SEMESTER PROJECTS

Are you an EPFL student and looking for a semester credited, Bachelors or Masters Project ? Look no further! We have something for you!

If you can't find your dream project down here, but have an idea or would like to suggest your own project to do with us, we are open to suggestions! Feel free to contact us and we can talk about it.

AUTUMN 2026
COMPETITION PROJECT
Vortex Formation Analysis in Pressurised Rocket Tanks

Status: Available  |  Team: Flight Dynamics  |  Contact: rafael.boisel@epfl.ch

Students examine vortex formation at tank outlets using CFD to prevent mass flow instabilities affecting propulsion systems.

Key Tasks:

  • Literature review on empirical vortex approaches
  • Design tank countermeasures
  • Run transient CFD simulations accounting for liquid and gas phases
  • Compare simulations with empirical data

Skills required: CFD simulations, fluid dynamics, fluid-structure interaction

Timeline: 14 weeks

Sloshing Analysis in Pressurised Rocket Tanks

Status: Taken  |  Team: Flight Dynamics  |  Contact: rafael.boisel@epfl.ch

Students will verify mechanical models through CFD simulations of fluid movement in rocket tanks during acceleration, designing countermeasures like baffles.

Key Tasks:

  • Literature review on sloshing methods
  • Design and simulate tank countermeasures
  • Post-process and validate against empirical approaches
  • Document findings

Skills required: CAD design, CFD simulations, fluid dynamics, fluid-structure interaction

Timeline: 14 weeks

Design and Validation of Optimized Clamps for Rocket Structures

Status: Taken  |  Team: Structure  |  Contact: gabriel.mollet@epfl.ch

Develop lighter, more rigid fin attachment clamps meeting aerospace standards, validated through both simulation and experimental testing.

Key Tasks:

  • Review existing clamp limitations and mechanical requirements
  • CAD design multiple geometries for mass reduction and stiffness
  • FEM analysis including modal and structural analysis
  • Machine prototypes and conduct static/modal testing
  • Compare experimental results with simulations

Skills required: Modal analysis, practical testing, FEM simulations, ANSYS Mechanical

Timeline: 14 weeks

Structural Assembly FE Model Validation via Experimental Modal Analysis

Status: Taken  |  Team: Structure  |  Contact: gabriel.mollet@epfl.ch

Establish procedures for experimental modal analysis and FE model updating using non-destructive testing on rocket structural segments.

Key Tasks:

  • Define experimental modal analysis methodology using accelerometers
  • Perform testing on provided rocket assembly
  • Establish FE model correction approach
  • Iteratively update ANSYS models until accuracy criteria are met

Skills required: Structural dynamics, modal analysis, practical testing, FEM simulations, ANSYS Mechanical

Timeline: 14 weeks

Improvement of the Separation Mechanism and Testing in Extreme Environments

Status: Taken  |  Team: Structure  |  Contact: gabriel.mollet@epfl.ch

Redesign and test pyrocutter-based parachute separation systems to operate reliably at extreme altitudes (up to 100 km) with rigorous aerospace-standard validation.

Key Tasks:

  • Review and analyze existing documentation
  • Redesign mechanism in SolidWorks for improved reliability and mass reduction
  • Study NASA/ESA testing methodologies
  • Machine test fixtures for extreme environment simulation
  • Conduct tests and document results

Skills required: CAD design, machining

Timeline: 11–14 weeks

Design and Testing of a Torch Igniter

Status: Taken  |  Team: Propulsion  |  Contact: sven.profichet@epfl.ch

Extensively test and improve torch igniter design for reliable Liquid Oxygen/Ethanol propulsion system operation.

Key Tasks:

  • Review existing design and prior test data
  • Design test experiment
  • Test igniter at ERT Testing Facility
  • Analyze behavior and improve design

Skills required: Testing, fluid mechanics, machining, problem-solving

Timeline: 12–13 weeks

Design of a Regeneratively Cooled Bi-Liquid Combustion Chamber (Demo-C1)

Status: Taken  |  Team: Propulsion  |  Contact: sven.profichet@epfl.ch

Continue preliminary design of a 15 kN thrust chamber for the 30 km altitude objective, optimizing cooling systems and additive manufacturing compatibility.

Key Tasks:

  • Review existing design from prior bachelor project
  • Improve regenerative cooling system
  • Run thermomechanical simulations
  • Prepare critical design tailored for additive manufacturing

Skills required: CAD design, fluid mechanics simulation, rocket propulsion

Timeline: 14–15 weeks

Testing and Qualification of a Ball Valve Pressure Regulator

Status: Taken  |  Team: Propulsion  |  Contact: sven.profichet@epfl.ch

Test and qualify a dynamic ball valve pressure regulator prototype for integration into the Firehorn 2 launch vehicle, addressing nitrogen pressurization of propellant tanks.

Key Tasks:

  • Review design and previous test data
  • Prepare test bench approximating launch vehicle configuration
  • Test regulator extensively at ERT Testing Facility
  • Analyze behavior and improve controller and mechanical design

Skills required: Testing, control systems, fluid mechanics, machining

Timeline: 13–14 weeks

ICARUS PROJECT
N/A
No available projects at the moment.
PLASMA PROJECT
Development of a Vibration Testing Rig for Plasma Thrusters

Status: Available  |  Contact: joseph.spender@epfl.ch

Design and build a vibration testing rig to qualify plasma thrusters under launch-representative dynamic loads with standalone operation capability.

Key Tasks:

  • Research and analyze dynamic loads experienced during rocket launch
  • Design complete vibration rig system (control electronics, actuators, mechanical design, sensors, interfaces)
  • Qualify and validate finished system

Skills required: Electronics, CAD, control systems, space propulsion

Timeline: 14 weeks

Power Processing Unit for an Electron Gun

Status: Available  |  Contact: joseph.spender@epfl.ch  |  Supervisor: Jean Michelle Sallese

Design, build, and qualify power electronics for a hollow cathode electron gun, covering circuit architecture, component selection, PCB assembly, and vacuum qualification.

Key Tasks:

  • Define PPU circuit architecture for hollow cathode requirements
  • Select electronic components based on performance specifications
  • Assemble and qualify PCB
  • Document work thoroughly

Skills required: Electronic circuit design, PCB design, vacuum proof technology

Timeline: 14 weeks

Test Bench Interface

Status: Available  |  Contact: joseph.spender@epfl.ch

Create a versatile mechanical interface integrating a hollow cathode electron gun into a thrust measurement platform with potential HET adaptation.

Key Tasks:

  • Review existing test bench mechanical constraints
  • Study vacuum requirements
  • Design custom mounts and adapters
  • Conduct FEM analysis
  • Prototype and manufacture final parts

Skills required: Structural mechanics, CAD, FEM analysis, prototyping

Timeline: 14 weeks

Building and Validating a Custom Interface for Plasma Thruster Bench Testing

Status: Available  |  Contact: joseph.spender@epfl.ch

Fabricate, assemble, and qualify a custom vacuum-compatible interface for plasma thruster testing, including machining, electrical/fluidic connections, and aerospace standards benchmarking.

Key Tasks:

  • Design electrical interface
  • Design plumbing system
  • Design user interface for testing
  • Conduct literature review benchmarking against aerospace standards
  • Manufacture and verify all components

Skills required: CAD, electronics, rocketry plumbing, manufacturing

Timeline: 12 weeks

HET Plumbing

Status: Taken  |  Contact: joseph.spender@epfl.ch

Design a gas delivery system and injector for a Hall Effect Thruster, optimizing for weight, size, and gas volume in the chamber.

Key Tasks:

  • Develop thruster plumbing system
  • Design gas injector
  • Prototype and test system

Skills required: Fluid mechanics, CAD, plumbing, prototyping

Timeline: 14 weeks