Editorial

摘要

This issue of Nuclear Engineering and Design is a special issue containing papers documenting information initially presented at the 12th international Meeting on Nuclear Reactor Thermal Hydraulics ～NURETH-12 that was held from September 30 through October 4, 2007, in Pittsburgh, Pennsylvania. The meeting provided a forum for thermal-hydraulics specialists to exchange information, present results from recent work and key development in nuclear thermal-hydraulics, review the state of the art, and discuss future direction and needs for further development of nuclear power plant design, analysis, and operation.