< Lionel Elias Gretler

LIONEL
ELIAS
GRETLER

Mechanical Engineer with a focus on Thermo- and Fluid Dynamics, Experimental and Computational Methods

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Recent Projects

Fluidization Test Stand
Fluidization Test Stand preview

Fluidization Test Stand

Experimental Fluid Mechanics

Fluidization Test Stand, Computational Modeling and Prototyping

Laboratory scale fluidization test stand developed through physics based modeling, numerical parameter studies, and iterative mechanical design.

  • Python based model for evaluating fluidization behavior and design parameter sensitivity
  • Analytical and numerical dimensioning of column geometry, distributor, and flow rates
  • Iterative CAD design, additive manufacturing, and experimental refinement of the setup
Experimental Fluid Mechanics Parametric Modelling CAD
High Speed Imaging
Vision QA preview

High Speed Imaging

Experimental Fluid Mechanics

High Speed Imaging, Virtual Frame Technique

Experimental investigation of droplet impact dynamics to achieve high temporal resolution without high speed cameras.

  • Application of total internal reflection to create binary wetting dynamics
  • Reconstruction of time resolved impact evolution using exposure timing and grayscale inversion
  • Quantitative extraction of wetting front radii and velocities with validation against reference data
Experimental Fluid Mechanics Optical Diagnostics Data Analysis
PIV and PTV
Actuation module preview

PIV and PTV

Experimental Fluid Mechanics

PIV and PTV, Quasi Two Dimensional Turbulent Flow

Experimental study of laminar to turbulent transition in a quasi two dimensional flow using complementary Eulerian and Lagrangian measurement techniques

  • Velocity field measurement using particle image velocimetry and cross correlation methods
  • Lagrangian particle tracking for trajectory statistics, VACF, and mean square displacement
  • Reynolds number scaling and identification of flow regime transitions under electromagnetic forcing
Experimental Fluid Mechanics Flow Diagnostics Data Analysis

Work Experience

ETH Zurich

Teaching Assistant - Electrical Engineering

09.2025 to 12.2025 and 09.2024 to 12.2024

Electrical Engineering Teaching
Everllence

Working Student

06.2024 to 09.2024

Industrial Drive Systems
tempStaff AG

Bartending and waiting

01.2022 to now

Service Event Catering
Bar Andorra

Bartending and waiting

05.2022 to 07.2022

Service

Education

ETH Zurich

BSc Mechanical Engineering

Focus: Energy, Flows and Systems

Kantonsschule MNG Raemibuehl (Highschool)

Swiss Matura

Focus: Physics & Math