376results about "Heat exhanger conduits" patented technology

A heat sink comprising a heat exchange device having a large-scale morphology over a scale range and a small-scale texture over a scale range, wherein at least one of the large-scale morphology and the small scale texture has a fractal-like self-similarity over a scale range. The large-scale morphology and small-scale texture may be defined and implemented independently, or be provided with a transitional range. The large-scale morphology may be algorithmically optimized according to a set of geometrically constraints. The small-scale texture may be optimized according to aerodynamic parameters and constraints. The heat sink may be dynamically varying, and / or operated in conjunction with a dynamically varying heat transfer medium supply.

A heat exchanger includes a heat exchanger body having a plurality of heat exchanger tubes, an inlet manifold connected to the heat exchanger body and configured to distribute a flow of fluid from a fluid inlet of the inlet manifold to the plurality of heat exchanger tubes, and an outlet manifold connected to the heat exchanger body and configured to collect the flow of fluid from the plurality of heat exchanger tubes and direct the flow of fluid through a fluid outlet. The heat exchanger body is formed via one or more additive manufacturing processes, and at least one of the inlet manifold and the outlet manifold is formed via one or more subtractive manufacturing processes.

A device, and method of operating the device, are disclosed. The device includes: a heat spreader having a first side and a second side opposite the first side, the heat spreader including at least one oscillating heat pipe arranged between the first side and the second side, at least one of the at least one oscillating heat pipe including a plurality of interconnected channels including a working fluid; at least one optoelectronic component coupled to the first side of the heat spreader; and at least one thermoelectric cooler, wherein a cold side of the at least one thermoelectric cooler is coupled to the second side of the heat spreader. The heat spreader may include one or more heat exchange features.

In accordance with at least one aspect of this disclosure, a transition structure for a heat exchanger can include a body defining a dome cavity. The dome cavity can be configured to transition flow between at least one first channel and a plurality of second channels having a different number than the at least one first channel.

An air / oil heat exchanger arranged in a vein. The exchanger includes internal parietal corridors and / or external parietal corridors and central corridors, the radial height of the internal and / or external parietal corridors increasing from the inlet of the exchanger to its outlet.

Methods and apparatuses for utilizing triply periodic minimal surface structures for additive manufacturing of a thermal management system are disclosed, wherein the thermal management system comprises: a solid structure; a triply periodic minimal surface structure within the solid structure, wherein the triply periodic minimal surface structure comprises a first fluid channel and a second fluid channel; a first inlet coupled to the solid structure and configured to pass a first fluid into the first fluid channel; a second inlet coupled to the solid structure and configured to pass a second fluid into the second fluid channel; a first outlet coupled to the solid structure and configured to pass the first fluid out of the first fluid channel; and a second outlet coupled to the solid structure and configured to pass the second fluid out of the second fluid channel. Other embodiments are described and claimed.

A chamber, e.g. in a heat exchanger or flowing electrolytic half-cell, for through flow of a fluid which is capable of elastic turbulence has an internal structure with obstructions to compel flow to undergo successive changes of direction thereby applying stress to the flow of fluid through the chamber. The internal structure comprises an upstream portion in which the applied stress induces elastic turbulence to begin and a downstream portion which applies less stress per unit length and sustains the elastic turbulence while providing economy of pressure to propel the fluid. Configuration of the upstream portion may be planned with computer modeling so as to avoid formation of stagnant zones.

A heat exchanger includes a first header including a fluid inlet and a second header positioned downstream of the first header with respect to a first flow path of a first fluid and including a fluid outlet. The heat exchanger further includes a core extending from the first header to the second header and a mount structure extending between the first header and the second header. The core includes a plurality of core tubes. The mount structure is integrally formed with a subset group of diverted tubes of the plurality of core tubes and includes one or more internal flow passages that are connected to the subset group of diverted tubes such that the one or more internal flow passages are in flow communication with the first header and the second header in parallel to a non-diverted portion of the core.

A heat exchanger is provided that can include furcating unit cells coupled with each other. Each of the unit cells can be elongated along an axis and include a sidewall that defines annular ring openings on opposite ends of the unit cell along the axis. The sidewall also can define undulating annular rings between the annular ring openings and axially separated from each other along the axis. The sidewall can further define angled openings into the unit cell both above and below each of the undulating annular rings. At least a first opening of the annular ring openings and the angled openings can be configured to be an inlet to receive a first fluid into the unit cell and at least a second opening of the annular ring openings and the angled openings configured to be an outlet through which the first fluid exits the unit cell.

An inner pipe (2) is designed for a heat-transferring double pipe that exchanges heat between a fluid that flows through the interior of the inner pipe and a fluid that flows between the inner pipe and an outer pipe (10) that surrounds the inner pipe. The inner pipe has a first region (21) and a second region (22), which have transverse cross-sectional shapes that differ. The first region has a plurality of first protruding parts (211) that protrude outward and form a first recess-protrusion shape in which locations of the first protruding parts are offset helically in a longitudinal direction. The second region has a plurality of second protruding parts (221) that protrude outward and form a second recess-protrusion shape, in which locations of the second protruding parts are offset helically in the longitudinal direction. The number of second protruding parts is greater than the number of first protruding parts.

Disclosed are heat pipes of the type having a condenser section in which gaseous refrigerant is condensed to produce liquid refrigerant comprising:(a) at least one closed pipe comprising:(i) a condenser section,(ii) a first evaporator section in fluid communication with said condenser section; and(iii) at least a second evaporator section in fluid communication with said condenser section;(b) refrigerant contained in said heat pipe;(c) at least a first liquid flow path leading a first portion of liquid refrigerant condensed in said condenser section to said first evaporator section; and(d) at least a second liquid flow path leading a second portion of liquid refrigerant condensed in said condenser section to said second evaporator section, wherein said second evaporator section comprises a reservoir holding liquid refrigerant at a location different than said first evaporator section.

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 chamber, e.g. in a heat exchanger or flowing electrolytic half-cell, for through flow of a fluid which is capable of elastic turbulence has an internal structure with obstructions to compel flow to undergo successive changes of direction thereby applying stress to the flow of fluid through the chamber. The internal structure comprises an upstream portion in which the applied stress induces elastic turbulence to begin and a downstream portion which applies less stress per unit length and sustains the elastic turbulence while providing economy of pressure to propel the fluid. Configuration of the upstream portion may be planned with computer modeling so as to avoid formation of stagnant zones.

A heat exchanger includes a core capable of exchanging heat between a plurality of fluids. The core includes a core outer peripheral wall forming an outer surface and one unit structure or a plurality of unit structures arranged inside the outer peripheral wall. The unit structure includes a plurality of flow paths formed to extend in a predetermined direction as a whole, and a partition wall separating the plurality of flow paths from each other. The plurality of flow paths include a first flow path(s) in which a first fluid flows, and a second flow path(s) in which a second fluid flows to exchange heat to / from the first fluid through the partition wall. The partition wall includes a division wall part(s). The division wall part(s) has / have a twisted shape that rotates about a rotation center axis extending in the predetermined direction in accordance with a position in the predetermined direction, and is / are formed to extend in a spiral shape from the rotation center axis in a cross section perpendicular to the predetermined direction.

An air / oil heat exchanger arranged in a vein. The exchanger includes parietal corridors and central passages, the radial height of the parietal corridors is less than the radial height of the central corridors at the inlet of the exchanger.

The present invention relates to a heat exchanger (100) that includes a first heat exchanger core (1) and a second heat exchanger core (2) arranged side by side. The first heat exchanger core (1) includes a first main segment (10, 10A, 10B), a first connection segment (19, 19A, 19B) connected with the first main segment (10, 10A, 10B), and a first header (13). The first main segment (10, 10A, 10B) includes a plurality of first heat exchange tubes (11, 11A, 11B) arranged in a second direction (2) perpendicular to a first direction (D1). The second heat exchanger core (2) includes a second main segment (20), a second connection segment (29) connected with the second main segment (20), and a second header (23). The second main segment (20) includes a plurality of second heat exchange tubes (21) arranged in the second direction (D2). The first main segment (10, 10A, 10B) includes a first wind resistance region (17, 17A, 17B) and a second wind resistance region (18, 18A, 18B) arranged in a third direction (D3) perpendicular to the first direction (D1) and the second direction (D2), the second wind resistance region (18, 18A, 18B) being adjacent to the first header (13), and a wind resistance of the second wind resistance region (18, 18A, 18B) is smaller than that of the first wind resistance region (17, 17A, 17B), thereby improving the performance of the heat exchanger (100).

Processes for monitoring downhole corrosion and directing operational plans using same. In some embodiments, the process can include acquiring a plurality of corrosion factors for at least one well. The process can also include acquiring a plurality of corrosion loss logs for the at least one well. The plurality of corrosion factors and the plurality of corrosion loss logs can be provided to a repository. The repository can be provided to a machine learning model to generate a corrosion prediction. At least the plurality of corrosion factors, the plurality of corrosion loss logs, and the corrosion prediction can be combined into a user dashboard. The user dashboard can be used to determine an operational plan for the at least one well. The determined operational plan for the at least one well can be carried out.

The subject matter of this specification can be embodied in, among other things, a heat exchanger apparatus that includes a first fluid conduit defining a first fluid flow path for a first fluid and comprising a fluid diode that is at least partly fluidically diodic and formed of a thermally conductive material, the fluid diode having a first fluid inlet, a first fluid outlet, a first sub-conduit extending from the fluid inlet to the fluid outlet, and a second sub-conduit extending from the first sub-conduit proximal the fluid inlet to the first sub-conduit proximal the fluid outlet as a partial loop defining a cavity extending through the partial loop, and a second fluid conduit in thermal communication with the first fluid conduit and defining a second fluid flow path through the partial loop, fluidically isolated from the first fluid flow path, for a second fluid.

A cryogenic cooling system comprises a vacuum chamber containing a target assembly and a heat exchanger assembly comprising heat exchangers 200 thermally coupled to the target assembly. A helium refri

A vapor chamber includes a housing, a capillary structure, and a working fluid. Both the capillary structure and the working fluid are located in the housing. An area of a surface of the capillary structure in contact with an inner surface of the housing is less than an area of the inner surface. The housing has a cavity. The working fluid in a liquid state is located in the capillary structure. The working fluid in a gaseous state is located in the cavity. The housing includes a first region and a second region. The capillary structure includes a first part located in the first region and a second part located in the second region. The second part includes a trunk structure and a branch structure.

A helical fractal heat exchanger (10) comprises a heat exchanger core (12) defining a plurality of helical, first fluid conduits (32) arranged in a two-dimensional grid configuration, and plurality of helical, second fluid conduits (38) in thermal communication with the first fluid conduits (32). A first fluid inlet structure (14) splits a first fluid from a first fluid inlet (16) of the heat exchanger (10) and supplies it to each of the plurality of first fluid conduits (32), and a first fluid outlet structure (18) recombines the first fluid from the plurality of first fluid conduits (32) and conveys it to a first fluid outlet (20) of the heat exchanger (10). The first fluid inlet and outlet structures (14, 18) are each fractal structures comprising at least two multi-furcation stages (42, 48, 56, 58) in which a parent channel (44, 50) divides into two or more sub-channels (46, 52) that diverge away from each other.

A heat exchanger (100) for a heating, ventilation, and / or air conditioning (HVAC) system (30) includes a header (106) having a longitudinal axis (160), a first plurality (114) of microchannel tubes (102) coupled to the header (106), where each microchannel tube (102) of the first plurality (114) of microchannel tubes (102) has a first width (150), and a second plurality (116) of microchannel tubes (102) coupled to the header (106), where each microchannel tube (102) of the second plurality (116) of microchannel tubes (102) has a second width (152) greater than the first width (150).

The present disclosure provides a heat exchanger (100) for a heating, ventilation, and / or air conditioning (HVAC) system (30), the heat exchanger comprising: a header (106) having a longitudinal axis (160); a first plurality (114) of microchannel tubes (102) coupled to the header (106), wherein each microchannel tube (102) of the first plurality (114) of microchannel tubes (102) has a first width (150); and a second plurality (116) of microchannel tubes (102) coupled to the header (106), wherein each microchannel tube (102) of the second plurality (116) of microchannel tubes (102) has a second width (152) that is greater than the first width (150).

A heat exchange plate, a battery pack and a vehicle. The heat exchange plate comprises a first interface, a second interface, and a flow channel in communication with the first interface and the second interface. The heat exchange plate is configured to exchange heat for a battery, and the flow channel is configured to circle a working medium. When the heat exchange plate is used to cool the battery, the working medium flows into the flow channel from the first interface, and flows out from the second interface. When the heat exchange plate is used to heat the battery, the working medium flows into the flow channel from the second interface, and flows out from the first interface.

A heat exchanger includes a first manifold having an inlet opening and a second manifold having an outlet opening. A group of conduits fluidly connect the first manifold and the second manifold to one another such that a flow path is established for liquid to flow from the inlet opening to the outlet opening. The flow path includes a select portion that extends through all conduits within the group of conduits. Valves are located in the first manifold and the second manifold. The valves are operable to change the select portion of the flow path from between a first state, wherein the conduits within group of conduits are fluidly connected in parallel with one another, and a second state, wherein the conduits within the group of conduits are fluidly connected in series with one another.

Heat exchanger (50) between a first fluid (60) and a second fluid (62), in particular a turbomachine heat exchanger (50), the heat exchanger (50) comprising: a reference axis (60); a network of tubular meshes (100) comprising a multitude of meshes, each of the meshes being formed, successively along a reference direction (58), of at least two curvilinear branches, called anterior, of a junction where the two anterior branches meet, and of at least two curvilinear branches, called posterior, separating from the junction; remarkable in that the meshes are stacked in a staggered pattern, the invention also relates to a turbojet engine comprising the corresponding heat exchanger and associated manufacturing method.

A heat exchanger package comprises flow plates (1, 1') which incorporate a working fluid flow area, and inlet openings (A, B) and outlet (A', B') openings for the working fluids. The working fluid flow area is connected to the inlet openings (A, B) and outlet openings (A', B') for a given working fluid, and the flow plates (1, 1') are arranged alternately with respect to each because of the working fluid flowing through them. The inlet openings (A, B) comprise a main inlet opening (1A, 1B) connected to intermediate inlet openings (2A, 2B), and, respectively, the outlet openings (A', B') comprise a main outlet opening (1A', 1B') connected to intermediate outlet openings (2A', 2B'), where the area of the working fluid flow incorporates channels (4, 4') connecting the intermediate inlet openings (2A, 2B) to the intermediate outlet openings (2A', 2B').

A heat exchange tube (60, 90, 110) for use in a heat exchanger including: a first nose (40) and a second nose (42) aligned on an axis along a width (A) of the heat exchange tube (60, 90, 110); an end port (62) immediately adjacent to the first nose (40); wherein the end port (62) has a non-circular, polygonal shape.

An air / oil heat exchanger arranged in a vein. The exchanger includes parietal corridors and central corridors, the radial height of the parietal corridors increasing from the inlet of the exchanger to its outlet.

The present disclosure provides a vehicle heat exchanger. The heat exchanger includes a housing. The housing defines a refrigerant inlet, a refrigerant outlet opposite the refrigerant inlet, at least one coolant inlet, and at least one coolant outlet. The spiral twenty-four-face structure is arranged in the shell. The spiral twenty-four-face structure defines a set of refrigerant channels, and the set of refrigerant channels guide refrigerant to pass through the spiral twenty-four-face structure. A first set of coolant channels that direct coolant through a first region of the helical twenty-four-surface structure; and a second set of coolant channels that direct coolant fluid through a second region of the helical twenty-four-sided structure. A valve is disposed within the refrigerant inlet. The valve is configured to direct refrigerant fluid to at least one of the first region and the second region of the helical twenty-four-sided structure.