Abstract: Systems and methods for radiative cooling and heating are provided. For example, systems for radiative cooling can include a top layer including one or more polymers, where the top layer has high emissivity in at least a portion of the thermal spectrum and an electromagnetic extinction coefficient of approximately zero, absorptivity of approximately zero, and high transmittance in at least a portion of the solar spectrum, and further include a reflective layer including one or more metals, where the reflective layer has high reflectivity in at least a portion of the solar spectrum.

Abstract: A layered diffuser-channel heat exchanger may comprise a plurality of fluid channel layers and a plurality of diffuser fin layers interleaved with the plurality of fluid channel layers. Each fluid channel layer of the plurality of fluid channel layers may have a first surface, a second surface opposite the first surface, and a fluid channel located between the first surface and the second surface.

Abstract: A turbine engine heat exchanger for exchanging heat between a first fluid and a second fluid includes a reference axis, a network of tubular meshes having a plurality of meshes each of which is formed, successively in a reference direction, of at least two curvilinear branches, called anterior branches, of a junction where the two anterior branches meet, and of at least two curvilinear branches, called posterior branches, diverging from the junction, wherein the first and second fluid have a respective general direction of flow, and the general direction of flow of the first fluid is parallel to the general direction of flow of the second fluid. The present disclosure also concerns a turbine engine comprising the heat exchanger and a manufacturing method for manufacturing the heat exchanger.

Abstract: Disclosed is a combined core microchannel heat exchanger comprising a first plurality of microchannel tubes extended between, and in fluid communication with, a first inlet header and a first outlet header arranged in a first fluid circuit, a second plurality of microchannel tubes extended between, and in fluid communication with, a second inlet header and a second outlet header arranged in a second fluid circuit, wherein the first fluid circuit is fluidly isolated from the second fluid circuit and a microchannel tube of the second plurality of microchannel tubes is interleaved adjacent to microchannel tubes of the first plurality of microchannel tubes, and a plurality of fins disposed between the microchannel tube of the second plurality of microchannel tubes and the first plurality of microchannel tubes.

Abstract: A turbine engine heat exchanger for exchanging heat between a first fluid and a second fluid includes a reference axis, a network of tubular meshes having a plurality of meshes each of which is formed, successively in a reference direction, of at least two curvilinear branches, called anterior branches, of a junction where the two anterior branches meet, and of at least two curvilinear branches, called posterior branches, diverging from the junction, wherein the body of the heat exchanger is of cylindrical shape. The present disclosure also concerns a turbine engine comprising the heat exchanger and a manufacturing method for manufacturing the heat exchanger.

Abstract: In a heat exchanger with double-walled tubes, an end junction between inner tube and outer tube comprises an end plate in which there is a seat in which an end portion of the inner tube is housed. The corresponding outer tube is peripherally fixed sealingly around the opening of the seat and a deflector extends the inner wall of the outer tube inside the seat so as to define a toroidal cavity between the deflector and a side wall of the seat. The seat is closed by a bottom which is opposite to the opening of the seat and which has a passage connected sealingly to the end of the inner tube in the seat for the transit of the fluid to be cooled. A radial space is present near the said bottom between the toroidal cavity and internal cavity of the double-walled tube, and the end plate has at least one conduit which emerges inside the toroidal cavity for the inflow or outflow of the cooling fluid.

Abstract: A thermal chamber includes a cavity that is enclosed by sides and one or more ports that expose the cavity within the thermal chamber. Each of the one or more ports is configured to receive a temperature control component having a solid physical structure and configured to transfer thermal energy to and from an electrical device exposed via the cavity. The thermal chamber includes a bottom side open area of the thermal chamber located below the one or more ports. The bottom side open area is configured to allow the temperature control component to contact the electrical device that is exposed via the bottom side open area.

Abstract: The present disclosure is related to a showerhead including a housing, a turbine, and a shutter. The housing defines a fluid inlet and a chamber in fluid communication with the fluid inlet. The chamber includes a plurality of engagement teeth and defines outlets for a first nozzle bank and a second nozzle bank. The turbine is received in the chamber. The shutter is received in the chamber and rotatably coupled to the turbine such that rotation of the turbine causes movement of the shutter. The shutter includes a plurality of shutter teeth positioned around a perimeter of the shutter. Engagement of the shutter teeth and the engagement teeth act to restrict the shutter from rotating while allowing the shutter to move across the chamber in a sliding motion.

Abstract: The disclosure herein concerns a method including receiving at a computer at least one target value of a scent parameter for an environment that is remote from the computer, receiving at the computer a sensed parameter of the environment, and controlling, via the computer, diffusion of a liquid from a source of the liquid in fluid communication with at least one scent diffusion device to achieve the target value of the scent parameter, wherein controlling includes setting or adjusting an operation parameter of the at least one scent diffusion device in response to the sensed parameter.

Abstract: A heat exchange module for an energy storage module, having a module housing for heat-transferring contact with an energy storage module; at least one operating medium channel for an operating fluid for heat transport; and at least one fluid connection for at least one external line for the operating fluid of the operating medium channel. There is formed by the at least one operating medium channel at least one receiving opening with a predetermined cross section in a channelward extension of the operating medium channel, in which a plug with a shape filling the predetermined cross section of the receiving opening is received such that the receiving opening is bonded thereto in a fluid-tight manner. With the heat exchange module, efficient use is made of a structural space, while the heat exchange module at the same time is able to be manufactured at low cost.

Abstract: An integrated thermal management system for vehicles includes: a first cooling line; a second cooling line; a refrigerant line; and a bypass line configured to diverge from the second cooling line, to be connected to a chiller, and to allow a coolant to bypass a second radiator and to circulate between a high-voltage battery and the chiller.

Abstract: This invention generally relates to mechanical-chemical energy storage. In particular, the invention relates to a mechanical-chemical energy storage system that stores energy by simultaneously compressing a gas to a higher enthalpy state and recovering the heat of compression by driving a somewhat reversible chemical reaction. The heat energy in the chemical reaction is then recovered while the gas is expanding to a lower enthalpy state.

Abstract: A heat exchanger includes: first layers each including first flow channels that are microchannels; and second layers each including second flow channels that are microchannels. The first layers and the second layers constitute a lamination. Heat is exchanged by performing either of: liquid evaporation in the first flow channels and gas condensation in the second flow channels, or liquid evaporation in the second flow channels and gas condensation in the first flow channels. The lamination includes: a first liquid transport pore that is in fluid communication with the first flow channels; and a second liquid transport pore that is in fluid communication with the second flow channels.

Abstract: Provided is a vehicle air conditioning device that can save the space for installing constituent apparatuses of a vehicle by using a heater for multiple purposes and reduce the manufacturing cost. Heating assisting operation for heating air to be supplied into a cabin is performed in a manner that a heat medium heated by a heat medium heater 32 in a heat medium circuit 30 flows to a heat medium radiator 16 without flowing on a battery B side while heating operation is performed.

Abstract: A heat pump system for a vehicle is configured for eliminating a chiller which is separately configured, adjusting a temperature of a battery module by use of an evaporator where a coolant and a refrigerant exchange heat, and improving heating performance by use of a sub-centralized energy module together with waste heat of electrical equipment in a heating mode of the vehicle.

Abstract: A heat pump system for a vehicle may include first and second cooling apparatuses; a battery module; and a controller electrically connected to the first and second cooling apparatuses, the battery module, and an air conditioner apparatus to selectively control the first and second cooling apparatuses, the battery module, or the air conditioner apparatus according to a vehicle mode, wherein the heat exchanger provided in the air conditioner apparatus is connected to each of the first and second coolant lines to enable the coolants circulating in the first and second cooling apparatuses to pass through the heat exchanger, and a refrigerant passing through the heat exchanger is selectively condensed or evaporated depending on the vehicle mode through mutual heat exchange with the coolant supplied from any one of the first coolant line and the second coolant line, or the coolants supplied through the first and second coolant lines, respectively.

Abstract: An un-finned heat exchanger (100). The heat exchanger (100) comprises: a heat exchange tube (1), which comprises a body; a fluid channel (11) formed inside the body; and a collecting tube (2) connected to the heat exchange tube (1). Using the heat exchanger can reduce accumulation of dirt on the heat exchanger.

Abstract: A heat exchanger includes a plurality of tube assemblies. Each tube assembly includes an inner tube extending within an outer tube and configured for the flow of a first fluid therein. The inner tube and the outer tube are sized to facilitate capillary action fluid flow of a second fluid in an annular space between an outer surface of the inner tube and an inner surface of the outer tube, facilitating indirect heat exchange of the second fluid, through the inner tube and indirect heat exchange of the second fluid through the outer tube.

Abstract: A compact heat exchanger unit within an air conditioning apparatus for a vehicle, and a condenser region for the condensation of refrigerant is formed as a heat exchanging surface, and a high-pressure-refrigerant collector region as a refrigerant collector is formed in the integrated form as a plate packet of a heat exchanger within a plate heat exchanger.

Abstract: Provided is a vehicle air-conditioning system configured so that air-cooling/heating can be efficiently performed. The system (10, 20, 30, 40) includes a vapor compression heat pump unit (HP) having at least a compressor (CP), a condenser (CD), an expansion mechanism (EX), and an evaporator (EV) on a refrigerant circuit (RC), a brine flow path network (BC) having multiple pumps (PC, PH) and multiple flow path switching valves (TV1 to TV8, V1 to V9), and a vehicle indoor air-conditioning unit (AC) having an air duct (AD) and multiple vehicle indoor heat exchangers (HXC1, HXC2) arranged in series in the air duct. Upon actuation in an air-cooling mode or an air-heating mode accompanied by neither dehumidification nor defrosting, brine flows in series in the multiple vehicle indoor heat exchangers.