The 270-m wide, 100-m-high, and 166-m long arch-shaped New Safe Confinement (NSC) will be constructed over the Chernobyl Nuclear Power Plant’s existing Shelter to reduce potential radionuclide contamination and to alleviate radiation exposure to remediation workers. To reduce the NSC maintenance needs and radionuclide seepage to the groundwater, it is important to minimize moisture condensation from the air inside the structure. The objective of this simulation study was to determine the amounts of ventilation and insulation needed to avoid condensation on and thus rusting of the NSC’s metallic structures. The simulation results indicate that heated air and a modest amount of insulation can avoid condensation along the metallic portion of two roof layers, but the NSC would at times experience some condensation along the lower north and south sides of the NSC and inside the Shelter.
Revised: August 13, 2010 |
Published: March 21, 2004
Citation
Onishi Y., S.T. Yokuda, O.V. Voitsekhovitch, and M.J. Zheleznyak. 2004.Air Condensation of the Chernobyl New Safe Confinement. In Proceedings of the 14th Pacific Basin Nuclear Conference and Technology Exhibit. La Grange Park, Illinois:American Nuclear Society. PNWD-SA-6253.