Radial flow nuclear thermal rocket (RFNTR)

Details Radial flow nuclear thermal rocket (RFNTR) Radial flow nuclear thermal rocket (RFNTR)

1992-11-03

1995-11-07

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Combined

With propulsion means

376457, 376403, G21C 2300

Patent

active

H00015016

ABSTRACT:
A radial flow nuclear thermal rocket fuel assembly includes a substantially conical fuel element having an inlet side and an outlet side. An annular channel is disposed in the element for receiving a nuclear propellant, and a second, conical, channel is disposed in the element for discharging the propellant. The first channel is located radially outward from the second channel, and separated from the second channel by an annular fuel bed volume. This fuel bed volume can include a packed bed of loose fuel beads confined by a cold porous inlet frit and a hot porous exit frit. The loose fuel beads include ZrC coated ZrC-UC beads. In this manner, nuclear propellant enters the fuel assembly axially into the first channel at the inlet side of the element, flows axially across the fuel bed volume, and is discharged from the assembly by flowing radially outward from the second channel at the outlet side of the element.

REFERENCES:
patent: 3270496 (1966-09-01), Rom
patent: 3378455 (1968-04-01), Rom et al.
patent: 3546069 (1970-04-01), McLafferty
patent: 3574057 (1971-04-01), Rom

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