TWO-PHASE EXPENDABLE COOLING SYSTEMS WITH PASSIVE FLOW CONTROL MEMBRANES

An apparatus includes a heat sink configured to receive thermal energy from one or more heat sources. The heat sink includes a local reservoir configured to hold a liquid coolant, and the heat sink is configured to pass the thermal energy into the liquid coolant in the local reservoir in order to va...

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Bibliographische Detailangaben
Hauptverfasser:	Ockfen, Alex E, Wilson, James S, Lozano, III, Adolfo, Rickman, Amanda S
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COMBINED HEATING AND REFRIGERATION SYSTEMS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PRINTED CIRCUITS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	An apparatus includes a heat sink configured to receive thermal energy from one or more heat sources. The heat sink includes a local reservoir configured to hold a liquid coolant, and the heat sink is configured to pass the thermal energy into the liquid coolant in the local reservoir in order to vaporize at least some of the liquid coolant. The apparatus also includes a membrane configured to allow vaporized coolant to pass through the membrane out of the local reservoir into an ambient environment and to prevent unvaporized coolant from passing through the membrane. The membrane is thereby configured to provide passive flow control for the liquid coolant. The membrane could include a vapor-permeable and liquid-repelling membrane. The membrane can also be configured to hold the liquid coolant in the local reservoir against one or more surfaces of the heat sink.