PWR Description - MIT OpenCourseWare

PWR DescriptionJacopo BuongiornoAssociate Professor of Nuclear Science and : Engineering of Nuclear SystemsPressurized Water Reactor (PWR) Pressurized Water Reactor (PWR) Public domain image from PLANTSCHEMATIC OF A PWRSCHEMATIC OF A PWR Major PWR vendors include Westinghouse, Areva and Mitsubishi source unknown. All rights reserved. This content is excluded from our Creative Commons license. For more information, see Coolant Circuits PWR Coolant Circuits INDIRECT CYCLE: Primary and Secondary Coolant Loops Singgle Phase ((Liqquid)) Reactor Coolant [Tin= C, Tout=324 C, P= MPa, Tsat= C] Two-Phase (Steam-Water) Power Conversion Cycle Loop [TSG,in=227 C, TSG,out=285 C, P= MPa, Tsat=285 C] [][TCondenser= C, P= kPa] Condenser [MPa]Phase Diagram of WaterPhase Diagram of Water Pressure 69 Vapor Vapor 38 100 227 285 343 Temperature 288 324 Saturation line i PWR secondary system PWR primary system Liquid Condenser [ C] PWR vessel , Core and Primary SSystem ARRANGEMENT OF THE PRIMARY SYSTEM FOR A WESTINGHOUSE 4-LOOP PWR Nero, Jr.

TYPICAL 4-LOOP REACTOR VESSEL. PARAMETERS. Overall length of assembled vessel, closure head, and nozzles 13.36 m InsidediameterofshellInside diameter of shell 439m4.39 m Radius from center of vessel to nozzle face Inlet Ol 3.33 m Outlet 3123.12 m Nominal cladding thickness 5.56 mm Minimum cladding thickness 3.18 mm

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