Pollutant Emissions of a Blended Plug-in Hybrid Electric Vehicle during High-Power Cold Starts-Reference-Cited by-同舟云学术

Pollutant Emissions of a Blended Plug-in Hybrid Electric Vehicle during High-Power Cold Starts

Published:2023-09-29 Issue: Volume: Page:
ISSN:0148-7191
Container-title:SAE Technical Paper Series
language:
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Author:

Tan Guikun¹,Wang Boyuan¹,Eitan Liu Zemin¹,Li Yanfei¹,Xu Hongming¹,Shuai Shijin¹

Affiliation:

1. Tsinghua University

Abstract

<div class="section abstract"><div class="htmlview paragraph">To characterize emission performance and engine operating conditions during high-power cold starts (HPCS), a blended plug-in hybrid electric vehicle was tested over worldwide harmonized light-duty vehicle test cycle (WLTC), and a new cycle was developed to characterize HPCS. The results showed that the engine speed and load increased dramatically to high level during HPCS under the low temperature of coolant and catalysts. The higher concentration of particle number (PN) and NOx at higher speed and load, accounted for the higher emissions during HPCS. Besides, the cumulative PN emissions increased first and then decreased with the increasing coolant temperature.</div></div>

Publisher

Society of Automotive Engineers of Japan

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