David Erntell (fd Ström)

Experience

• 

  Saab Automobile AB

  Mar 2005 - Aug 2005

  Noise and vibration development engineer, Masters thesis

  Master thesis performed at Saab Automobile NVH department aiming at developing a method of theoretically predicting the vibration dynamic characteristics of a whole assembly given the vibration dynamic characteristics of the individual components of the assembly. The tools used in this thesis was Matlab and studies was made on theoretical models and also a physical Saab 93 convertible.

• 

  Alfa Laval

  Jun 2006 - Dec 2006

  Mechanical testing engineer R&D

  Mechanical testing on a new series of separators in one of the largest R&D projects at the time at Alfa Laval. The testing involved vibration testing, fluid testing as well as function testing.

• 

  ABB

  Jan 2007 - Jul 2011

  The work involved calculating rotor dynamics including identifying mode shapes and mode frequencies of bending motion of the rotor (lateral analysis) and also geomectrically modifying the rotor in order for it to fulfill customer requirements and standards concering bending dynamics. Rotor dynamics specialist and pole plate specialist at ABB Machines. Mechanical engineer at ABB Machines R&D department. The work involved CAD work in I-deas and NX6, cooperation with ABB Corporate research concering material properties issues, trouble shooting investigating failing machines, working in projects aiming at cost reduction.

  • Rotordynamics specialist, mechanical engineering R&D

    Jan 2011 - Jul 2011

  • Mechanical engineer R&D

    Jan 2007 - Dec 2010
• 

  Scania Group

  Aug 2011 - now

  Senior mechanical designer, Cooling system. Bus Chassis development department. PO, Product owner, according to Agile way of working.Product owner of the Cooling system design area of Scania buses. Lead engineer of coolers (CAC,Rad,Oil), cooler suspension, fan cross at Bus Chassis development department. The work involves CAD work, cooperation with production site and after market site, supplier contact, purchaser contact, cross-functional development work and simulation design work in the cooling system design software Kuli. Lead engineer of coolant routing at Bus Chassis development department. The work involves CAD work, cooperation with production site, supplier contact, purchaser contact, cross-functional development work.

  • Senior Mechanical Engineer R&D, Bus Chassis development

    Oct 2018 - now

  • Product owner - eMobility - Cooling system, Bus Chassis development

    May 2022 - Sept 2022

  • Mechanical Engineer R&D, Bus Chassis development

    Mar 2014 - Oct 2018

  • Mechanical Engineer R&D, Bus Chassis development

    Aug 2011 - Mar 2014