Estimation of air quality by three-dimensional air simulation model - (Effect of low-emission vehicles on air quality improvement in the Greater Los Angeles area)

被引：1
|
作者：
Yoshikawa, Y
Kunimi, H
Ishizawa, S
机构：
[1] NISSAN MOTOR CO LTD,NISSAN RES CTR,YOKOSUKA,KANAGAWA 237,JAPAN
[2] GUNMA COLL TECHNOL,DEPT MECH ENGN,MAEBASHI,GUMMA 371,JAPAN
来源：
JSME INTERNATIONAL JOURNAL SERIES B-FLUIDS AND THERMAL ENGINEERING | 1996年 / 39卷 / 03期
关键词：
environmental engineering; external flow; computational fluid dynamics; chemical reaction; emission; low-emission vehicles; ozone formation;
D O I：
10.1299/jsmeb.39.647
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The effect of the introduction of low-emission vehicles on air quality improvement in the South Coast Air Basin (SCAB) around the Greater Los Angeles area in California is studied using a three-dimensional numerical simulation model which solves the urban-scale atmospheric diffusion equations and photochemical reactions. The results indicate that replacing all the light duty vehicles (LDVs) with ZEV, which satisfy the strictest regulations, will reduce the total mass emission from automobiles (CO by 83%, NOx by 66%, and ROG by 85%). shown. Replacement of LDVs with 1994 regulation level vehicles, TLEV, LEV and ZEV, will reduce the maximum ozone concentration by 14%, 17%, 18% and 20%, respectively.
引用
收藏
页码：647 / 652
页数：6
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