A system and method are disclosed for cooling ambient air to be supplied as combustion air to a gas turbine. The system comprises a closed coolant loop direct expansion cooling system including a compressor for compressing a suitable working fluid, an expansion device downstream from the compressor for expanding the working fluid so as to cool a cooling coil. The cooling coil is in heat exchange relation with ambient air flowing to the gas turbine for lowering the temperature of the ambient air to a lower temperature such that combustion air delivered to the gas turbine is below the ambient temperature thereby to increase the efficiency of the gas turbine. A return line is provided for returning the working fluid to the compressor.

An assembly is provided for an aircraft propulsion system. This assembly includes a gas turbine engine and a vapor absorption refrigeration system. The gas turbine engine includes a turbine section. The vapor absorption refrigeration system is configured to be driven by waste heat energy received from the turbine section. The vapor absorption refrigeration system includes a condenser.

An air conditioner includes a bypass pipe connecting a first bypass branch of a first connection pipe, through which high-pressure refrigerant flows, with a second bypass branch of a third connection pipe, through which low-pressure refrigerant flows, to allow bypassing of high-pressure refrigerant in the first connection pipe to the third connection pipe, and a bypass valve mounted in the bypass pipe. During a cooling operation of an indoor unit, the bypass valve is opened to allow bypassing of high-pressure refrigerant of the first connection pipe to the third connection pipe.

A refrigerating apparatus applied to a refrigerator is disclosed. The refrigerating apparatus includes a refrigerant, a depressurization gas, an evaporator, a condenser, a first connecting pipe, a second connecting pipe, a third connecting pipe, a blower device and a refrigerator body. The evaporator is provided with an inlet and an outlet; the condenser is provided with a condensation cavity, a gas inlet, a gas outlet and a liquid outlet; a molecular sieve membrane is disposed in the condensation cavity; one end of the first connecting pipe is connected to the outlet and the other end to the gas inlet; one end of the second connecting pipe is connected to the liquid outlet and the other end to the inlet; one end of the third connecting pipe is connected to the gas outlet and the other end to the inlet.

The present disclosure discloses a nano-separation refrigeration system and discloses a refrigeration circulation method, wherein the nano-separation refrigeration system includes an evaporator provided with an inlet and an outlet; a condenser provided with a condensation cavity, a gas inlet, a gas outlet, and a liquid outlet, wherein a molecular sieve membrane is disposed in the condensation cavity between the gas inlet and the gas outlet, and the molecular sieve membrane is configured to separate a mixed gas; a first connecting pipe having one end connected to the outlet and the other end to the gas inlet; a second connecting pipe having one end connected to the liquid outlet and the other end to the inlet; a third connecting pipe having one end connected to the gas outlet and the other end to the inlet.

A refrigeration cycle apparatus (1) is capable of performing a refrigeration cycle using a small-GWP refrigerant. The refrigeration cycle apparatus (1) includes a refrigerant circuit (10) and a refrigerant enclosed in the refrigerant circuit (10). The refrigerant circuit includes a compressor (21), a condenser (23), a decompressing section (24), and an evaporator (31). The refrigerant contains is a small-GWP refrigerant.

A water chamber structure for a condenser, including an orifice plate arranged at one end of the condenser; a water cover fixed to the orifice plate in a sealed manner to form a water storage space; and a partition plate assembly for dividing the water storage space into a water inlet chamber and a water outlet chamber in a sealed manner, including: a first partition plate, the top and side walls of the first partition plate are fixed to the inner walls of the water cover; and a second partition plate, the top of the second partition plate is fixedly connected with the bottom of the first partition plate, the bottom of the second partition plate is fixed to the orifice plate, and the side walls of the second partition plate are connected with the inner walls of the water cover in a sealed manner.

A Heat Extraction with Water (HEW) cooling system for cooling room air of a building comprises a self-contained, condenser unit including compressor, an HEW condenser tube, and a water pump to circulate cool underground water around the HEW condenser tube. A first flow line between the compressor and the building directs cooled refrigerant to an evaporator tube within the house. A second flow line directs heated refrigerant to the compressor. A third flow line directs heated, compressed refrigerant to a refrigerant flow line in a water jacket

A sub-fab area installation apparatus includes: a vacuum pump configured to evacuate a processing gas from a processing chamber of the semiconductor manufacturing equipment; a cooling unit configured to cool a first circulation liquid used in the processing chamber; a heating unit configured to heat a second circulation liquid used in the processing chamber; and a cooling-liquid line configured to pass a cooling liquid therethrough. The cooling liquid is supplied from a cooling source. The cooling-liquid line includes: a distribution line configured to supply the cooling liquid to the vacuum pump and the cooling unit; and a merging return line configured to merge the cooling liquid that has passed through the vacuum pump and the cooling unit and return the cooling liquid to the cooling source.

A refrigeration system includes at least one refrigeration circuit 2. The refrigeration circuit 2 includes a compressor 10, a first heat rejecting heat exchanger 6, a second heat rejecting heat exchanger 8, an expansion valve 12 and a heat absorbing heat exchanger 4. The refrigeration circuit 2 further includes a heat recovery control valve 14 for controlling flow of the compressed refrigerant fluid between the first heat rejecting heat exchanger and the second heat rejecting heat exchanger. The first heat rejecting heat exchanger 6 is for receiving compressed refrigerant fluid from the compressor 10 and exchanging heat between the compressed refrigerant fluid and a second fluid to increase the temperature of the second fluid. The second heat rejecting heat exchanger 8 is for receiving the compressed refrigerant fluid and exchanging heat with ambient air to cool the compressed refrigerant fluid.