Numerical Investigation of the Effects of Different Percentage Ethanol and Methanol Addition on Performance and Emission Values of a Four Cylinder Diesel Engine at Full Load


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AKTAŞ F. , KARAASLAN S. , Kilic M., YÜCEL N.

JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI, vol.22, no.4, pp.967-977, 2019 (Journal Indexed in ESCI) identifier

  • Publication Type: Article / Article
  • Volume: 22 Issue: 4
  • Publication Date: 2019
  • Doi Number: 10.2339/politeknik.492979
  • Title of Journal : JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI
  • Page Numbers: pp.967-977

Abstract

The use of different rates of biodiesel fuel in diesel engines is a very effective method for reducing exhaust emissions without causing excessive performance losses under certain engine operating conditions. In many countries, 5% biodiesel fuel contribution has become mandatory, and this ratio is much higher in some countries. In this study, addition of 5%, 10% and 15% ethanol and methanol to diesel fuel on engine performance and emission behaviour in a four-cylinder diesel engine were investigated using AVL Boost v2018.1 software. When 5%, 10% and 15% of ethanol is added to diesel fuel, the power is dropped 5 %, 4 % and 5 % compare to pure diesel usage, respectively. In the addition of methanol, these percentages were become 5 %, 5 %, and 8 %. With the addition of ethanol, the NOx reduction rates are 25%, 27%, and 28%, respectively. In the usage of methanol, these emissions were reduced 27%, 28%, and 30%, respectively. In the formation of soot, both ethanol and methanol use has been found to vary depending on the engine speed.