Liquid submersion cooling devices and systems are described that use a cooling liquid, for example a dielectric cooling liquid, to submersion cool individual electronic devices or an array of electronic devices. In one embodiment, the electronic device includes a non-pressurized device housing defining an interior space where pressure in the interior space equals or is only slightly different than pressure outside the non-pressurized device housing.

A two-phase immersion cooling device includes an upper box body, a lower box body, a plurality of heating elements, and a condenser. The walls of the upper box body form a first cavity. The lower box body defines a second cavity containing coolant. The heating elements are disposed in the second cavity and immersing in the coolant. The condenser in the upper box body includes multiple rows and columns of condensing tubes, is arranged across or along the upper box body to fill the first cavity. The lower box body is detachably and hermetically connected to the bottom of the upper box body, connecting the second cavity with the first cavity to form an accommodating cavity.

A novel heat exchanger and method of heat exchange with a tank for housing a heat transfer fluid, a heater for heating the heat transfer fluid, and a coil around the heater for receiving and delivering a process fluid to be heated are provided.

Vessel assemblies, heat transfer units for prefabricated vessels, and methods for heat transfer prefabricated vessel are provided. A heat transfer unit includes a central rod, and a plurality of peripheral rods surrounding the central rod and connected to the central rod. The plurality of peripheral rods are movable between a first collapsed position and a second bowed position, wherein in the second bowed position a midpoint of each of the plurality of peripheral rods is spaced from the central rod relative to in the first position. The heat transfer unit further includes a heat transfer element connected to one of the plurality of peripheral rods.

A guide vane for a dual flow aircraft turbine engine includes an aerodynamic part. The aerodynamic part includes an inner duct for lubricant cooling extending in a main direction and being partly bounded by a pressure side wall and a suction side wall of the vane. The aerodynamic part is embodied as a single piece, and includes heat transfer fins arranged in the duct expanding substantially parallel to a direction of the duct. The fins are spaced from each other depending on the direction of the duct and a transversal direction of the vane, so that at least some of the fins are arranged substantially staggered.

An assembly comprises a wet compartment (100) having at least one inlet opening for allowing water to enter the wet compartment (100), a functional unit (2) located in the wet compartment (100), a dry area (200) which cannot be reached by water and which is outside of the wet compartment (100), a barrier (110) situated between the dry area (200) and the wet compartment (100), and at least one energy source (20) which is arranged and configured to emit energy for preventing biofouling of at least an exterior surface (17) of the functional unit (2), wherein the energy source (20) is arranged in the dry area (200), a path (112) being present between the dry area (200) and the wet compartment (100) for allowing energy emitted by the energy source (20) during operation thereof to reach the wet compartment (100), through the barrier (110).

An immersion cooling tank includes a tank body and a liquid flow tube. The tank body holds a coolant and an electronic device. The tank body defines an inlet and an outlet. The inlet and the outlet are respectively located at opposite ends of the electronic device for inputting and outputting the coolant. The coolant flows through the electronic device. The liquid flow tube includes at least one adjuster. The liquid flow tube is located inside the tank body and coupled to at least one of the inlet or the outlet. The at least one adjuster faces the electronic device for controlling an amount of the coolant flowing in or out of the tank body.

A heat sink for use in an immersion cooling system that includes a sintered powder structure enclosed in a porous enclosure. The porous enclosure has openings, e.g., formed by a mesh, with a size to help contain sintered powder particles that may be dislodged during operation of the heat sink.

An immersion cooling tank includes a tank body and a liquid flow tube. The tank body holds a coolant and an electronic device. The tank body defines an inlet and an outlet. The inlet and the outlet are respectively located at opposite ends of the electronic device for inputting and outputting the coolant. The coolant flows through the electronic device. The liquid flow tube includes at least one adjuster. The liquid flow tube is located inside the tank body and coupled to at least one of the inlet or the outlet. The at least one adjuster faces the electronic device for controlling an amount of the coolant flowing in or out of the tank body.

A booster unit and method increase the performance of an air source heat pump system at low ambient air temperatures, the air source heat pump system including a conduit system for forwarding a refrigerant through an external circuit exposed to ambient air. A tubular system is immersed in a liquid heat exchange medium, such as water or antifreeze, within a booster chamber having chamber walls exposure to ambient air. An internal circuit of the tubular system receives refrigerant from the conduit system for advancement through the tubular system and delivery back to the conduit system so that heat passing from ambient air through the chamber walls and into the liquid heat exchange medium in the booster chamber is transferred from the liquid heat exchange medium to the refrigerant in the tubular system, to increase the temperature of the refrigerant being delivered from the tubular system and forwarded to the external circuit, thereby reducing or eliminating frosting at the external circuit.