A two-phase heat transfer system includes an evaporator unit configured to receive heat from a source, a liquid line fluidly connected to the evaporator unit, a vapor line fluidly connected to the evaporator unit, and a condenser. The condensing unit includes a thermal capacitance device and a conde
A two-phase heat transfer system includes an evaporator unit configured to receive heat from a source, a liquid line fluidly connected to the evaporator unit, a vapor line fluidly connected to the evaporator unit, and a condenser. The condensing unit includes a thermal capacitance device and a condenser integrated with the thermal capacitance device. Methods of forming a thermal storage unit include preparing a honeycomb core to receive a phase change material, metallurgically bonding end pieces to the core, to thermally link the end pieces to the core, and bonding the end pieces together to form a seal for holding the phase change material within the core.
대표청구항▼
1. A method of forming a thermal storage unit, the method comprising: preparing a honeycomb core to receive a phase change material;metallurgically bonding two end pieces to the core, to thermally link the end pieces to the core;bonding the end pieces together to form a seal for holding the phase ch
1. A method of forming a thermal storage unit, the method comprising: preparing a honeycomb core to receive a phase change material;metallurgically bonding two end pieces to the core, to thermally link the end pieces to the core;bonding the end pieces together to form a seal for holding the phase change material within the core;thermally coupling the thermal storage unit to a condenser of a heat transfer system, the condenser comprising: a vapor inlet connected to a vapor line of the heat transfer system; anda liquid outlet connected to a liquid line of the heat transfer system;positioning the honeycomb core to receive heat energy from vapor transported into the condenser through the vapor inlet, to at least partially transition the vapor into a liquid, and to return the liquid to the heat transfer system through the liquid outlet;configuring the honeycomb core to dissipate the heat energy received from the vapor by transferring the heat to the phase change material in the honeycomb core by at least partially transitioning a state of the phase change material;coupling a chilled fluid line coupled to the condenser; andconfiguring the chilled fluid line to transport a chilled liquid adjacent to the honeycomb core to transfer the heat energy from the phase change material in the honeycomb core to the chilled liquid in the chilled fluid line. 2. The method of claim 1, wherein metallurgically bonding the end pieces to the core comprises: mating the core and the end pieces,applying a solder to a seam formed where the core mates with the end pieces, andheating the core, the end pieces, or the core and the end pieces to melt the solder to bond the end pieces to the core. 3. The method of claim 2, further comprising cooling the end pieces and the core after heating. 4. The method of claim 1, further comprising coupling a plurality of lines to the thermal storage unit for conveying a chilled fluid to one of the end pieces. 5. The method of claim 4, further comprising coupling a plurality of condenser lines to the thermal storage unit for conveying a heated fluid to one of the end pieces. 6. The method of claim 4, further comprising forming a plurality of condenser lines for conveying a heated fluid in one of the end pieces. 7. The method of claim 1, wherein metallurgically bonding two end pieces to the core comprises metallurgically bonding one end piece to the core simultaneously with metallurgically bonding the other end piece to the core. 8. The method of claim 1, wherein bonding the end pieces together comprises mating peripheral flanges on the end pieces together using a seal weld. 9. The method of claim 1, further comprising filling the core with the phase change material. 10. The method of claim 1, wherein bonding the end pieces together comprises fastening peripheral flanges on the end pieces together at a thick walled section of each of the end pieces around a periphery of the end pieces, wherein the thick walled section of each of the end pieces exhibits a thickness greater than a thickness of an adjacent section of each of the end pieces. 11. The method of claim 1, wherein metallurgically bonding the end pieces to the core comprises bonding without the use of a flux. 12. The method of claim 1, wherein metallurgically bonding the end pieces to the core comprises bonding without the use of a surface treatment on the end pieces or the core. 13. A method of forming a thermal storage unit, the method comprising: metallurgically bonding at least one end piece to a honeycomb core configured to receive a phase change material to thermally link the at least one end piece to the honeycomb core;forming a seal around the honeycomb core with the at least one end piece for holding the phase change material within the honeycomb core;thermally coupling at least a first fluid line to a first side of the thermal storage unit configured to transport a vapor adjacent to the honeycomb core and to transfer heat from the vapor to the phase change material; andthermally coupling at least a second fluid line to a second side of the thermal storage unit configured to transport a chilled liquid adjacent to the honeycomb structure and to transfer heat from the phase change material to the chilled liquid. 14. The method of claim 13, wherein forming a seal around the honeycomb core with the at least one end piece for holding the phase change material within the honeycomb core comprises two end pieces together to form the seal for holding the phase change material within the honeycomb core. 15. The method of claim 13, further comprising coupling the thermal storage unit to a portion of a heat transfer system to remove heat from the portion of the heat transfer system with the thermal storage unit. 16. The method of claim 13, further comprising coupling the thermal storage unit to at least one condenser of a heat transfer system to remove heat from vapor in the at least one condenser of the heat transfer system with the thermal storage unit in order at least partially change the vapor into a liquid. 17. The method of claim 16, further comprising coupling condenser lines of the at least one condenser along and in direct contact with an outer surface of the thermal storage unit. 18. A method of forming a thermal storage unit, the method comprising: metallurgically bonding at least one end piece to a honeycomb core configured to receive a phase change material to thermally link the at least one end piece to the honeycomb core, the honeycomb core comprising a block of material having channels defined in the block of material, each of the channels feeding into a plenum defined along at least one side of the block of material;forming a seal around the honeycomb core and the plenum with the at least one end piece for holding the phase change material within the honeycomb core;thermally coupling the thermal storage unit to at least one evaporator of a heat transfer system to remove heat from the at least one evaporator of the heat transfer system with the thermal storage unit;integrating the thermal storage unit with the at least one evaporator by positioning the at least evaporator at least partially within an evaporator channel defined in the thermal storage unit, the evaporator channel having a larger cross-sectional area than each of the channels, the channels at least partially surrounding the evaporator channel;extending a fluid inlet of the at least one evaporator from a first end of the channel; andextending a fluid outlet of the at least one evaporator from a second end of the channel opposing the first end.
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