A vapor chamber having a housing that includes a first metal sheet and a second metal sheet which face each other and respective outer edges thereof are joined to each other to form a welded portion; a bead portion in a region of at least one of the first metal sheet and the second metal sheet surrounded by the welded portion in a plan view of the vapor chamber, the bead portion comprising melted and solidified metal from the at least one of the first metal sheet and the second metal sheet; a working fluid encapsulated in the housing; and a wick in or on an inner wall surface of the first metal sheet or the second metal sheet.

In one aspect, thermal energy storage systems are described herein. In some embodiments, such a system comprises a container, a heat exchanger disposed within the container, and a phase change material (PCM) disposed within the container. The heat exchanger comprises an inlet pipe, an outlet pipe; and a number n of plates in fluid communication with the inlet pipe and the outlet pipe, wherein n is at least 2. The inlet pipe, outlet pipe, and plates are arranged and connected such that a fluid flowing from the inlet pipe and to the outlet pipe flows through the plates in between the inlet pipe and the outlet pipe. The PCM disposed within the container is also in thermal contact with the plates.

A cooling tower splash bar hanger assembly includes a grid comprised of a plurality of wires, including vertical and horizontal wires, defining a plurality of slots. The plurality of vertical wires includes a first vertical wire and a second vertical wire. The plurality of slots includes a first slot. The first slot defines a first slot width. A first splash bar defines a first bar width and is configured for positioning in the first slot supported by one of the plurality of horizontal wires. A second splash bar defines a second bar width. The second splash bar is supported by the one of the plurality of horizontal wires. The first slot width is greater than the first bar width and the second bar width. The first slot width and the first bar width define a size ratio of approximately two to one or greater than two to one.

A vapor-to-air heat exchanger for an aircraft powerplant that includes: a pressurized vapor source supplying vapor; and a condenser including a condenser inlet in fluid communication with the pressurized vapor source to receive the vapor, a condenser outlet, and at least one pneumatic vessel defining a cavity in fluid communication between the condenser inlet and the condenser outlet. The pneumatic vessel is reversibly inflatable to be configurable between a collapsed vessel configuration and an inflated vessel configuration. A volume of the cavity is greater in the inflated vessel configuration than in the collapsed vessel configuration. The pneumatic vessel is inflatable from the collapsed vessel configuration to the inflated vessel configuration when the cavity is pressurized by the vapor.

A heat dissipation device includes a base plate and a plurality of fins arranged on the base plate. Each fin includes a fin body including a first metal sheet and a second metal sheet coupled to each other, wherein the fin body is curved and includes a first portion and a second portion transverse to the first portion, an evaporation channel defined in the first portion, one or more connecting channels disposed in the first portion and in fluid communication with the evaporation channel, a condensation channel defined in the second portion, and one or more auxiliary channels disposed in the second portion and in fluid communication with the one or more connecting channels and the condensation channel.

A cooling assembly for cooling exhaust gases emitted from a steel-making furnace includes a plate configured to be coupled to the furnace. The plate has a first surface and an opposing second surface. The assembly includes a body having a defined length and a cross-sectional shape having a thickness defined between an outer surface and an inner surface thereof. The body includes a first mounting end and a second mounting end, where the first mounting end is mounted to the first surface at a first angle greater than 0°. The second mounting end is also mounted to the first surface at a second angle greater than 0°, and the second mounting end is spaced from the first mounting end. A conduit is defined between the inner surface and first surface for a cooling fluid to flow therethrough.

This disclosure relates to a method for fabricating a vapor chamber. The method includes positioning a capillary structure on a first cover, forming an accommodation space, a flow channel, and a plurality of posts on a first surface of a second cover, covering the first cover with the second cover, positioning the first cover and the second cover such that the plurality of posts are spaced apart from the capillary structure by a distance, and pressure welding the first cover and the second cover so as to form a chamber between the first cover and second cover and a passage connected to the chamber and to pressure weld the plurality of posts with the capillary structure.

A heat dissipation device includes a first plate having a first plurality of angled grooves arranged in a first direction, and a second plate having a second plurality of angled grooves arranged in the first direction. The second plate is coupled to the first plate, at least portions of the first plurality of angled grooves and the second plurality of angled grooves are connected to each other such that the first plurality of angled grooves and the second plurality of angled grooves define a fluid channel of the heat dissipation device, and the fluid channel includes coolant. The heat dissipation device also includes at least one capillary structure. At least a portion of the fluid channel is covered by the at least one capillary structure.

A liquid cooling head manufacturing method includes the following steps. First, a liquid channel main body is provided. Then, a heat dissipation bottom plate and a heat sink are disposed in different recessed indentations in the liquid channel main body. The heat dissipation bottom plate and the heat sink are welded in the liquid channel main body and a cover plate is sealed on the liquid channel main body.

A thermal module structure includes an aluminum base having a heat pipe receiving groove formed on one side thereof; a heat dissipation unit including a plurality of radiation fin assemblies or heat sinks and being provided with a first heat pipe receiving section; a plurality of heat pipes made of a copper material and respectively having a heat absorption section and a horizontally extended condensation section; and a copper embedding layer provided on surfaces of the heat pipe receiving groove and the first heat pipe receiving section. The aluminum base and the heat dissipation unit are horizontally parallelly arranged. The heat absorption sections are fitted in the heat pipe receiving groove, and the condensation sections are extended through the first heat pipe receiving section. With the copper embedding layer, the aluminum base and the heat dissipation unit can be directly welded to the heat pipes.