A heat exchanger for heat exchange between a first fluid and a second fluid is provided with: a body part which is an additive manufactured body and includes a first passage through which the first fluid flows and a second passage through which the second fluid flows; and a covering part attached to the body part. The body part has a first opening portion of the first passage and a second opening portion of the second passage, and the covering part is attached to the body part so as to cover exposure of the first opening portion and the second opening portion.

A cooling arrangement for an electric machine (2) and at least one further component (4, 5) of an electric power unit: The cooling arrangement comprises an oil circuit (16), an oil pump (46) circulating oil to the electric machine (2), a first coolant circuit (6) configured to cool the further component (5) of the electric power unit, and coolant radiator arrangement (8a, 8b) in which the coolant in the first coolant circuit (6) is cooled by air, The oil circuit (16) comprises an oil radiator (46), an oil radiator fan (47) configured to provide an adjustable air flow through the oil radiator (46) and a heat exchanger (15) in which heat is transferred between the coolant in the first coolant circuit (6) and the oil in the oil circuit (16).

A heat exchanger according to one embodiment includes: a heat exchange core; a shell provided to surround the heat exchange core; and a first partition wall that is provided in a space surrounded by an outer surface of the heat exchange core and an inner surface of the shell, and partitions the space into a first header space communicating with the heat exchange core and a second header space communicating with the heat exchange core. The first header space and the second header space are adjacent to each other, separated by the first partition wall.

A dual fluid heat exchange system is presented that provides a stable output temperature for a heated fluid while minimizing the output temperature of a cooled fluid. The heated and cooled fluids are brought into thermal contact with each other within a tank. The output temperature of the warmed fluid is maintained at a stable temperature by a re-circulation loop that connects directly to the mid portion of the tank such that the re-circulated fluid flow primarily warms only a re-circulation section of the tank. The other, lower flow rate, section of the tank may be positioned so that it has a cooler temperature and thus serves to increase the efficiency of the heat exchange by extracting extra heat energy out of the cooled fluid before it leaves the tank. Alternatively, the low flow rate section of the tank may be warmer than the re-circulated section, and thus allow the re-circulated section to be cooler than the output temperature of the warmed fluid.

A shell and plate heat exchanger includes a shell forming an internal space, and a plate stack housed in the internal space. A plurality of refrigerant channels communicate with the internal space, and a plurality of heating medium channels are blocked from the internal space. Each of the refrigerant channels is adjacent to an associated one of the heating medium channels with heat transfer plate interposed between. Each of the heat transfer plates includes a first communication hole that communicates with the heating medium channels to introduce the heating medium, a second communication hole formed below the first communication hole that communicates with the heating medium channels to emit the heating medium, and a guide crossing between the first and second communication holes to guide the heating medium that has flowed into the heating medium channels from the first communication hole toward side portions of the heat transfer plate.

The present invention relates to an evaporator of a working fluid for an OTEC plant, comprising an elongated evaporator body extending along a main axis, a bundle of evaporators transporting hot water and extending along the main axis, and a sprinkling system extending above the bundle of evaporators and suitable for sprinkling the working fluid in the liquid state onto the bundle of evaporators in order to evaporate this working fluid.

The evaporator body defines a bottom and an exhaust space for the gaseous working fluid between the bottom and the bundle of evaporators. The evaporator further comprises a damper system arranged in the exhaust space and configured to damp the drop of working fluid droplets in a non-evaporated liquid state after passing through the bundle of evaporators.

The present invention relates to an evaporator of a working fluid for an OTEC plant, comprising an elongated evaporator body extending along a main axis, a bundle of evaporators transporting hot water, a sprinkling system arranged in an upper part of the evaporator body, a system for evacuating the fluid in gaseous state and a guide system for the fluid in gaseous state towards the evacuation system. The guide system comprises an elongated cover extending along the main axis, covering the bundle of evaporators and the sprinkling system, and two partitioning means which are arranged at each end of the evaporator body and form on each of these ends a sealed connection between the outer surface of the cover and the inner surface of the evaporator body.

A transition component for connecting components of a chemical or process engineering plant, wherein the transition component has a first material piece made from a first material and second material piece made from a second material, wherein the first material and the second material cannot be connected to each other by fusion welding, the first material piece and the second material piece forming a hollow body, the transition component having a radially interior inner side and a radially exterior outer side, the first material piece being connected to the second material piece by at least one intermediate material layer and the transition component having at least one insulation layer, wherein the insulation layer extends at least in part over the inner side and/or the outer side of the transition component, and a core-in-shell heat exchanger and a cold box having the transition component.

A plate heat exchanger arrangement, which includes at least a first plate pack and a second plate pack arranged adjacent to each other inside the outer casing, and the first plate pack has a diameter, defined by the outer edges of the heat exchange plates, which is greater than a diameter of the second plate pack.

This specification relates to operating industrial facilities, for example, crude oil refining facilities or other industrial facilities that include operating plants that process natural gas or recover natural gas liquids.