A heat pipe including a pipe body. The pipe body has an evaporation portion and a condensation portion. The condensation portion is connected to the evaporation portion. The condensation portion includes a condensation end. The evaporation portion includes an evaporation end. The evaporation end and/or the condensation end are/is in a rectangular shape.

The present disclosure relates to a copper alloy tube for a heat exchanger having excellent breaking strength and a method of manufacturing the same, and more particularly, to a Cu alloy tube having excellent breaking strength and thermal conductivity and suitable for use in a heat exchanger, and a method of manufacturing the same.

A basic structural body for constructing heat dissipation device and a heat dissipation device are disclosed. The heat dissipation device includes a first basic structural body having a wick structure formed on one side surface thereof; and the first basic structural body and the wick structure are structural bodies formed layer by layer. Two pieces of first basic structural bodies can be correspondingly closed together to construct a heat dissipation device internally defining an airtight chamber. In this manner, the heat dissipation device can be designed in a more flexible manner.

Use of a heat transfer tube in a damp environment in air-conditioning equipment and exposed to corrosive action caused by a corrosive medium comprising at least one lower carboxylic acid, the heat transfer tube a copper tube comprising 0.10-1.0% by weight of P and the balance consisting of Cu and inevitable impurities. The corrosive action progresses in the form of an ants' nest from an outer surface of the heat transfer tube in a direction of its wall thickness, wherein. Also, use of a copper tube comprising 0.10-1.0% by weight of P and the balance consisting of Cu and inevitable impurities for improving corrosion-resistance against ant nest corrosion caused by a corrosive medium consisting of a lower carboxylic acid in a damp environment, method of inhibiting ants' nest corrosion in a heat transfer tube, and a method of positioning a tube in an air conditioning apparatus or a refrigeration apparatus.

A pin for a core layer of a heat exchanger, the pin extending from a first pin end to a second pin end and having an outer surface between the first and second pin ends, wherein the pin comprises a plurality of surface features protruding from the outer surface.

A heat exchanger material for use in heat exchangers of cryogenic cooling systems comprises solid material rendered into a final form in an additive manufacturing process. The heat exchanger material has a surface-to-volume ratio of at least 10.sup.5 l/m.

An immersion-type liquid cooling heat dissipation structure is provided. The immersion-type liquid cooling heat dissipation structure includes a metal heat dissipation substrate layer and a metal film layer. The metal film layer is formed on a surface of the metal heat dissipation substrate layer, and is configured to be immersed in an immersion-type coolant. An effective thickness of the metal film layer is less than 500 .Math.m. A surface of the metal film layer has a plurality of micropores that facilitate generation of vapor bubbles. An effective width of each of the plurality of micropores is between 1 .Math.m and 200 .Math.m, and a depth of each of the plurality of micropores is between 100 nm and 50 .Math.m.

A composite material includes a plurality of first layers and a plurality of second layers. The total number of the first and second layers is 5 or more. The first and second layers are stacked alternately in the thickness direction of the composite material, such that the first layer is located at each of the first and second surfaces. The first layers are formed from a metal material containing copper as a main component. The second layer includes a molybdenum plate and a coper filler. The molybdenum plate has first and second faces that are each an end face in the thickness direction, and a plurality of openings extending through the molybdenum plate from the first face to the second face.

A vapor chamber with a support structure is provided. The vapor chamber with the support structure includes a first plate, a second plate spaced apart from the first plate, and multiple support elements fixed between the first and second plates. On an outer surface of any of the first plate or the second plate, laser welding is performed on positions corresponding to the support elements so as to join the support elements to the first and second plates and to form weld ports on the outer surface of any of the plates. The invention solves the problem of fixing the support structure inside the thin vapor chamber, and therefore mass production can be realized.

The disclosure relates to a heat exchange compound module and a manufacturing method for a heat exchange compound module. The heat exchange compound module comprises a metal-ceramic substrate and a heat exchange structure. The metal-ceramic substrate comprises an outer layer of a first metallic material. The heat exchange structure is made of a second metallic material and is connected to the outer layer of the metal-ceramic substrate only by an eutectic bond between the first metallic material and the second metallic material.