Abstract: A heat exchanger comprises a stack of sets of fins and tubes attached to or encompassed by embossed plates comprising a void. In some embodiments, the fins overlap the void having a peripheral margin of the fin attached to the peripheral margin around the void. In some embodiments, the fins comprise through fluid apertures allowing lateral fluid flow. In some embodiments, the plates comprise lateral peripheral protrusions enabling selective sealing of gaps between adjacent stacked plates by unselective application of heat or adhesive to a face of the heat exchanger. In some embodiments, the plates comprise uniformizing protrusions in a fluid inlet and/or outlet zone that reduce the amount of non-uniform fluid mass flow between different channel protrusions of heat exchanging zones of the set. Also disclosed are methods for assembly and selective sealing of the heat exchanger and an apparatus comprising the same.

Abstract: An exemplary thermal management system includes, among other things, a heater loop, a battery loop, a radiator loop, and a power electronics loop operating within a glycol system. A first valve is in fluid communication with one or more of the heater loop, the battery loop, the radiator loop, and the power electronics loop. A second valve is in fluid communication with one or more of the heater loop, the battery loop, the radiator loop, and the power electronics loop. The second valve is fluidly connected to the first valve to provide at least one operational condition where waste heat from power electronics in the power electronics loop is used to heat a battery in the battery loop.

Abstract: A thermal system for providing thermal conditioning to a facility includes a facility air circuit for circulating a facility air throughout the facility and a downhole fluid circuit for circulating a downhole fluid. The facility air circuit is thermally connected to a heat pump for exchanging heat with the facility air. The downhole fluid circuit includes the heat pump for exchanging heat with the downhole fluid, a main loop, including a borehole heat exchanger (BHE) for exchanging heat between the downhole fluid and a geological formation, and an exhaust loop including an exhaust heat exchanger coupled to an exhaust of the facility air circuit, wherein the exhaust loop is configured to circulate at least some of the downhole fluid through the exhaust heat exchanger to exchange heat between the downhole fluid and an exhaust flow of the facility air exhausted from the facility at the exhaust.

Abstract: A heat dissipation device includes a first casing and a second casing coupled to the first casing. The second casing includes a body having an inner surface and an outer surface opposite the inner surface, and a first portion and a second portion, each of the first and second portions having a different cross-sectional area. The heat dissipation device further includes a plurality of columns on the inner surface, and a first wick structure disposed on the inner surface and in the first portion and the second portion.

Abstract: A heat exchanger includes a tank, spaced apart tubular elements, fins and a side cover. The tank receives a first heat exchange fluid therein. The spaced apart tubular elements defining a heat exchanger core are in fluid communication with the tank and enable heat exchange between a first heat exchange fluid flowing there through and a second heat exchange fluid flowing around and across the tubular elements. The fins arranged alternately with respect to the tubular elements promote heat exchange. The side cover adjacent to a lateral face of the heat exchanger core, covers and shields the lateral face and at least a portion of the heat exchanger core disposed between the tubular elements proximal to the lateral face of the heat exchanger core and the corresponding side cover.

Abstract: A thermal energy storage system comprises a heat storage unit having a thermally insulated housing containing a heating core of thermal storage material, such as a plurality of thermal storage bricks. An electric heating element is provided for heating the thermal storage bricks forming the core to a desired temperature. Heat extraction apparatus is provided for extracting thermal energy from the core. The heat extraction apparatus comprises a first air heat exchanger connected to the core to heat air in the first air heat exchanger. An air circulation pipe is connected between the first air heat exchanger and a compartment to be heated, such as an oven. An air circulation fan is mounted in the air circulation pipe between the air heat exchanger and the compartment. A fan controller is operable for controlling operation of the fan to regulate temperature in the compartment.

Abstract: A system for an aircraft engine, has: an aircraft component; and a heat exchanger having: a housing defining a first inlet, a first outlet, a second inlet, and a second outlet; first conduits within the housing, the first conduits fluidly connecting the first inlet to the first outlet; one or more second conduit within the housing, the one or more second conduits fluidly connecting the second inlet to the second outlet, the one or more second conduit in heat exchange relationship with the first conduits; a mixing chamber intersecting two or more of the first conduits, the mixing chamber having a peripheral wall extending around a mixing volume and a central axis; and protrusions extending from the peripheral wall into the mixing volume, the protrusions extending around the central axis and across a direction of the flow through the mixing chamber.

Abstract: Described is a cooler having: a heat exchanger for dissipating heat from a medium, for example oil, a fan having a fan housing, a fan wheel and a motor, a control unit for controlling the motor, a sensor unit for detecting an operating parameter of the heat exchanger and/or of the fan, the sensor unit being connected to the control unit in order to set an operating state of the cooler, the fan housing having a recess in which the control unit is arranged together with the sensor unit.

Abstract: The present invention relates to a system of heat exchange between a building (1) and the Earth's subsurface (5), comprising a closed loop with at least one pipe (9) installed in said subsurface (5) for heat exchange with subsurface (5), and connected by connecting pipes (4, 7) to at least one pipe (6) installed in said building (1) for heat exchange with building (1), the closed loop comprising a circulation pump (P) for circulating a fluid through said closed loop, and the fluid comprising capsules containing phase change materials. The invention also relates to a method for cooling or heating a building (1) from the heat exchange system between a building (1) and the Earth's subsurface (5).

Abstract: A thermal storage system includes a first block comprising (i) a bonded aggregate material, and (ii) between 0.01% and 10%, by weight, of graphite. A fluid transport via is disposed on or adjacent to at least a portion of an external surface of the first block and is in thermal coupling therewith. The fluid transport via presses against the first block with a force of at least 7 Newtons per meter. The graphite is disposed adjacent to at least said portion of said external surface so as to increase an aggregate rate of heat transfer over an entire volume of the first block.

Abstract: A heat transfer apparatus includes an outer shell, an internal core body, and a flexible diaphragm extending from the core body to an interior surface of the outer shell. The shell includes a first inlet that receives a first fluid, a second inlet that receives a second fluid, a first outlet through which the first fluid exits the shell, and a second outlet through which the second fluid exits the shell. The core body forms first interior passageways that fluidly couple the first inlet with the first outlet and second interior passageways that fluidly couple the second inlet with the second outlet. The flexible diaphragm forms a flexible transition between each of the first inlet and the second inlet of the shell and the core body, and forms a seal that prevents the first fluid in the first interior passageways from flowing into the second interior passageways.

Abstract: The invention relates to a device for controlling the temperature of a process gas and a heat exchanger having such a control device. The control device has an outer housing with an inflow and outflow chamber. Cooled process gas can flow into the inflow chamber, while temperature-controlled process gas can flow out of the control device via the outflow chamber. An inner housing, which is fluidically connected to a hot gas line, extends from the inflow chamber through an element that mechanically separates the chambers into the outflow chamber. An axially movable piston, through which flow can take place, is arranged within the inner housing. The inner housing and the piston have openings which allow fluidic connections to the hot gas line, the inflow chamber and the outflow chamber.

Abstract: Methods and valves for providing a continuous flow of cooler fluid in a fluid circuit of a thermal control system between a cooler and automotive transmission such that free flow of cooler fluid between the cooler and transmission exists at vehicle start-up. Fluid flow to and from the cooler is bypassed in case of pressure increases in cooler lines or pressure differentials, for example cause by a blockage in the cooler, such that the cooler fluid flow bypasses the cooler and continues in the fluid circuit through a thermal element of the thermal control system and back to the transmission.

Abstract: An immersion cooling system includes a box body, a condensing structure and a pressure adjusting module. The box body has a first containing space, the first containing space is adapted to contain a heat dissipation medium, and at least one heat generating component is disposed in the first containing space to be immersed in the heat dissipation medium which is in liquid state. The condensing structure is disposed in the first containing space and above the heat dissipation medium which is in liquid state. The pressure adjusting module is adapted to actively drive a fluid in the first containing space to flow into the second containing space, such that a pressure in the first containing space is reduced to be less than an external pressure. In addition, an electronic apparatus having the immersion cooling system and a pressure adjusting module are also provided.

Abstract: The present disclosure provides a multipurpose multi-source heat-storing compressed air energy storage system and a method thereof, including a packed bed heat-storing device, a heat-storing circuit, a heat-releasing circuit, a gas-storing circuit, a photothermal circuit, a heating-supplying circuit and a cooling-supplying circuit, wherein the heat-storing circuit and the heat-releasing circuit are connected to the packed bed heat-storing device, respectively, and the heat-storing heat exchanger of the heat-storing circuit and the heat-releasing heat exchanger of the heat-releasing circuit are connected with the gas-storing circuit, respectively, the photothermal circuit is connected with the heat-storing circuit, the heating-supplying circuit is connected with the heat-releasing circuit and the photothermal circuit, the cooling-supplying circuit is connected to the packed bed heat-storing device and the photothermal circuit, the photothermal circuit heats the heat-storing circuit and the heat-releasing circu

Abstract: An evaporator includes a first metal layer having a first inner surface and a first outer surface, a second metal layer having a second inner surface and a second outer surface, and a porous body provided between the first outer surface and the second outer surface. The porous body includes a first bottomed hole provided in the first inner surface, a second bottomed hole provided in the second inner surface, a first fine pore, wherein the first bottomed hole and the second bottomed hole partially communicate with each other through the first fine pore, a first groove portion provided in the first inner surface and configured to communicate with the first bottomed hole, and a second groove portion provided in the second inner surface and configured to communicate with the second bottomed hole. The first outer surface and the second outer surface serve as an outer surface of the evaporator.

Abstract: A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes a first vapor compression flow path having a first condenser configured to place a working fluid in a heat exchange relationship with a cooling fluid, a second vapor compression flow path having a first evaporator configured to place the working fluid in a heat exchange relationship with a conditioning fluid, and a shared vapor compression flow path having a second condenser configured to place the working fluid in a heat exchange relationship with the cooling fluid and a second evaporator configured to place the working fluid in a heat exchange relationship with the conditioning fluid. The first vapor compression flow path is configured to direct working fluid vapor from the second evaporator to the first condenser and the second vapor compression flow path is configured to direct working fluid liquid from the second evaporator to the first evaporator.

Abstract: An illustrative heat pump system includes: a positive displacement compressor, an expander, and a recuperator. The compressor provides an sCO2 flow with a pressure ?15 MPa at a temperature ?120° C. and a mass flow rate ?4.5 kg/s to deliver between 1 and 10 MWth of power to a thermal load. The recuperator receives an outlet flow from a thermal source such as a geothermal well thermosiphon and directs it as a compressor inlet flow to the compressor and receives a return flow from the thermal load and directs it to the expander while converting at least some residual heat in the return flow into additional heat for the compressor inlet flow. The expander converts at least some pressure of the return flow into power for the compressor, producing an inlet flow to the source with a pressure no higher than 5 MPa at a temperature no higher than 20° C.

Abstract: The application relates to a heat exchanger apparatus comprising: a channel for fluid flow extending between an inlet and an outlet; a porous layer dividing a first portion of the channel from a second portion of the channel, wherein the porous layer comprises a plurality of pores configured to enable fluid to be transferred from the first portion of the channel to the second portion of the channel; a plurality of evaporator structures located within the second portion of the channel wherein the evaporator structures comprise a wicking layer configured to enable evaporation of fluid from the surface of the evaporator structures; an ejector section configured to combine fluid from the first portion of the channel with fluid from the second portion of the channel and provide the combined fluid to the outlet.

Abstract: A vapor chamber in which an enclosed space is formed, and a working fluid is sealed in this space, the enclosed space including: a plurality of condensate flow paths through which a fluid that is the working fluid in a condensing state flows; and vapor flow paths through which a vapor that is the working fluid in a vaporizing state flows, wherein each of projecting parts with which each of the vapor flow paths is provided has a projecting amount varying in an extending direction of the vapor flow paths; a pitch for opening parts that allow the vapor flow paths and the condensate flow paths to communicate varies in the extending direction of the vapor flow paths; or wall parts that separate the flow paths each have a given relationship with a transverse cross section of a given flow path.