FRANCE

Tech Talk HydroGadz

The University : Arts et Métiers – Aix-en-Provence campus

About the team25 students and 10 professors.

Working on 5 subjects during 2 semesters.

Restricted team• Thomas GROSJEAN – Team manager• Joan ROIG – Liaison• Louis DE MORO – Pilot• Antoine LOSITO – IoT.div• Anthony SANSONE – div.• Loïc MEYER – Fuel cell div.• Pierre ABRAHAM – Propulsion div.• Mathis MEAUDRE – Propulsion div.• Adrien MACICUCH – IoT div.

Tech Talk HydroGadz

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Tech Talk Ideas & Inspiration

Design Ideas

Design

• Aeronautic inspired• Car racing inspired• Light weight glass fiber

Propulsion system

• 4 kW Synchronous motor• 5,2 kW fuel-cells

Other features

• Data logging• « Connected » boat • Graphic user interface

Boat photoInspiration Boat, Special feature, etc..

Tech Talk Conception methods, design, optimisationConception Methods, Design, Optimisation:

Made by the team • Traditional drafting• Molds conception• Computer assisted design (Catia V5) • Numerical stress testing• Software / GUI design

Technical expertise (Hélion) • Electrical design • Regulatory bodies design

Tech Talk Production

Materials:

• Carbon / glass fiber• Aluminium (propulsion) • Plywood• Specific piping equipments

Time of production

6 months

Problems faced:

• Weight criteria • Volume available• Sealing

Budget

80 000 €

Tech Talk Testing & Results

Tests conducted

• Fuel cell test (confidential) • Supply system only• Sensors• Stack only• Full system

• Boat test• Electrical propulsion only

• Final test

Photo of testing

Results description

• Weight : 260Kg

• Max speed : 12 Knots Efficient (RPM) : 600• Efficient speed : 7 knots Motor efficiency : 56%

Tech Talk How the fuel cell works

The Special Feature(s)

• Power of 5.2 kw• Hydrogen stocked at 300 bars• Two bottles of 7.2L• Recirculation of hydrogen

Description

• Air compressor

• H2 → 2H++2e- (anode)• 02+4H++4e-

→ 2H2 (cathode)

• 2 Air-cooler

• 68 cells

Tech Talk Community Questions