Justin Yarrington

Experience

• 

  Brigham Young University - Idaho

  Jan 2016 - Jul 2018

  •Synthesized an effective, autonomous method to gauge specific student weaknesses and automatically provide necessary feedback accordingly using an online course development software.•Enhanced course effectiveness by initializing investigations of fluid behavior around common geometries using a wind tunnel and a flow visualization table •Enhanced student understanding of concepts through examples and demonstrations•Earned exceptional recommendations and reviews from students and peers•Displayed excellent skills in statistical analysis and the study of three-dimensional systems

  • Fluid Mechanics/Heat Transfer Teaching Assistant

    Jan 2018 - Jul 2018

  • Mathematics Tutor

    Jan 2016 - Jan 2017
• 

  Swagelok Idaho | Montana | Salt Lake | Rock Springs

  Aug 2016 - Jan 2016

  Engineering Support

  •Improved the coherence of design review within the manufacturing team, reducing errors in product fabrication and decreasing project expenditures•Designed and drafted specialized valve, fitting and tubing assemblies using SolidWorks

• 

  Georgia Institute of Technology

  Aug 2018 - Jul 2020

  Graduate Research Assistant

  I worked with Dr. Peter Loutzenhiser and Dr. Devesh Ranjan on characterizing granular flows at high temperatures. Activities and accomplishments include:•Developed 3D numerical simulations that predicted the flow behavior particle flows using the discrete element method (DEM) and computational fluid dynamics (CFD) •Reduced computational time of high process parallel computing (HPPC) numerical simulations by a factor of 19 using C++, git, and MPI on a Linux workstation•Numerical model verification and validation performed using experimental flow results. Experimental particle flow behavior optimized using developed numerical models•Developed radiative heat transfer numerical simulations using central differencing schemes, 2nd and 3rd order upwind schemes and a tri-diagonal matrix algorithm (TDMA)•Designed and manufactured experimental infrastructure that characterized particle material properties at temperatures up to 800°C•Characterized mechanical properties of particulate media using tensile, impulse-excitation, particle impact and frictional tests at temperatures up to 800°C•Incorporated material-specific, mechanical properties of particulates in flow simulations to increase the accuracy of predicted flow behavior•Expanded signal processing programs in LabView, enabling robust control of experimental systems•Automated image processing in MATLAB, reducing data processing time by 86% Weniger anzeigen

• 

  Idaho National Laboratory

  Sept 2020 - now

  •Fracture mechanics for nuclear reactor structural materials•Nuclear fuels characterization and post-irradiation examination •Implemented a rodlet refabrication process with advanced autonomous welding techniques that enabled follow-on testing of previously irradiated nuclear fuels.•Identified critical research needs in material characterization and initiated a funding proposal aimed at investigating remote non-destructive material property characterization techniques.•Preserve the integrity of experimental data by reducing human error for mechanisms operating in a remote environment.

  • Principal Investigator

    Jan 2024 - now

  • Nuclear Research Engineer

    Sept 2020 - now