CFD and FEM Analysis of a New Engine for Light Transportation Vehicles

Paper #:
  • 2013-24-0140

Published:
  • 2013-09-08
DOI:
  • 10.4271/2013-24-0140
Citation:
Vivio, F., Vullo, V., Bella, G., Ferracci, M. et al., "CFD and FEM Analysis of a New Engine for Light Transportation Vehicles," SAE Technical Paper 2013-24-0140, 2013, https://doi.org/10.4271/2013-24-0140.
Pages:
7
Abstract:
An engine head of a common rail direct injection engine with three in line cylinders for Light Transportation Vehicle (LTV) applications has been analyzed and optimized by means of uncoupled CFD and FEM simulations in order to assess the strength of the components. This paper deals with a structural stress analysis of the cylinder head considering the thermal loads computed through an CFD simulation and a detailed FV heat-transfer analysis.The FE model of the cylinder head includes the contact interaction between the main parts of the cylinder head assembly and it is subjected to the gas pressure, thermal loads and the effects of bolts tightening and valve springs. The results, in term of temperature field, are validated by comparing with those obtained by means of experimental analyses. Then a fatigue assessment of the cylinder head has been performed using a multi-axial fatigue criterion.
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