A vertical bundle air-cooled heat exchanger, a finned tube assembly for an air cooled condenser and method for forming the same, and a system for removing thermal energy generated by radioactive materials. In one aspect, an air cooled condenser sized for industrial and commercial application includes an inlet steam distribution header for conveying steam, a condensate outlet header for conveying condensate, an array of tube bundles each having a plurality of finned tube assemblies having a bare steel tube with an exposed outer surface and a set of aluminum fins brazed directly onto the tube by a brazing filler metal. The steel tubes may be spaced apart by the aluminum fins and have an inlet end fluidly coupled to the inlet steam distribution header and an outlet end fluidly coupled to the outlet header. A forced draft fan may be arranged to blow air through the tube bundles.

A method for fabricating an article from an aluminum alloy is provided. The method includes providing an aluminum alloy containing at least 0.04 wt % Sc, at least 0.5 wt % Mn, at least 0.5 wt % Zr, at least 0.05 wt % Mg, and at least 90 wt % Al; casting the alloy into a sheet; subjecting the cast alloy to a thermal cycle which includes raising the temperature of the alloy along a first temperature gradient, holding the temperature of the alloy at a temperature T for a period of time t, and reducing the temperature of the alloy along a second temperature gradient; and utilizing the sheet in a brazing operation.

A method for fabricating an article from an aluminum alloy is provided. The method includes providing an aluminum alloy containing at least 0.04 wt % Sc, at least 0.5 wt % Mn, at least 0.5 wt % Zr, at least 0.05 wt % Mg, and at least 90 wt % Al; casting the alloy into a sheet; subjecting the cast alloy to a thermal cycle which includes raising the temperature of the alloy along a first temperature gradient, holding the temperature of the alloy at a temperature T for a period of time t, and reducing the temperature of the alloy along a second temperature gradient; and utilizing the sheet in a brazing operation.

In a heat exchanger, each of a plurality of heat exchange members includes: a flat pipe; and a heat transfer plate integrated with the flat pipe along a longitudinal direction of the flat pipe. A width direction of each of the flat pipes intersects with a direction in which the plurality of heat exchange members are arranged side by side. Each of the heat transfer plates includes an extending portion extending outward in the width direction of each of the flat pipes from at least one of one end of a corresponding one of the flat pipes in the width direction and another end of the corresponding one of the flat pipes in the width direction. Each of the flat pipes has one or more flat pipe bent portions, each forming a groove extending along the longitudinal direction of the flat pipes.

Exemplary embodiments are directed to swimming pool heat exchangers including a housing and one or more tube assemblies disposed within the housing. Each of the tube assemblies includes an elongated titanium tube and at least one fin welded to an outer surface of the elongated titanium tube. The elongated titanium tube and the at least one welded fin allow for corrosion resistance to swimming pool water while simultaneously allowing for improved heat transfer from the heat exchanger to the swimming pool water.

Exemplary embodiments are directed to swimming pool heat exchangers including a housing and one or more tube assemblies disposed within the housing. Each of the tube assemblies includes an elongated titanium tube and at least one fin welded to an outer surface of the elongated titanium tube. The elongated titanium tube and the at least one welded fin allow for corrosion resistance to swimming pool water while simultaneously allowing for improved heat transfer from the heat exchanger to the swimming pool water.

A heat exchanger includes a first header, a second header and a plurality of heat transfer components, wherein the heat transfer components each includes a heat transfer tube extending from the first header to the second header and allowing refrigerant to flow in its inside, and an extension portion being provided in each of the heat transfer tubes and configured to promote heat transfer property of the heat transfer tubes, and wherein the extension portion includes a base portion extending from the heat transfer tube in a second direction in which air that flows between the plurality of heat transfer tubes flows, and a spacer portion extending from the base portion in the first direction and abutting the adjacent heat transfer component.

In a heat exchanger, each of a plurality of heat exchange members includes: a main body portion including a heat transfer pipe; and extending portions provided to the main body. The extending portions extend from ends of the main body portion in a third direction. When a dimension of the main body portion in the third direction is represented by La, a dimension of the extending portions in the third direction is represented by Lf, a dimension of a wall thickness of each of the heat transfer pipes is represented by tp, and a thickness dimension of each of the extending portions is represented by Tf, relationships: Lf/La≥1 and Tf≤tp are satisfied.

A memory module cooling system includes a liquid cooled manifold assembly and a heat spreader assembly rotateably attached to the liquid cooled manifold assembly about an axis perpendicular to the memory module. The liquid cooled manifold assembly includes a manifold, an liquid inlet, and a liquid outlet. The heat spreader assembly includes a base in thermal contact with a heat pipe, and a heat spreader in thermal contact with the heat pipe, the heat spreader configured to thermally engage the memory module. In certain embodiments, thermal bonds are maintained between a plurality of neighboring memory modules when a particular heat spreader assembly is rotated away from an associated memory module.

A memory module cooling system includes a liquid cooled manifold assembly and a heat spreader assembly rotateably attached to the liquid cooled manifold assembly about an axis perpendicular to the memory module. The liquid cooled manifold assembly includes a manifold, an liquid inlet, and a liquid outlet. The heat spreader assembly includes a base in thermal contact with a heat pipe, and a heat spreader in thermal contact with the heat pipe, the heat spreader configured to thermally engage the memory module. In certain embodiments, thermal bonds are maintained between a plurality of neighboring memory modules when a particular heat spreader assembly is rotated away from an associated memory module.