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FLOOD AND WIND-RESISTANT VENTILATED MODULE FOR SPENT NUCLEAR FUEL STORAGE
FLOOD AND WIND-RESISTANT VENTILATED MODULE FOR SPENT NUCLEAR FUEL STORAGE
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机译:用于废核燃料储存的洪水和防风通风模块
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摘要
A passively cooled storage module for spent nuclear fuel includes an elongated body including a top end, bottom end, sidewall, baseplate, detachable lid, and cavity for holding a fuel canister containing heat-emitting spent nuclear fuel assemblies. Cooling air inlet ducts spaced draw ambient cooling air radially inwards into a lower portion of the cavity. The air flows upwards in the cavity along the canister and is discharged from the top end of the module to atmosphere via natural circulation. The air inlet ducts may have a multi-angled and recurving configuration comprising one or more obliquely angled sections in one embodiment. The exterior inlet end openings of the inlet ducts are arranged at a higher elevation than the interior outlet end openings to prevent the ingress of standing and flood-related waters. The ducts and lid include radiation shielding features.
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