Terrapower, LLC

Michael E Cohen

Robert C Petroski

Ashok Odedra

Jesse R Cheatham, Iii

Nicholas W Touran

Philip M Schloss

Gary Povirk

Pavel Hejzlar

Christopher J Johns

Mark R Werner

Brian C Johnson

Bao H Truong

Jay R Tandy

Jesse R Iii Cheatham

Disclosed embodiments include fuel ducts, fuel assemblies, methods of making fuel ducts, methods of making a fuel assembly, and methods of using a fuel assembly. An inner hollow structure has a first geometry and an outer hollow structure has a second geometry different from the first geometry. The first hollow structure is configured to expand in at least one dimension under stress and cause the first hollow structure to contact the second hollow structure. The second hollow structure distributes at least a portion of the stress of the first hollow structure.

Method of making a nuclear reactor fuel duct

Disclosed embodiments include fuel ducts, fuel assemblies, methods of making fuel ducts, methods of making a fuel assembly, and methods of using a fuel assembly.

Fuel assembly

A duct for a nuclear fuel assembly includes a tubular body and an elongated member. The tubular body has a sidewall with an inner face and an outer face and is configured to contain nuclear fuel within a fuel region. The elongated member extends from the outer face along at least a portion of the fuel region and has a contact surface configured to stabilize the duct during operation of the nuclear fuel assembly.

Nuclear fuel assembly design

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Seattle, WA, United States of America

Michael E Cohen