Light Water Reactor Sustainability Technical Documents

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April 30, 2015
LWRS Program and EPRI Long-Term Operations Program - Joint R&D Plan
To address the challenges associated with pursuing commercial nuclear power plant operations beyond 60 years, the U.S. Department of Energy’s (DO...
April 30, 2015
Light Water Reactor Sustainability Program - Integrated Program Plan
The Light Water Reactor Sustainability (LWRS) Program is a research and development (R&D) program sponsored by the U. S. Department of Energy (DOE)...
April 30, 2013
LWRS Program and EPRI Long-Term Operations Program - Joint R&D Plan

To address the challenges associated with pursuing commercial nuclear power plant operations beyond 60 years, the U.S. Department of Energy’s (DOE)...

April 30, 2013
Light Water Reactor Sustainability Program - Integrated Program Plan

The Light Water Reactor Sustainability (LWRS) Program is a research and development (R&D) program sponsored by the U. S. Department of Energy ...

December 30, 2012
Online Monitoring Technical Basis and Analysis Framework for Emergency Diesel Generators—Interim Report for FY 2013

The Light Water Reactor Sustainability Program is a research, development, and deployment program sponsored by the U.S. Department of Energy Office...

September 30, 2012
Low-temperature Swelling in LWR Internal Components: Current Data and Modeling Assessment

Recent experimental observations have made it clear that cavity formation can occur in light-water reactor internal components fabricated from...

September 30, 2012
Nondestructive Examination (NDE) Detection and Characterization of Degradation Precursors

The U.S. Department of Energy’s (DOE) Light Water Reactor Sustainability (LWRS) Program is developing the fundamental scientific basis to...

September 30, 2012
Light Water Reactor Sustainability Nondestructive Evaluation for Concrete Research and Development Roadmap

Materials issues are a key concern for the existing nuclear reactor fleet as material degradation can lead to increased maintenance, increased...

September 30, 2012
Evaluation of Computer- Based Procedure System Prototype

This research effort is a part of the Light-Water Reactor Sustainability (LWRS) Program, which is a research and development (R&D) program...

September 30, 2012
Online Monitoring Technical Basis and Analysis Framework for Large Power Transformers; Interim Report for FY 2012

The Light Water Reactor Sustainability Program is a research, development, and deployment program sponsored by the U.S. Department of Energy Office...

September 30, 2012
Advanced LWR Nuclear Fuel Cladding System Development Trade-off Study

The LWR Sustainability (LWRS) Program activities must support the timeline dictated by utility life extension decisions to demonstrate a lead test...

September 30, 2012
Guidance for Deployment of Mobile Technologies for Nuclear Power Plant Field Workers

This report is a guidance document prepared for the benefit of commercial nuclear power plants’ (NPPs) supporting organizations and personnel who...

September 30, 2012
Light Water Reactor Sustainability Program: Materials Aging and Degradation Technical Program Plan

Components serving in a nuclear reactor plant must withstand a very harsh environment including extended time at temperature, neutron irradiation,...

September 30, 2012
Summary Report on Industrial and Regulatory Engagement Activities

The Advanced Instrumentation, Information, and Control (II&C) Systems Technologies pathway of the Light Water Reactor Sustainability(LWRS)...

September 30, 2012
Light Water Reactor Sustainability (LWRS) Program – R&D Roadmap for Non-Destructive Evaluation (NDE) of Fatigue Damage in Piping

Light water reactor sustainability (LWRS) nondestructive evaluation (NDE) Workshops were held at Oak Ridge National Laboratory (ORNL) during July...

September 30, 2012
Light Water Reactor Sustainability Program – Non-Destructive Evaluation R&D Roadmap for Determining Remaining Useful Life of Aging Cabl...

The purpose of the non-destructive evaluation (NDE) R&D Roadmap for Cables is to support the Materials Aging and Degradation (MAaD) R&D...

September 30, 2012
Roadmap for Nondestructive Evaluation of Reactor Pressure Vessel Research and Development by the Light Water Reactor Sustainability Program

The Department of Energy’s (DOE’s) Light Water Reactor Sustainability (LWRS) Program is a five year effort that works to develop the fundamental...

September 30, 2012
Cast Stainless Steel Aging Research Plan

This work plan proposes to build a systematic knowledge base for the thermal aging behavior of cast stainless steels (CASSs) within a limited time...

August 30, 2012
Risk Informed Safety Margin Characterization (RISMC) Advanced Test Reactor Demonstration Case Study

Safety is central to the design, licensing, operation, and economics of Nuclear Power Plants (NPPs). Consequently, the ability to better...

June 30, 2012
Use Computational Model to Design and Optimize Welding Conditions to Suppress Helium Cracking during Welding

Today, welding is widely used for repair, maintenance and upgrade of nuclear reactor components. As a critical technology to extend the service...

June 30, 2012
A Proof of Concept: Grizzly, the LWRS Program Materials Aging and Degradation Pathway Main Simulation Tool

Nuclear power currently provides a significant fraction of the United States’ non- carbon emitting power generation. In future years, nuclear power...

June 30, 2012
A Review of Stress Corrosion Cracking/Fatigue Modeling for Light Water Reactor Cooling System Components

In the United States currently there are approximately 104 operating light water reactors. Of these, 69 are pressurized water reactors (PWRs) and...

April 30, 2012
Risk Informed Safety Margin Characterization Case Study: Selection of Electrical Equipment To Be Subjected to Environmental Qualification

Reference 1 discussed key elements of the process for developing a margins-based “safety case” to support safe and efficient operation for an...

April 30, 2012
DOE-NE Light Water Reactor Sustainability Program and EPRI Long-Term Operations Program – Joint Research and Development Plan
Nuclear power has contributed almost 20% of the total amount of electricity generated in the United States over the past two decades. n
March 30, 2012
Letter Report on Metallurgical Examination of the High Fluence RPV Specimens From the Ringhals Nuclear Reactors

Regulations which govern the operation of commercial nuclear power plants require conservative margins of fracture toughness, both during normal...