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Operating limits heat pipe boiling limit

PWRs operate differendy from BWRs. In PWRs, no boiling takes place in the primary heat-transfer loop. Instead, only heating of highly pressurized water occurs. In a separate heat-exchanger vessel, heat is transferred from the pressurized water circuit to a secondary water circuit that operates at a lower pressure and therefore enables boiling. Because of thermal transfer limitations, ultimate steam conditions in PWR power plants ate similar to those in BWR plants. For this reason, materials used in nuclear plant steam turbines and piping must be more resistant to erosion and thermal stresses than those used in conventional units. [Pg.10]


See other pages where Operating limits heat pipe boiling limit is mentioned: [Pg.513]    [Pg.513]    [Pg.495]    [Pg.869]    [Pg.872]    [Pg.872]    [Pg.578]    [Pg.216]    [Pg.358]    [Pg.52]   
See also in sourсe #XX -- [ Pg.496 , Pg.505 , Pg.506 ]




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