A spray water evaporator for manned reentry capsules has been developed for rejection of waste heat in orbit and during reentry, when space radiators cannot be used. It is designed to reject 0.5 to 10 kW of waste heat at less than 100 mbar cooling loop pressure drop and an outlet temperature between 4 and 6 deg C. Development work was focused on the aluminium heat exchangers and the spray water injector with the main objectives to increase operational reliability and spray water usage efficiency. An engineering model is available consisting of a double-shell, loose fit cylindrical heat exchanger, a brazed pin-fin exhaust heat exchanger and a needle valve spray water injector prototype.
ESA manned space technology programme european water evaporator development
Entwicklung eines europäischen Wasserverdampfers für das bemannte Raumfahrtprogramm der ESA
SAE Technical Papers ; 1-8
1996
8 Seiten, 11 Bilder, 2 Tabellen, 4 Quellen
Aufsatz (Konferenz)
Englisch
Raumfahrt , Programm , Europa , Verdampfer , Wasser , Wiedereintritt , Flugkörper , Abwärme , Erdumlaufbahn , Kühler , Wärmeabfuhr , Druckabfall , Temperatur , Wärmetauscher , Zuverlässigkeit , Modell , Nadelventil , Prototyp
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