger. The air system can include a plurality of fluidly separated refrigerant circuits, and each of the refrigerant circuits can be configured to flow through the first interlaced microchannel heat exchanger and the second interlaced microchannel heat exchanger. The first interlaced microchannel heat exchanger can be located indoors, and the second interlaced microchannel heat exchanger can be located outdoors. Each of the refrigerant circuits can include its own compressor and expansion valve.