PhD in Neutron noise-based core monitoring in Small Modular Reactors

Chalmers Tekniska Högskola AB / Högskolejobb / Göteborg
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Nuclear energy is a versatile and flexible low-carbon energy source, which can provide an important contribution to the transition toward a decarbonized economy. In this context, Small Modular Reactors (SMRs) represent an attractive option because of their potential for a simpler and more effective implementation in comparison with traditional large power reactors. A PhD project is proposed to investigate a neutron noise-based technique for core monitoring and diagnostics applicable in SMRs, which can enhance reliability and safety of operations.

Information about department and the project
At the department of Physics, the Division of Subatomic, High-Energy and Plasma Physics covers a broad range of research topics. We are inspired by some of the biggest scientific questions: What is our universe made of? What forces govern it? How does it evolve? We also explore applied physics, such as energy-related research, related to phenomena on subatomic scale. More specifically, our education and research projects connect to theoretical and experimental subatomic physics, mathematical and high-energy physics, plasma and fusion physics, and nuclear-physics applications. In the division, the group 'reactor physics, modeling and safety' conducts research in computational nuclear reactor physics, core monitoring and diagnostics, and safeguards.

A PhD position in reactor physics is offered in the group 'reactor physics, modeling and safety' and relates to projects within the Swedish competence centre ANItA (Academic-industrial Nuclear technology Initiative to Achieve a sustainable energy future) integrating Swedish technical and nontechnical expertise of Uppsala University, Chalmers, KTH, Vattenfall, Uniper, Fortum, Westinghouse Electric Sweden, Studsvik Nuclear and the Swedish Energy Agency in nuclear technology and engineering. Collaborative research, development and education of the centre aims to create a Swedish knowledge and competence base needed for introduction of novel nuclear power technologies such as Small Modular Reactors (SMRs) and providing relevant information, in particular, to policymakers for timely decisions on the future Swedish energy generation mix. Within ANItA, the leading universities in Sweden collaborate with leading Nordic companies of the nuclear energy sector offering together a unique research environment and industrial application potential for doctoral students and postdocs with good opportunities for international partnership.

The PhD project is planned to investigate a technique for core monitoring and diagnostics applicable in future SMRs. The technique will rely on the analysis of reactor neutron noise, i.e., the small, stationary fluctuations of the neutron flux in the reactor core. These fluctuations are always present and are related to different types of physical phenomena. Following the evolution of neutron noise in time allows to identify and correct promptly possible perturbations that might negatively impact the operation and safety of the plant. The technique will make use of neutron noise computational tools to study the system response to perturbations and a machine learning algorithm for the inverse problem that determines the perturbations given the system response. The outcome of this project will ultimately support the design of SMRs, before their construction and exploitation. The project will also result in the establishment of state-of-art competences in core monitoring on the long term.

Major responsibilities
As a PhD student, you will develop, implement and test a neutron noise-based methodology for core monitoring and diagnostics applicable to small modular reactors. Your responsabilities also include taking courses for your doctoral education.

The position generally also includes teaching on Chalmers' undergraduate level or performing other duties corresponding to 20 per cent of working hours.

Qualifications
To qualify as a PhD student, you must have a master in nuclear engineering or equivalent. Education in nuclear reactor physics is also required. Proficiency in numerical methods and programming is necessary.

Knowledge in nuclear reactor modelling, machine learning, uncertainty and sensitivity analysis is advantageous. Ability to work in a multi-cultural environment is desirable.

Applications without a documented knowledge in nuclear reactor physics, numerical methods and programming will not be considered.

The position requires sound verbal and written communication skills in English. If Swedish is not your native language, Chalmers offers Swedish courses.

Contract terms
Full-time temporary employment. The position is limited to a maximum of five years.

We offer
Chalmers offers a cultivating and inspiring working environment in the coastal city of Gothenburg.
Read more about working at Chalmers and our benefits for employees.

Read more and apply here

Application deadline: 27th October, 2022
Associate Professor Paolo Vinai, Subatomic, High Energy and Plasma Physics
E-mail: vinai@chalmers.se, phone +46 (0)31-772 3080

• ** Chalmers declines to consider all offers of further announcement publishing or other types of support for the recruiting process in connection with this position. ***

Varaktighet, arbetstid
Heltid/ Ej specificerat

Publiceringsdatum
2022-09-27

Ersättning
Enl kollektivavtal

Så ansöker du
Sista dag att ansöka är 2022-10-27
Klicka på denna länk för att göra din ansökan

Företag
Chalmers Tekniska Högskola AB

Omfattning
Detta är ett heltidsjobb.

Arbetsgivare
Chalmers Tekniska Högskola AB (org.nr 556479-5598), http://www.chalmers.se

Jobbnummer
7019467

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