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Environmental Science and Pollution Research

, Volume 25, Issue 36, pp 35866–35873 | Cite as

Modeling the emissions of a dual fuel engine coupled with a biomass gasifier—supplementing the Wiebe function

  • Stergios Vakalis
  • Carlo Caligiuri
  • Konstantinos Moustakas
  • Dimitris Malamis
  • Massimiliano Renzi
  • Marco Baratieri
Sustainable Waste Management
  • 65 Downloads

Abstract

There is a growing market demand for small-scale biomass gasifiers that is driven by the economic incentives and the legislative framework. Small-scale gasifiers produce a gaseous fuel, commonly referred to as producer gas, with relatively low heating value. Thus, the most common energy conversion systems that are coupled with small-scale gasifiers are internal combustion engines. In order to increase the electrical efficiency, the operators choose dual fuel engines and mix the producer gas with diesel. The Wiebe function has been a valuable tool for assessing the efficiency of dual fuel internal combustion engines. This study introduces a thermodynamic model that works in parallel with the Wiebe function and calculates the emissions of the engines. This “vis-à-vis” approach takes into consideration the actual conditions inside the cylinders—as they are returned by the Wiebe function—and calculates the final thermodynamic equilibrium of the flue gases mixture. This approach aims to enhance the operation of the dual fuel internal combustion engines by identifying the optimal operating conditions and—at the same time—advance pollution control and minimize the environmental impact.

Keywords

Gasification Thermodynamics Internal combustion engine Sabathé Nitrogen oxides 

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Chemical EngineeringNational Technical University of AthensAthensGreece
  2. 2.Faculty of Science and Technology, Technical Physics GroupFree University of Bozen-BolzanoBolzanoItaly

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