Stefan Bjornsson
Mechanical Engineer
Kirkland,WA
Summary
Mechanical Engineer with over 10 year experience with industrial power systems and heat exchangers in power and nuclear applications.
Seeking opportunities to develop the next generation thermal systems.
Overview
12
12
years of professional experience
5
5
years of post-secondary education
Work History
System Design Engineer
TerraPower
07.2023 - Current
- Oversee ODM on the first commercial heat exchanger (HX) using liquid sodium and salt.
- Developed technical specifications, performance tests, and maintenance strategies for the HX.
- Optimized HX arrangement for safety, cost, and technical feasibility.
- HX designed using HTRi software - additional considerations include vibrations, thermal shocks, and thermal stresses.
Process Mechanical Engineer
Jansen Technologies, Inc.
09.2014 - Current
- Engineering system evaluations on over 60 boilers
- Responsible for boiler retrofit design and system integration
- Designed combustion air systems and heat exchangers
- Evaluated auxiliary equipment (e.g. pumps & fans)
- Circulation analysis for two phase (water/steam) flows
- Responsibilities include site visit data collection, field testing, start up support, and communicating results to clients
Graduate Research Assistant
University of Washington, Mechanical Engineering
09.2012 - 08.2014
- Analyzed combustion chemistry to predict emissions and improve efficiency of residential biomass boilers
- Evaluated emission characteristics of liquid biofuels
- Responsibilities included designing and building combustion experiments.
Education
Mechanical Engineering
University of Washington
Seattle, WA 09.2012 - 08.2014
Physics & Mechanical Engineering
University of Iceland
09.2008 - 05.2011
Skills
Heat Exchangers
Languages
English
Excellent
Icelandic
Excellent
Timeline
System Design Engineer
TerraPower
07.2023 - Current
Process Mechanical Engineer
Jansen Technologies, Inc.
09.2014 - Current
Graduate Research Assistant
University of Washington, Mechanical Engineering
09.2012 - 08.2014
Mechanical Engineering
University of Washington
09.2012 - 08.2014
Physics & Mechanical Engineering
University of Iceland
09.2008 - 05.2011
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