scholarly journals Dynamics for Sustainable Nuclear Buildup Based on LWR and FBR Technologies and Its Impact on CO2 Emission Reduction

Energies ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 134
Author(s):  
Boris Crnobrnja ◽  
Krešimir Trontl ◽  
Dubravko Pevec ◽  
Mario Matijević
Keyword(s):  
Emission Reduction ◽  
Co2 Emission ◽  
Power Plants ◽  
Nuclear Energy ◽  
Electricity Sector ◽  
Light Water Reactors ◽  
Co2 Emission Reduction ◽  
Light Water ◽  
Uranium Fuel ◽  
Water Reactors

In recent years, most of the growth in electricity demand is covered by renewable and nuclear energy sources. However, electricity generation in fossil-fired power plants is also increasing resulting in the increase of CO2 emissions. Nuclear energy has to be considered as one of the available tools to accomplish CO2 emission reduction in electricity sector. Light water reactors (LWR) are currently the dominant nuclear technology but their intensive application in long-term period is constrained by available uranium fuel resources. Fast breeder reactors’ (FBR) technology is not used on a larger scale. Plutonium resources are limited, but do have the potential of stronger buildup if light water reactors, as the source of plutonium, are used on a larger scale. The appropriate dynamics for LWR/FBR buildup till the end of the 21st century is developed under assumptions of different LWR life times, and different uranium fuel resources available. The possible CO2 emission reduction is calculated with World Energy Outlook 2015 development scenarios being set as reference ones. It is shown that nuclear fuel resources do not represent an obstacle for strong nuclear buildup leading to significant CO2 emission reduction. However, the reduction is mostly achieved in the second half of the century.

An Integrated Simulator for the Maintenance Optimization of Light Water Reactors

2006 ◽  
Author(s):  
Shinobu Yoshimura ◽  
Kazuo Furuta ◽  
Yoshihiro Isobe ◽  
Mitsuyuki Sagisaka ◽  
Michiyasu Noda ◽  
...  
Keyword(s):  
Nuclear Power ◽  
Power Plants ◽  
Nuclear Energy ◽  
Social Acceptance ◽  
Development Project ◽  
Maintenance Optimization ◽  
Light Water Reactors ◽  
Light Water ◽  
Piping Systems ◽  
Water Reactors

An attempt was made to develop an integrated simulator for maintenance optimization of LWRs (Light Water Reactors) based on PFM (Probabilistic Fracture Mechanics). The concept of the simulator is to provide a method to optimize maintenance activities for representative components and piping systems in nuclear power plants totally and quantitatively in terms of safety, availability and economic efficiency (both from cost and profit). The simulator will also provide a guideline regarding social acceptance of risk-based decision makings. This study has been conducted under “Innovative and Viable Nuclear Energy Technology (IVNET) Development Project” financially supported by Japanese METI.

Underground Siting of Nuclear Power Plants: Insights From Fukushima

2012 ◽  
Author(s):  
Jay F. Kunze ◽  
James M. Mahar ◽  
Kellen M. Giraud ◽  
C. W. Myers
Keyword(s):  
Nuclear Power ◽  
Power Plants ◽  
Nuclear Power Plants ◽  
Light Water Reactors ◽  
Light Water ◽  
Waste Storage ◽  
Small Modular Reactor ◽  
Fukushima Daiichi ◽  
Water Reactors ◽  
High Level

Siting of nuclear power plants in an underground nuclear park has been proposed by the authors in many previous publications, first focusing on how the present 1200 to 1600 MW-electric light water reactors could be sited underground, then including reprocessing and fuel manufacturing facilities, as well as high level permanent waste storage. Recently the focus has been on siting multiple small modular reactor systems. The recent incident at the Fukushima Daiichi site has prompted the authors to consider what the effects of a natural disaster such as the Japan earthquake and subsequent tsunami would have had if these reactors had been located underground. This paper addresses how the reactors might have remained operable — assuming the designs we previously proposed — and what lessons from the Fukushima incident can be learned for underground nuclear power plant designs.

scholarly journals Heat in a Bottle

2019 ◽  
Vol 141 (01) ◽  
pp. 36-41 ◽  
Author(s):  
Charles W. Forsberg
Keyword(s):  
Nuclear Power ◽  
Power Plants ◽  
Heat Storage ◽  
Light Water Reactors ◽  
Enabling Technology ◽  
Light Water ◽  
Nuclear Plants ◽  
Water Reactors ◽  
Storage Technologies ◽  
Current Heat

Concentrated solar plants have been designed to store thermal energy so as to produce power after sundown, but heat storage should also be of interest to operators of nuclear power plants. Adding heat storage to light-water reactors is the enabling technology for a carbon-free electricity industry based on solar, wind, and nuclear power. And it can accomplish this with little disruption to the operations of existing nuclear plants. This article delves into the current heat storage technologies that are at various states of readiness to be deployed.

Role of Deterministic Design Safety Criteria in Assuring Safety of Generation IV Reactors

2009 ◽  
Author(s):  
Sang Kyu Ahn ◽  
Inn Seock Kim ◽  
Hun-Joo Lee ◽  
Soon Joon Hong
Keyword(s):  
Nuclear Power ◽  
Power Plants ◽  
Light Water Reactors ◽  
Light Water ◽  
Safe Production ◽  
Analysis Technique ◽  
Power Safety ◽  
Water Reactors ◽  
Shed Light

In the nuclear power community, deterministic design safety criteria have been used as a major means for assuring safety of nuclear power plants, e.g., light water reactors (LWRs). However, as a result of considerable advances in the quantitative risk analysis technique, such as Probabilistic Risk Assessment (PRA), risk-informed approaches are increasingly applied together with some of the deterministic approaches that are still considered valid. In this paper, the various deterministic approaches that have played an important role in ensuring nuclear power safety are critically reviewed to shed light to the necessary characteristics of the desirable design safety criteria especially with regard to advanced reactors such as Generation IV reactors that have great potential to further enhance the economic and safe production of nuclear power.

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