What is it about?
A complete simulation model for passenger cars is developed to perform transient simulations across various driving cycles, including the Worldwide Harmonized Light Vehicles Test Cycle (WLTC). This model is validated against metrics such as friction mean effective pressure (FMEP) and overall engine performance. Additionally, a novel technique is introduced for conducting multilevel simulations incorporating numerous engine submodels, such as those for combustion, lubrication, rigid multibody mechanics, driving control, longitudinal vehicle dynamics, and transmission dynamics.
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Why is it important?
A comprehensive passenger car simulation model is presented to investigate the influence of different lubricating oils on fuel economy and engine wear protection. The results of this assessment provide comprehensive insights into fuel economy, lubricant performance, friction power loss, oil temperature evolution, and wear damage probability, among other factors.
Perspectives
The collaboration between Universidade de Vigo and Repsol in this research exemplifies the impact of combining academic insight with industry expertise. Their partnership has led to innovations that not only advance engine technology but also offer practical benefits, like increased efficiency and sustainability. Such collaborations are crucial for turning theoretical research into real-world solutions that can drive societal progress.
Javier Blanco-Rodriguez
Universidade de Vigo
Read the Original
This page is a summary of: Modelling the impact of reducing lubricant viscosity on a conventional passenger car fuel economy and wear protection, Results in Engineering, December 2024, Elsevier,
DOI: 10.1016/j.rineng.2024.103159.
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