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Numerical Modelling of Fouling Process in EGR System: A Review

In: Environmental Issues and Sustainable Development

Author

Listed:
  • Concepcion Paz
  • Eduardo Suarez
  • Jesus Vence
  • Adrian Cabarcos

Abstract

In order to combat climate change, the new rigorous standards for pollutant reduction have shone a light on the use of exhaust gas recirculation system in order to minimize the NOx emissions of vehicles. For this reason, the fouling problem that appears on the exhaust gas recirculation line, caused by the deposition of soot particles and hydrocarbons that are part of the exhaust gas, has become particularly relevant in the last few years. In this field, researches have proposed numerical models in order to estimate and predict the deposit formation and growth. Using various numerical techniques, they intend to determine and reproduce the fouling layer buildup considering the different mechanisms that are involved in the deposit formation. This chapter provides a detailed and comprehensive account of the numerical approaches that have been proposed to analyze the fouling phenomenon that occurs inside the exhaust gas system. The main characteristics of each numerical model, as well as their main strengths and weaknesses, are exposed and evaluated, and their simulation capabilities are examined in detail.

Suggested Citation

  • Concepcion Paz & Eduardo Suarez & Jesus Vence & Adrian Cabarcos, 2021. "Numerical Modelling of Fouling Process in EGR System: A Review," Chapters, in: Suriyanarayanan Sarvajayakesavalu & Pisit Chareonsudjai (ed.), Environmental Issues and Sustainable Development, IntechOpen.
    • Handle: RePEc:ito:pchaps:211570
    DOI: 10.5772/intechopen.93062
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    More about this item

    Keywords

    EGR; fouling; soot agglomerates; thermophoresis; hydrocarbon condensation; erosion; CFD; numerical simulation;
    All these keywords.

    JEL classification:

    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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