Archive image from page 22 of Deep ocean power systems (1968). Deep ocean power systems deepoceanpowersy00gior Year: 1968 conversion machinery i â LJ; sen Figure 3. In-situ power plant arrangement for 1,000 and 3,000 kw. The physical parameters of pressure hulls for various reactor power plants at operating depths of interest are shown in Table 4. Minimum diameters have been estimated for the reactor based on obtaining access to the pressure hull for hull inspection and maintenance (painting). For carbon steel hulls, these diameters vary from 9 feet for the 30-kw plant to 21 feet for the
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Archive image from page 22 of Deep ocean power systems (1968). Deep ocean power systems deepoceanpowersy00gior Year: 1968 conversion machinery i â LJ; sen Figure 3. In-situ power plant arrangement for 1, 000 and 3, 000 kw. The physical parameters of pressure hulls for various reactor power plants at operating depths of interest are shown in Table 4. Minimum diameters have been estimated for the reactor based on obtaining access to the pressure hull for hull inspection and maintenance (painting). For carbon steel hulls, these diameters vary from 9 feet for the 30-kw plant to 21 feet for the 3, 000-kw plant. Two factors which will significantly modify these dimensions are the type of material in the pressure hull and the extensive use of iron shielding to suppress neutron flux levels and reduce activation of the pressure hull. The high-strength steels, HY 80 and HY 130, which contain nickel with cobalt impurities, are not the most effective for shielding. HY 18( steel contains almost 5 cobalt and requires diameters approximately 2 feet larger than the lower strength steels. Material activation is of importance in the design of the pressure hull. 17