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Jérôme RAHIER

LE CHESNAY

En résumé

Mes compétences :
Automobile
delphi
Motoriste
Motorsport
Sport

Entreprises

  • Daimler AG - Diesel Engines Development Engineer (PKW-Dieselmotoren)

    LE CHESNAY 2010 - maintenant Stuttgart, GERMANY

  • Delphi Diesel Systems - Injection & Combustion Performances Engineer

    2008 - 2010 Blois, FRANCE

    Customer Support :
    • Was in charge of engine performances evaluation programs for new-coming customers ;
    • Defined injection systems configurations and develop engines strategy & calibrations ;
    • Supported customers teams inquiries when back at their factory.

    Generic Development :
    • Provided test bench / test track to find an optimal balance between engine performance, emissions and fuel economy to achieve the US Tier2Bin2 standards with prototype Diesel engines (HCCI combustion, HP+LP EGR system, exhaust Variable Valve Lift) ;
    • Implemented an improvement plan for piezo injector to fit high flow and very high performances engines : injection strategy & mechanical design (hydraulic, nozzle, seat angle, holes) ;
    • Developped a new mode of combustion to achieve the Euro 6 standards without using after-treatment systems.

  • Snecma - Vibration Analysis Engineer

    Courcouronnes 2007 - 2007 Villaroche, FRANCE – Final year expertise project

    • Defined methods and equipments to balance the new generation of engines branded “Silvercrest” ;
    • Performed analytical investigation to study the amplitude of vibrations of an unbalanced rotor passing through its 2nd and 3rd critical speeds (> 20.000 erpm) ;
    • Produced, in collaboration with Schenck SAS, a small-scale model of the HP rotor to visualize the physical phenomena while going through the 2nd critical speed.

  • PSA Peugeot Citroën - Powertrain Competitive Analysis Engineer Assistant

    Rueil Malmaison 2006 - 2006 La Garenne-Colombes, FRANCE – Industrial Placement

    • Carried out the static analysis of the following engines :
    - BMW NG6 3.0l (195 kW / 315 Nm)
    - Volkswagen BLG 1.4l TSI (125 kW / 240 Nm)
    - Renault K9K 1.5l dCi (78 kW / 240 Nm) ;
    • Business trip to AVL (AUSTRIA) to supervise the test bed benchmark of the 3.0 L (200 kW) CR DI inline 6-cylinder Diesel engine with 2 stage turbo charging system installed in the BMW 535d ;
    • Conducted a specific study on BMW’s fully-variable valve control system “Valvetronic”.

  • Prema Powerteam - F3 Euro Series - Volunteering

    2004 - 2004 Vicenza, ITALY

    • Assisted the race engineer of Frank Perera, 2004 Rookie Championship winner, mainly providing data acquisitions ;
    • Took part in the French GP (Magny-Cours) and German GP (Nürburgring) ;
    • Experienced with fundamental automotive control systems for brakes, suspension, and engine control / management as applied to Motorsport ;
    • Learnt a lot in various areas of Motorsport : set-up of the car, data analysis, interaction with the driver, mechanics, race engineers.

  • Thalès Alenia Space - "Assembly, Integration & Tests" Engineer Assistant

    TOULOUSE 2004 - 2004 Cannes, FRANCE – Internship

    • Anticipated the proper operation of satellites in orbit ;
    • Took part in tests in spatial environment and participated in the mating of the two main modules of APSTAR IV satellite.

Formations

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