Postdoctoral Research Fellow in Aqueous Chemistry and Thermochemical Modelling 100%, Zurich, fixed-term The Nuclear Safety and Multiphase Flows Laboratory (NS-ECMFL) is a research group in the Department of Mechanical and Process Engineering at ETH Zurich, led by Prof. Dr. Annalisa Manera. Our lab specializes in both experimental and computational studies of multiphase flows and thermal-hydraulic phenomena in nuclear systems. We develop advanced measurement techniques, perform high-resolution experiments, and conduct multi-scale, multi-physics simulations. Our work aims to improve nuclear reactor safety and efficiency through innovative passive safety systems and detailed analysis of complex fluid dynamics and heat transfer processes. In this context, we invite applications for a Postdoctoral Researcher position to work on an international project, focusing on predicting and managing liquid source terms in severe nuclear accidents. Project background The following project, where ETH Zurich plays a crucial role, significantly contributing to various research and development aspects of nuclear safely. The focus of the project is to gather essential data on the liquid source term, improve our understanding of the associated phenomena and develop tools to simulate the relevant processes. In collaboration with PSI, ETH reviews data from previous projects, focusing on leaching tests of Chornobyl's lava in various liquids, and also contributes to reviewing data from Fukushima-related research projects, with a particular focus on thermodynamic data for caesium and strontium compounds. ETH is also actively engaged in developing and validating new simulation models. This includes reviewing other simulation tools and databases, such as thermodynamic solvers, to enhance our understanding of liquid speciation and dissolution process. ETH contributes to summarizing knowledge on the use of the GEMS thermochemical solver and HERACLES thermodynamic database, specifically dedicated to nuclear applications. These efforts are integral to developing and integrating new models into severe accident (SA) codes, which include assessing and validating thermodynamic data to predict the behaviour of fission products like caesium and strontium in liquid phases during accidents. Job description In the context ot the project, you duties involve the following tasks: Extension and validation of thermodynamic database relevant to modelling of aqueous systems. Analyse experimental data to improve the understanding of liquid source term phenomena. Developing and validating simulation models, focusing on thermodynamic aspects and geochemical tools to predict fission product behaviour. Be involved in implementation of the developed models into simulation codes and algorithms. Work closely with project partners from other leading research institutions. Present research findings at international conferences and workshops. Contribute to the dissemination of project results through various communication channels. Collaborate with colleagues in computational modelling and experimental domains to improve data analysis. Profile Ph.D. in Nuclear Engineering, Physics, Chemical Engineering, or a related field. Experience with computational chemistry and simulation tools. Prior knowledge of nuclear safety, severe accident analysis, and radioactive material behaviour is a plus. Good knowledge of programming languages (C++ and Python). Independent, self-driven, creative, and solution oriented. Strong written and verbal communication skills, and a team-player attitude. With the social and leadership competencies, ETH Zurich has developed a common understanding for a shared work culture. Kindly try to incorporate these six competencies into your recruitment. Workplace We offer Opportunities for professional development and collaboration with leading experts in the field. Your job with impact: Become part of ETH Zurich, which not only supports your professional development, but also actively contributes to positive change in society. You can expect numerous benefits, such as public transport season tickets and car sharing, a wide range of sports offered by the ASVZ, childcare and attractive pension benefits. chevron_right Working, teaching and research at ETH Zurich We value diversity and sustainability In line with our values, ETH Zurich encourages an inclusive culture. We promote equality of opportunity, value diversity and nurture a working and learning environment in which the rights and dignity of all our staff and students are respected. Visit our Equal Opportunities and Diversity website to find out how we ensure a fair and open environment that allows everyone to grow and flourish. Sustainability is a core value for us – we are consistently working towards a climate-neutral future. Curious? So are we. We look forward to receiving your online application with the following documents: CV Cover Letter Reference Letters Please note that we exclusively accept applications submitted through our online application portal. Applications via email or postal services will not be considered. Further information about Laboratory of Nuclear Safety and Multiphase Flows can be found on our website. Questions regarding the position should be directed to Dr. Sergii Nichenko, Tel +41 56 310 22 96 or email snichenko@ethz.ch (no applications). We would like to point out that the pre-selection is carried out by the responsible recruiters and not by artificial intelligence. About ETH Zürich ETH Zurich is one of the world’s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow. Wenn Sie sich auf diese Stelle bewerben, erwähnen Sie bitte dass Sie sie auf Universitoxy gesehen haben.

Postdoctoral Research Fellow in Aqueous Chemistry and Thermochemical Modelling

100%, Zurich, fixed-term

The Nuclear Safety and Multiphase Flows Laboratory (NS-ECMFL) is a research group in the Department of Mechanical and Process Engineering at ETH Zurich, led by Prof. Dr. Annalisa Manera.

Our lab specializes in both experimental and computational studies of multiphase flows and thermal-hydraulic phenomena in nuclear systems. We develop advanced measurement techniques, perform high-resolution experiments, and conduct multi-scale, multi-physics simulations. Our work aims to improve nuclear reactor safety and efficiency through innovative passive safety systems and detailed analysis of complex fluid dynamics and heat transfer processes.

In this context, we invite applications for a Postdoctoral Researcher position to work on an international project, focusing on predicting and managing liquid source terms in severe nuclear accidents.

Project background

The following project, where ETH Zurich plays a crucial role, significantly contributing to various research and development aspects of nuclear safely. The focus of the project is to gather essential data on the liquid source term, improve our understanding of the associated phenomena and develop tools to simulate the relevant processes. In collaboration with PSI, ETH reviews data from previous projects, focusing on leaching tests of Chornobyl's lava in various liquids, and also contributes to reviewing data from Fukushima-related research projects, with a particular focus on thermodynamic data for caesium and strontium compounds.

ETH is also actively engaged in developing and validating new simulation models. This includes reviewing other simulation tools and databases, such as thermodynamic solvers, to enhance our understanding of liquid speciation and dissolution process. ETH contributes to summarizing knowledge on the use of the GEMS thermochemical solver and HERACLES thermodynamic database, specifically dedicated to nuclear applications. These efforts are integral to developing and integrating new models into severe accident (SA) codes, which include assessing and validating thermodynamic data to predict the behaviour of fission products like caesium and strontium in liquid phases during accidents.

Job description

In the context ot the project, you duties involve the following tasks:

Extension and validation of thermodynamic database relevant to modelling of aqueous systems.
Analyse experimental data to improve the understanding of liquid source term phenomena.
Developing and validating simulation models, focusing on thermodynamic aspects and geochemical tools to predict fission product behaviour.
Be involved in implementation of the developed models into simulation codes and algorithms.
Work closely with project partners from other leading research institutions.
Present research findings at international conferences and workshops.
Contribute to the dissemination of project results through various communication channels.
Collaborate with colleagues in computational modelling and experimental domains to improve data analysis.

Profile

Ph.D. in Nuclear Engineering, Physics, Chemical Engineering, or a related field.
Experience with computational chemistry and simulation tools.
Prior knowledge of nuclear safety, severe accident analysis, and radioactive material behaviour is a plus.
Good knowledge of programming languages (C++ and Python).
Independent, self-driven, creative, and solution oriented.
Strong written and verbal communication skills, and a team-player attitude.

With the social and leadership competencies, ETH Zurich has developed a common understanding for a shared work culture. Kindly try to incorporate these six competencies into your recruitment.

Workplace

We offer

Opportunities for professional development and collaboration with leading experts in the field.
Your job with impact: Become part of ETH Zurich, which not only supports your professional development, but also actively contributes to positive change in society.
You can expect numerous benefits, such as public transport season tickets and car sharing, a wide range of sports offered by the ASVZ, childcare and attractive pension benefits.

chevron_right Working, teaching and research at ETH Zurich

We value diversity and sustainability

In line with our values, ETH Zurich encourages an inclusive culture. We promote equality of opportunity, value diversity and nurture a working and learning environment in which the rights and dignity of all our staff and students are respected. Visit our Equal Opportunities and Diversity website to find out how we ensure a fair and open environment that allows everyone to grow and flourish. Sustainability is a core value for us – we are consistently working towards a climate-neutral future.

Curious? So are we.

We look forward to receiving your online application with the following documents:

CV
Cover Letter
Reference Letters

Please note that we exclusively accept applications submitted through our online application portal. Applications via email or postal services will not be considered.

Further information about Laboratory of Nuclear Safety and Multiphase Flows can be found on our website. Questions regarding the position should be directed to Dr. Sergii Nichenko, Tel +41 56 310 22 96 or email snichenko@ethz.ch (no applications).

We would like to point out that the pre-selection is carried out by the responsible recruiters and not by artificial intelligence.

About ETH Zürich

ETH Zurich is one of the world’s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow.

Wenn Sie sich auf diese Stelle bewerben, erwähnen Sie bitte dass Sie sie auf Universitoxy gesehen haben.

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