The study simulates to design and calculate performance of three way catalystforautomobile engine

Abstract

This paper simulated Three Way Catalysts (TWC) performance on
Toyota Vios 1.5 engine, the simulation was done on AVL-Boost
sorfware; the emperimetns were carried on APA100 bench to determine
the initial and boundary conditions. The results showed that, the error
between simulation and experiment results were less than 5%. The TWC
desigded for Toyota Vios 1.5 engine, the parameters of TWC as volume,
amounts of noble metals, cell density was determined 2 liter, 2.68 gram
and 400 cell/inch2 respectively. The simulation results on Toyota Vios
1.5 engine also showed that, the highest performance of CO, HC and
NOx was 99.9%, 70.2% and 95.6% respectively, when throttle and speed
increased from 15% to 100%, CO, HC and NOx conversion perfomance
trendly decreased. At lamda was smaller one, the CO and HC
performance decreased strongly.