Influence of port-inducted ethanol or gasoline on combustion and emission of a closed cycle diesel engine

Horng-Wen Wu, Ren Hung Wang, Ying Chuan Chen, Dung Je Ou, Teng Yu Chen

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

After most CO2 is removed from exhaust gas by aqueous KOH in the CO2 absorber, the exhaust gas is re-circulated and mixed with a fresh oxygen charge to constitute a CCDE (closed cycle diesel engine) system. This study then improved the combustion and emissions of the diesel engine in the CCDE system using diesel fuel as main fuel with ethanol or gasoline of various energy share ratios inducted into the inlet port. Isothermal lines and velocity distributions in the engine cylinder from the numerical results are used to explain the measured emission results from the diesel engine in the CCDE system with port-inducted fuel. The CCDE system effectively decreases smoke, NOx, and CO2 before the CO2 absorber using port-inducting ethanol or gasoline. In addition, the experimental results are consistent with the numerical results for the operating engine.

Original languageEnglish
Pages (from-to)259-267
Number of pages9
JournalEnergy
Volume64
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Gasoline
Diesel engines
Ethanol
Exhaust gases
Engine cylinders
Diesel fuels
Velocity distribution
Smoke
Engines
Oxygen

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Pollution
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Wu, Horng-Wen ; Wang, Ren Hung ; Chen, Ying Chuan ; Ou, Dung Je ; Chen, Teng Yu. / Influence of port-inducted ethanol or gasoline on combustion and emission of a closed cycle diesel engine. In: Energy. 2014 ; Vol. 64. pp. 259-267.
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abstract = "After most CO2 is removed from exhaust gas by aqueous KOH in the CO2 absorber, the exhaust gas is re-circulated and mixed with a fresh oxygen charge to constitute a CCDE (closed cycle diesel engine) system. This study then improved the combustion and emissions of the diesel engine in the CCDE system using diesel fuel as main fuel with ethanol or gasoline of various energy share ratios inducted into the inlet port. Isothermal lines and velocity distributions in the engine cylinder from the numerical results are used to explain the measured emission results from the diesel engine in the CCDE system with port-inducted fuel. The CCDE system effectively decreases smoke, NOx, and CO2 before the CO2 absorber using port-inducting ethanol or gasoline. In addition, the experimental results are consistent with the numerical results for the operating engine.",
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Influence of port-inducted ethanol or gasoline on combustion and emission of a closed cycle diesel engine. / Wu, Horng-Wen; Wang, Ren Hung; Chen, Ying Chuan; Ou, Dung Je; Chen, Teng Yu.

In: Energy, Vol. 64, 01.01.2014, p. 259-267.

Research output: Contribution to journalArticle

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AB - After most CO2 is removed from exhaust gas by aqueous KOH in the CO2 absorber, the exhaust gas is re-circulated and mixed with a fresh oxygen charge to constitute a CCDE (closed cycle diesel engine) system. This study then improved the combustion and emissions of the diesel engine in the CCDE system using diesel fuel as main fuel with ethanol or gasoline of various energy share ratios inducted into the inlet port. Isothermal lines and velocity distributions in the engine cylinder from the numerical results are used to explain the measured emission results from the diesel engine in the CCDE system with port-inducted fuel. The CCDE system effectively decreases smoke, NOx, and CO2 before the CO2 absorber using port-inducting ethanol or gasoline. In addition, the experimental results are consistent with the numerical results for the operating engine.

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