Monolithic heat-exchanger bodies

A monolithic heat exchanger body for inputting heat to a closed-cycle engine includes heating walls and heat sink, such as heat transfer regions. The heating walls are configured and arranged in an array of spirals or spiral arcs relative to a longitudinal axis of an inlet plenum. Adjacent portions...

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Bibliographische Detailangaben
Hauptverfasser: Sennoun, Mohammed El Hacin, Bellardi, Jason Joseph, Nagel, Zachary William, Akwara, Aigbedion, Mook, Joshua Tyler, Osama, Mohamed, Marrero Ortiz, Victor Luis, VandeVoorde, Kevin Michael, Notarnicola, Michael Robert
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A monolithic heat exchanger body for inputting heat to a closed-cycle engine includes heating walls and heat sink, such as heat transfer regions. The heating walls are configured and arranged in an array of spirals or spiral arcs relative to a longitudinal axis of an inlet plenum. Adjacent portions of the heating walls respectively define corresponding heating fluid pathways fluidly communicating with the inlet plenum. At least a portion of the heat sink is disposed about at least a portion of the monolithic heat exchanger body. The heat sink includes working-fluid bodies including working-fluid pathways that have a heat transfer relationship with the heating fluid pathways. Respective ones of the heat transfer regions have a heat transfer relationship with a corresponding semiannular portion of the heating fluid pathways. Respective ones of the heat transfer regions include working-fluid pathways fluidly communicating between a heat input region and a heat extraction region.