Thomas L Meikle V

Presentation Outline  Introduction  AP1000 Plant Configuration  Component Configuration  Modeling Elements

Westinghouse AP1000 Plant Layout

Reactor Coolant System (RCS) P&ID

Pressurizer (PPZ) P&ID

Pressurizer (PPZ) Configuration

PPZ Surge Line Configuration

Design Information (AP1000 DCD)

Simplified Model

Conservation of Energy  Equation 4-39, Nuclear Systems 1: Thermal Hydraulic Fundamentals

General Mass and Energy Equations

Pressurizer Relief Tank (PRT) Notes

Required Inputs and Outputs – Pressurizer (PPZ) System Worksheet Component:Pressurizer (PPZ) Required OutputsSystem Pressure Pressurizer Level Temperature (?) Initial ConditionsInitial pressure Initial pressurizer level Required InputsSurge line flow rate and enthalpy Spray line flow rate and enthalpy Relief flow rate Pressurizer heater power level Ambient heat loss (?) Spray Valve Position Relief Valve Position Required GeometryArea as a function of height of the pressurizer Pertinent PhysicsConservation of mass and energy Concept of equilibrium conditions Do we want to do non-equilibrium (?) Viewable SignalsSystem pressure Pressurizer level Relief valve positions PORV positions Relief flow Spray flow Heater power level (number of heaters "on") Spray valve position (?) Open issues

Required Inputs and Outputs – Pressurizer Relief Tank (PRT) System Worksheet Component:Pressurizer Relief Tank (PRT) Required OutputsPressure (?) Level Initial ConditionsInitial pressure (?) Initial level Required InputsRelief flow rate Relief Valve Position Required GeometryArea as a function of height Pertinent PhysicsConservation of mass Viewable SignalsPressure (?) Level Open issues