Method to analyze economics of asset management solutions for nuclear steam generators
First Claim
1. A method of maintaining a steam generator, the method comprising:
- obtaining at least one of historic and current data for at least one of a steam generator deposit porosity, ε
, steam channel tortuosity, τ
, deposit thermal resistance, K, deposit copper content, Cu, and deposit thickness, δ
, for a steam generator or a steam generator of the same design;
calculating a B-base fouling factor, B, from the at least one of historic and current data and at least one of;
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Abstract
A method to determine corrective actions of a nuclear steam generator, having the steps of modeling of steam generator tube and deposit heat transfer characteristics by analytically deriving specific deposit characteristics and descriptive model parameters, wherein the modeling uses historical thermodynamic data for an operating plant under evaluation, identifying a set of one of preventive and corrective maintenance alternatives to accomplish steam generator deposit objectives, determining through the modeling a power production impact of each of the set of one of preventative and corrective maintenance alternatives to determine an economic cost for each of the set of preventative and corrective maintenance alternatives, and initiating a maintenance alternative with a lowest economic cost as compared to the maintenance evaluation alternatives with higher economic costs.
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Citations
9 Claims
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1. A method of maintaining a steam generator, the method comprising:
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obtaining at least one of historic and current data for at least one of a steam generator deposit porosity, ε
, steam channel tortuosity, τ
, deposit thermal resistance, K, deposit copper content, Cu, and deposit thickness, δ
, for a steam generator or a steam generator of the same design;calculating a B-base fouling factor, B, from the at least one of historic and current data and at least one of; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification