Professional Doctorate Engineering in Energy & Process Technology – Predictive Tyre Testing at University of Twente

  • University of Twente, Drienerlolaan, Drienerveld-Universiteit Twente, Enschede, Netherlands
  • Ημερομηνία ανάρτησης 22/03/2017
  • Εμφανίσεις 279
Επισκόπηση θέσης εργασίας

Introduction to the project
Rolling resistance is the main key factor in measuring the energy efficiency of a tyre and has direct influence on the fuel consumption of a vehicle. A set of tyres of the green class «A» label compared to a «G» class can reduce fuel consumption by 7,5% of a passenger car. Tyre deformation constitutes a major part of rolling resistance and is mainly because of bending of the tyre crown at the leading and trailing edge of the contact patch and bending or bulging out of the sidewall because of the load on tyre structure, compression of the tread throughout the contact patch area and finally shearing of tread and sidewall elements. These phenomena cause a deformation induced viscoelastic energy loss in the tyre. They therefore dissipate energy in the form of heat whenever they are being deformed. In order to reduce the rolling resistance it is necessary to understand the mechanisms involved in tyre deformation when rolling. Extensive studies have been done in the past on the influence of temperature and frequency on the reduction of rolling resistance. The influence of the strain within the tyre is less studied although having a large influence on the rolling resistance; measured as tan d.

Goal and prototype deliverable of the project

For this assignment one particular component of the tyre; e.g. under tread should be optimized to give an improvement in rolling resistance. The optimization of the tan delta versus strain of this particular compound should be performed by means of Design of Experiments (DoE). The DoE will include material as well as processing parameters. At the end of the design a prototype tyre should be built with the optimized compound and checked on performance improvement.

 

Further details: Professional Doctorate Engineering in Energy & Process Technology – Predictive Tyre Testing at University of Twente

The closing date is 31 March 2017.
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