Kampanart Silva

Kampanart Silva
National Energy Technology Center · Renewable Energy and Energy Efficiency Research Team

Doctor of Philosophy (Nuclear Engineering and Management)

About

41
Publications
3,022
Reads
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104
Citations
Additional affiliations
November 2019 - present
National Metal and Materials Technology Center
Position
  • Researcher
April 2012 - October 2019
Thailand Institute of Nuclear Technology
Position
  • Researcher
Education
March 2013 - October 2015
The University of Tokyo
Field of study
  • Nuclear Engineering and Management
April 2010 - March 2012
The University of Tokyo
Field of study
  • Nuclear Engineering and Management
April 2006 - March 2010
The University of Tokyo
Field of study
  • Environmental and Energy Engineering

Publications

Publications (41)
Conference Paper
Full-text available
Risk evaluation is an important assessment tool of nuclear safety, and a common index of direct/indirect influences of severe accidents as a compound of risk is necessary then. In this research, various influences of severe accidents are converted to monetary value and integrated. The integrated influence is calculated in a unit of “cost per severe...
Article
The IAEA’s model testing programmes have included a series of Working Groups concerned with modelling radioactive contamination in urban environments. These have included the Urban Working Group of Validation of Environmental Model Predictions (1988–1994), the Urban Remediation Working Group of Environmental Modelling for Radiation Safety (EMRAS) (...
Article
State-of-the-art dose assessment models were applied to estimate doses to the population in urban areas contaminated by the Fukushima Daiichi Nuclear Power Plant accident. Assessment results were compared among five models, and comparisons of model predictions with actual measurements were also made. Assessments were performed using both probabilis...
Conference Paper
Full-text available
The accident of Unit 4 of the Fukushima Daiichi Nuclear Power Plant (F1NPP) was the main issue that raised nuclear experts concerned about the Spen Fuel Pool (SFP) accident. To support the accident management guideline of Thailand, this study aims to determine thermal-hydraulic conditions of the SFP accident and analyze fission product release beha...
Article
Full-text available
Since the Paris Agreement in COP21, many countries around the world, including Ghana and Thailand, have established a Nationally Determined Contribution (NDC) to reduce greenhouse gas (GHG) emissions, with first update recently in COP26. With Ghana’s ongoing effort at COP26 to change its baseline to 2019, this study established a detailed Ghana veh...
Article
Solar energy is planned to undergo large-scale deployment along with Thailand’s transformation to a carbon neutral society in 2050. In the course of energy transformation planning, the issue of energy infrastructure adaptation to climate change has often been left out. This study aims to identify climate-related risks and countermeasures taken in s...
Article
The pilot Probabilistic Safety Assessment (PSA) of Thai Research Reactor-1/Modification 1 (TRR-1/M1) was implemented to fulfill the new Thai Ministrial Regulation on Periodic Safety Review (PSR). The paper's objective is to conduct the level 1 PSA of TRR-1/M1 for internal events and human errors. Considering the graded approach, Hazard and Operabil...
Article
Full-text available
To support the regional strategy development of ASEAN NPSR using scientific research, Modified ART Mod 2 has been used to assess the fission product release from RPVs and SFPs independently. However, the Fukushima Accident suggested the possibility of simultaneous release from RPV and SFP which indicated the necessity of re-evaluation of the maximu...
Article
Previous nuclear power plant (NPP) severe accidents have raised great concern in Southeast Asia on the issue of transboundary atmospheric dispersion of an accidental release from an external NPP. This study presents the inter-comparison of atmospheric dispersion calculations performed by different calculation codes employing Lagrangian particle mod...
Article
Recent studies on nuclear accident consequence assessments that can cover consequences to both people and the environment, cannot capture the change of consequences over time, and vice versa. This study aims to design a framework of nuclear accident consequence assessment that can cover major consequences to people and the environment, and capture...
Article
Past nuclear accidents demonstrated that radioactive materials from an accident in a nuclear power station (NPS) can disperse to other countries or even across the globe. This means all countries need to be prepared to respond to a nuclear power emergency even if they have no nuclear power program. This study aims to propose a structured framework...
Conference Paper
Due to high accuracy and user-friendliness of cyber technology, the use of digitalized nuclear instrumentation and control (I&C) devices have been continuously increasing in the past decades. Consequently, nuclear cybersecurity became an important issue due to possible occurrence of nuclear cyber-attack such as what happened in Natanz nuclear facil...
Article
Full-text available
Understanding public perception on nuclear research reactor is necessary for the policy maker to adopt such technology in Thailand, especially the locals who live in the proposed location. The study compared perceptions between the locals living near the proposed nuclear research reactor location (within 5 km) and those living in the outer region (...
Conference Paper
Modified ART Mod 2 was used to perform integrated evaluations of releases from the RPV and the SFP into the CV and was verified with MELCOR 2.1 results. Due to the similar deposition phenomena of Modified ART Mod 2 and MELCOR 2.1, there are non-significantly different results. Therefore, Modified ART Mod 2 are acceptable to calculate the release fr...
Conference Paper
It is well-known that Loss of Coolant Accident (LOCA) has a significant contribution to fuel damage. Not only LOCA in the reactor cooling system but also LOCA in the spent fuel pool (SFP) need to be evaluated since it stores a lot of spent fuels which contain significant amount of radionuclide. In our previous studies, ART Mod 2 were modified and v...
Conference Paper
Periodic Safety Review (PSR) of Thai Research Reactor-1/Modification 1 (TRR-1/M1) is suggested by the International Atomic Energy Agency (IAEA). It includes Probabilistic Safety Assessment (PSA). Process Hazard Analysis (PHA) is usually used to identify Initiating Events (IEs) in PSA. Hazard and Operability (HAZOP) analysis is known as one of the b...
Poster
Objective The objective of this study is to reconsider the scope of the PSA tasks for the TRR-1/M1 based on practice of nuclear power plants (NPP) and apply graded approach for the research reactor as recommended by the IAEA. Thai Research Reactor-1/Modification 1 (TRR-1/M1) Reactor type TRIGA Mark III Maximum power 1.3 MW Nominal operation power 1...
Article
Full-text available
Evaluation of aerosol deposition in the containment vessel is an important step for the assessment of radioactive material release to the environment. ART Mod 2 is a calculation code that is used for evaluation of aerosol deposition in the containment vessel. The authors modified aerosol deposition models of ART Mod 2, namely, gravitational settlin...
Conference Paper
From the Fukushima accident, Thailand has studied fission product behavior in containment vessel using ART Mod 2 code. Cesium iodide (CsI), cesium hydroxide (CsOH) and iodine (I 2) behaviors are studied using modified ART Mod 2 code. However, there are other compounds which are not included in the codes especially cesium and iodine compounds such a...
Article
Though the fundamental safety objective of the IAEA is to protect both people and the environment from harmful radiation effects, probabilistic risk criteria for environmental protection has only been discussed recently after the occurrence of the Fukushima Accident. Preceding studies confirmed the appropriateness of using 100 TBq cesium-137 releas...
Conference Paper
Thailand has studied assessment of volatile fission product behavior in containment vessel using ART Mod 2 since 2012. There are inconsistencies in calculated results of fission product behavior in ART Mod 2 because some phenomena are not modeled in the assessment. Therefore, this study aims to perform phenomena identification and ranking table (PI...
Article
Full-text available
The Power Burst Facility (PBF) was designed to provide experimental data to determine the thresholds for failure during accident conditions. Thus, the PBF benchmark using severe accidental analysis codes is essential to designing reactor for current directions. This assessment verified and validated that the RELAP/SCDAPSIM/MOD3.4 code can be used t...
Conference Paper
Containment vessel is one of the important safety barriers in a nuclear power plant. The study on radio-aerosol behavior in the containment vessel can support the development of accident management strategy, and is thus necessary to ensure nuclear safety. ART Mod 2 is a calculation code that is used to evaluate radionuclide transportation and depos...
Article
Full-text available
Fission product behaviors of Cs, a major element released in a severe nuclear accident, still remain unclear. The question frequently addressed is whether Cs released will be in the form of Cs2MoO4 or CsOH. This is a challenging issue since it has been demonstrated that the reaction between Cs2MoO4 and water leading to CsOH production is thermodyna...
Article
Full-text available
Consequence assessment of a hypothetical severe accident is one of the important elements of the risk assessment of a nuclear power plant. It is widely known that the meteorological conditions can significantly influence the outcomes of such assessment, since it determines the results of the calculation of the radionuclide environmental transport....
Conference Paper
Evaluation of radioparticles deposition in the containment vessel is an important step for the assessment of release of radioactive material to the environment. The objective of this study is to modify the radionuclide deposition model in ART Mod 2 by benchmarking with the experimental data of Nuclear Safety Pilot Plant – 502 (NSPP-502) and Phébus...
Article
Nuclear Accident Consequence Index (NACI) which can assess the overall consequences of a severe accident on people and the environment is developed based on findings from previous studies. It consists of three indices: radiation effect index, relocation index and decontamination index. Though the NACI can cover large range of consequences, its asse...
Conference Paper
Correlation between the Nuclear Accident Consequence Index (NACI) and the amount of released cesium-137 is investigated in order to use the amount of released cesium-137 for the assessment of severe accident consequences. The correlation follows power function, and the exponent of the function can be used to explain the correlation.
Conference Paper
The IAEA fundamental safety objective is to protect people and the environment from harmful effects of ionizing radiation. Therefore, in order to prove the applicability of 100 TBq Cs-137 release into environment as a safety criterion at reactor design approval stage, the limitedness of the consequences of the release to both people and the environ...
Article
The IAEA fundamental safety objective is to protect people and the environment from harmful effects of ionizing radiation. Therefore, in order to prove the applicability of 100 TBq Cs-137 release into environment as a safety criterion at reactor design approval stage, the limitedness of the consequences of the release to both people and the environ...
Article
Full-text available
The value of Buddha images in Thailand varies dramatically depending on authentication and provenance. In general, people use their individual skills to make the justification which frequently leads to obscurity, deception and illegal activities. Here, we propose two non-destructive techniques of neutron radiography (NR) and neutron activation auto...
Article
Full-text available
For the neutron radiography facility renovation plan at Thai Research Reactor, mixed barite-concrete blocks of different compositions were tested for their photon and neutron radiation attenuation properties. 60Co and 137Cs isotopes were used as the gamma sources; 241Am-Be was used as the neutron source. For detection, a scintillation counter and a...
Article
The International Atomic Energy Agency (IAEA) fundamental safety objective is to protect people and the environment from harmful effects of ionizing radiation. Therefore, a severe accident consequence assessment has to be able to include all quantifiable consequences on people and the environment. Our previous studies on estimation of cost per seve...
Article
Cost per severe accident, which can cover various kinds of consequences, namely health effects, economic, social and environmental impacts, has been used as an index for severe accident consequence assessment in the authors' previous studies. Decontamination of the contaminated area was concluded influential to the cost per severe accident, though...
Conference Paper
In previous studies, the authors developed an index “cost per severe accident” to perform a severe accident consequence assessment that can cover various kinds of accident consequences, namely health effects, economic, social and environmental impacts. Though decontamination cost was identified as a major component, it was taken into account using...
Conference Paper
Severe accident at nuclear power plants, including the Fukushima accident in March 2011, wreak various kinds of consequences, including health effects, economic, social and environmental impacts. The authors developed the scheme of the accident consequence assessment using “accident cost”, aiming for it to be an index that is as comprehensive as po...
Article
The Fukushima Accident emphasizes the need to integrate the assessments of health effects, economic impacts, social impacts and environmental impacts, in order to perform a comprehensive consequence assessment of severe accidents in nuclear power plants. “Cost per severe accident” is introduced as an index for that purpose. The calculation methodol...

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