Dengkai Tu , Jingchao Xie , Henan Chai , Jiaping Liu
{"title":"纯电动汽车的非废气排放及其对隧道通风的影响","authors":"Dengkai Tu , Jingchao Xie , Henan Chai , Jiaping Liu","doi":"10.1016/j.trd.2025.104929","DOIUrl":null,"url":null,"abstract":"<div><div>The significant characteristic of non-exhaust emissions of battery electric vehicles (BEVs) has a crucial impact on the tunnel ventilation design. This study established a model to quantify the non-exhaust emission factors applicable to the calculation of tunnel ventilation. Furthermore, it explores the impact of BEVs on tunnel ventilation through a case study. The results show that BEVs are 23 % heavier and their PM<sub>2.5</sub> and PM<sub>10</sub> emissions increased by 15.4 % and 13.7 %, respectively. Regenerative braking significantly improves the emissions level, but its effectiveness diminishes at higher speeds. Without regenerative braking, the increase in BEVs leads to an increase in the tunnel required ventilation. The required ventilation decreased by 7.3 % at 50 % BEVs with full regenerative braking. When NO<sub>x</sub> dictates the required air, ventilation demand decreases rapidly with BEVs increase. The research results can provide important references for the update of ventilation standards for tunnels and the non-exhaust emissions reduction strategies.</div></div>","PeriodicalId":23277,"journal":{"name":"Transportation Research Part D-transport and Environment","volume":"147 ","pages":"Article 104929"},"PeriodicalIF":7.7000,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Non-exhaust emissions of battery electric vehicles and their impact on tunnel ventilation\",\"authors\":\"Dengkai Tu , Jingchao Xie , Henan Chai , Jiaping Liu\",\"doi\":\"10.1016/j.trd.2025.104929\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The significant characteristic of non-exhaust emissions of battery electric vehicles (BEVs) has a crucial impact on the tunnel ventilation design. This study established a model to quantify the non-exhaust emission factors applicable to the calculation of tunnel ventilation. Furthermore, it explores the impact of BEVs on tunnel ventilation through a case study. The results show that BEVs are 23 % heavier and their PM<sub>2.5</sub> and PM<sub>10</sub> emissions increased by 15.4 % and 13.7 %, respectively. Regenerative braking significantly improves the emissions level, but its effectiveness diminishes at higher speeds. Without regenerative braking, the increase in BEVs leads to an increase in the tunnel required ventilation. The required ventilation decreased by 7.3 % at 50 % BEVs with full regenerative braking. When NO<sub>x</sub> dictates the required air, ventilation demand decreases rapidly with BEVs increase. The research results can provide important references for the update of ventilation standards for tunnels and the non-exhaust emissions reduction strategies.</div></div>\",\"PeriodicalId\":23277,\"journal\":{\"name\":\"Transportation Research Part D-transport and Environment\",\"volume\":\"147 \",\"pages\":\"Article 104929\"},\"PeriodicalIF\":7.7000,\"publicationDate\":\"2025-07-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Transportation Research Part D-transport and Environment\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1361920925003396\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENVIRONMENTAL STUDIES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transportation Research Part D-transport and Environment","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1361920925003396","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENVIRONMENTAL STUDIES","Score":null,"Total":0}
Non-exhaust emissions of battery electric vehicles and their impact on tunnel ventilation
The significant characteristic of non-exhaust emissions of battery electric vehicles (BEVs) has a crucial impact on the tunnel ventilation design. This study established a model to quantify the non-exhaust emission factors applicable to the calculation of tunnel ventilation. Furthermore, it explores the impact of BEVs on tunnel ventilation through a case study. The results show that BEVs are 23 % heavier and their PM2.5 and PM10 emissions increased by 15.4 % and 13.7 %, respectively. Regenerative braking significantly improves the emissions level, but its effectiveness diminishes at higher speeds. Without regenerative braking, the increase in BEVs leads to an increase in the tunnel required ventilation. The required ventilation decreased by 7.3 % at 50 % BEVs with full regenerative braking. When NOx dictates the required air, ventilation demand decreases rapidly with BEVs increase. The research results can provide important references for the update of ventilation standards for tunnels and the non-exhaust emissions reduction strategies.
期刊介绍:
Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution.
We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.