Abstract

The disposal of gas emission from vehicle is the biggest contributor to the environmental pollution which generates most carbon monoxide, hydrocarbon, and lead (Pb=Plumbum). Those substance particulates are pollutants and harmful for both the environment and human life. One of the innovations that can reduce the pollutive particulates is to reduce CO gas by assembling a catalytic converter are displayed. In order to find out the effect of catalytic converter absorption toward (CO) gas particulate, varied with various materials in an environmentally friendly catalytic converter, a simulation using fluent software is carried out. From the simulation, it is seen a significant thermal condition and CO mass fraction absorption from various different materials, by applying mass fraction of CO=0.04;N2=0.8796; and O2=0.12, the decrease of high mass fraction (decrease of CO=0.004 mass fraction) occurs at the channel centre area due to the mass fraction of various materials that moves away from the center with a longer rest time (high conversion) at the surrounding channel.

Highlights

  • Fossil fuels used by motor vehicles are the largest contributor to air pollution, especially NO2 and carbon monoxide (CO) which amount more than 50% in free air

  • With the air pollution index (API)> 100, the effects of air pollution waves for 2 or more consecutive days were evaluated by counting the number of life lost (YLL) due to accidental, cardiovascular and respiratory deaths in the city of Tianjin, China, from year 2006 to 2011

  • This study aims to investigate the effect of the different catalytic converter materials, which is Cu, Ni, and Al on exhaust emissions and to know the physical flow of the fluid through the catalytic converter by using computational method (CFD))

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Summary

Introduction

Fossil fuels used by motor vehicles are the largest contributor to air pollution, especially NO2 and CO which amount more than 50% in free air. The results of this study indicate a considerable long-term effect due to high levels of air pollution for days. The results of this study indicate that the uniformity of flow that occurs within the monolith is caused by the recirculation that occurs in the inlet zone. This causes the different characteristics of ignition between the channels, especially in sewers that have lower temperatures. Ceramic alumina, and copper are compared to determine the performance of the micro-combustor By using these three variations of material, the combustion chamber has a high stability and can work up to an extreme equivalence ratio. While the catalytic with copper material has a lower temperature distribution

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