Siemens Aktiengesellschaft

Walter Uebelhack

Hans-Joachim Lippert

Roland Rink

Gustav Fromel

Wendelin Kraemer

Boiling water nuclear reactor and nuclear reactor fuel assembly for the

A fuel assembly for a boiling water reactor includes an elongated fuel assembly case, mutually parallel fuel rods having longitudinal axes and being disposed in the case, and longitudinally extending inner walls having lateral surfaces facing toward the fuel rods. At least some of the lateral surfaces have grooves formed therein extending perpendicular to the longitudinal axes of the fuel rods. A boiling water reactor includes a boiling water circuit having a pressure vessel and a steam turbine. A plurality of the fuel assemblies are disposed mutually parallel in the pressure vessel. The fuel rods are bathed by boiling water flowing around them in the longitudinal direction of the fuel rods.

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Niederhausen, Germany

Walter Uebelhack