车用汽油驱动性指数研究

石油炼制与化工 ›› 2016, Vol. 47 ›› Issue (4): 96-100.

车用汽油驱动性指数研究

刘倩,刘顺涛,郑煜

中国石化石油化工科学研究院

收稿日期:2015-10-21 修回日期:2015-09-25 出版日期:2016-04-12 发布日期:2016-04-19
通讯作者: 刘倩 E-mail:liuqian.ripp@sinopec.com

STUDY ON DRIVEABILITY INDEX FOR MOTOR GASOLINE

Received:2015-10-21 Revised:2015-09-25 Online:2016-04-12 Published:2016-04-19

摘要/Abstract

摘要：

车用汽油驱动性指数（DI）综合考虑了汽油各个馏分的分布，能较好地表征汽车冷起动性能和暖机性能。对DI的提出、研究进展及用途进行了阐述，并对我国车用汽油样品DI分布情况进行了初步分析研究。考察了不同季节、不同区域DI的分布情况，并考察了车用汽油质量升级对DI的影响。结果表明：我国汽油DI值范围分布较宽，不同地区的DI值差别很大；被考察地区不同季节DI值差别明显，冬季汽油DI值整体偏低；同一季节有些地区汽油DI值差别不大，但有的地区汽油DI值跨度很大。被考察的两个地区近几年随着油品的升级DI数值变化不大。有些地区的部分样品DI值较高应给予关注。

关键词: 车用汽油, 挥发性, 驱动性能, 驱动性指数

Abstract:

Driveability Index (DI) is a widely used index of overall driveability, especially in predicting cold-start and warm-up driveability. The research background, developments and applications of DI were stated. DI values of a large number of gasoline samples were determined and analyzed. The gasoline samples varied in regions, seasons and specifications. The results showed some regions have a large range of DI value. The DI level varies greatly among different regions. For the studied regions, the DI value is obviously lower as a whole in winter than summer. DI value in recent years changes very little according to the studied regions. Samples in some regions with high DI value need careful attention.

Key words: motor gasoline, volatility, driving performance, driveability index

刘倩刘顺涛郑煜. 车用汽油驱动性指数研究[J]. 石油炼制与化工, 2016, 47(4): 96-100.

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