A heat exchanger is provided including a first manifold, a second manifold separated from the first manifold, and a plurality of heat exchanger tubes arranged in spaced parallel relationship fluidly coupling the first and second manifolds. A first end of each heat exchange tube extends partially into an inner volume of the first manifold and has an inlet formed therein. A distributor is positioned within the inner volume of the first manifold. At least a portion of the distributor is arranged within the inlet formed in the first end of one or more of the plurality of heat exchange

A heat exchanger comprises a first header, a second header, a plurality of tubes, and a flow reducer. The first header is connected to a hot fluid inlet and to a cold fluid outlet, so that the first header comprises a hot region and a cold region, separated by a wall. Each of the plurality of tubes provides fluid communication between the first and second headers, including one tube located next to the wall in the hot region of the first header, being called “hot end tube” , and one tube located next to the wall in the cold region of the first header, being called “cold end tube” . The flow reducer reduces the fluid flow in the hot end tube compared to the fluid flow in other tubes located in the hot region.

A system for recycling exhaust heat from an internal combustion engine is based on a recycling type of circulating a working fluid using the exhaust heat from the internal combustion engine. The system may include an EGR line configured to circulate a portion of exhaust gas generated from the internal combustion engine to an intake side, a working fluid circulation line configured to rotate a turbine with a working fluid vaporized by heat transferred from the EGR line, and an EGR side heat exchange unit configured to thermally connect the EGR line to the working fluid circulation line to cool an EGR gas by transferring heat from the EGR gas to the working fluid.

A refrigerant evaporator includes a plurality of vertically disposed flat tubes, and a refrigerant distribution and supply section that causes inflowing refrigerant to flow out to the plurality of flat tubes on a downstream side. The refrigerant distribution and supply section includes a refrigerant supply section having plural supply spaces, a refrigerant introduction and distribution section having an introduction space to introduce the inflowing refrigerant from a lower end side surface, and a distribution space to distribute the refrigerant, and plural connecting passages that guide the refrigerant to the supply spaces. A first flat tube communicating with a lowermost-tier supply space positioned on the lowermost side is disposed at a height position included in a height range of the introduction space, and a lowermost-tier connecting passage that guides the refrigerant to the lowermost-tier supply space is disposed at a position higher than the introduction space.

A heat exchanger having multiple segments is described. The heat exchanger includes a pair of manifolds, having tubes extending therein. Further, a first blocking element is provided in a manifold to divide the tubes into a first set of tubes and a second set of tubes having a fluid communication with each other. Further, a second blocking element is provided in the manifold, corresponding to the second set of tubes, to further divide the second set of tubes into a first segment of tubes and a second segment of tubes. Further, an inlet is provided on the manifold to introduce the heat exchange fluid to the first set of tubes. Further, a plurality of outlets provided on the manifold to receive the heat exchange fluid from the second set of tubes.

In cooling/heating cycles of a heat exchanger, to prevent cracks that tend to occur in a brazed portion between an end portion of a horizontal cross-section of a tube and a header plate. An end portion cover body is provided for an end portion of a tank main body or a header to cover hereby an end portion in a longer side direction of an opening end portion of a flat tube.

A heat exchanger including multiple fins, multiple heat transfer pipes having an oval shape or a flat shape and joined to the fins, and a header connected, on one end side, to an end portion of an inlet pipe through which working fluid flows in upon evaporation operation and connected, on the other end side, to an end portion of each of the heat transfer pipes, wherein the header includes a longitudinal partition plate arranged to extend in a longitudinal direction and configured to divide an internal space of the header into an inlet-pipe-side space connected to the end portion of the inlet pipe and a heat-transfer-pipe-side space connected to the end portion of each of the heat transfer pipes, and an opening is formed at a position not overlapping with the inlet pipe at the longitudinal partition plate.

A heat exchanger that heats or cools water with a fluid includes: a heat transfer portion that includes fluid flow paths through which a fluid flows, and water flow paths through which water flows and that are adjacent to the fluid flow paths; an upstream portion that forms an upstream space on an upstream side of the water flow paths; and a distributor disposed in the upstream space and that distributes water that flows into the upstream space from a water entering port to the water flow paths.

Described are methods, systems, and apparatus relating to a modular data center. In some embodiments, a modular data center includes one or more data modules. The modular data center includes a network module connected to the one or more data modules, the network module containing equipment for facilitating data communications by the one or more data modules. The modular data center includes a power module connected to the one or more data modules and the network module, the power module containing electronics equipment for conditioning and distributing power to the one or more data modules and the network module. In the modular data center, each module of the one or more data modules, the network module, and the power module comprises: an enclosure defining an internal space; a floor within the enclosure separating the internal space into an above-floor space and a sub-floor space; and a plurality of bays in the subfloor space, each bay of the plurality of bays configured to contain a field-replaceable environmental management component.

A heat exchanger has an intake header, a discharge header, a bundle of tubes extending in parallel between the intake header and the discharge header, an intake pipe connected to the intake header and extending transversely to the axes of the tubes of the bundle, the intake pipe having a first end opening into the header and a second end connectable to a process fluid supply pipe, and a baffle assembly for modifying the direction and rate of flow of the process fluid through the intake header, the baffle assembly being located within the intake pipe and secured to the intake pipe at a position adjacent the second end of the intake pipe. The baffle assembly comprises a plurality of slats lying in planes generally parallel to one another and inclined to the direction of fluid flow, and runners connected to the ends thereof to form a rigid structure.