Ventilation and exhaust purification of motor vehicle tunnels in Japan

机译：日本汽车隧道的通风和排气净化

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Japan is a mountainous country with an extensive road network. Japan was the first country in the world to use tunnel electrostatic precipitators ('ESPs') to remove suspended particle matter ('SPM') from tunnel air to maintain tunnel visibility. Over the last 30 years the use of ESPs in Japanese road tunnels has become more common. Over the last decade there has been increased use of ESPs in urban tunnels to remove SPM for external air quality purposes. The use of ESPs in tunnels for external environmental purposes has allowed ESPs to be installed in tunnel ventilation buildings. Over the last few years efficiencies in SPM removal have also allowed the development of technology to remove nitrogen dioxide (NO_2) by a range of NO_2 removal technologies. This paper explores the history of the ventilation and exhaust treatments for road tunnels in Japan and explores why ESPs and/or denitrification systems are introduced into tunnels in Japan. Relevant standards and specifications are also referred to.

机译：日本是一个拥有广泛的道路网络的山区。日本是世界上第一个使用隧道静电除尘器（'ESP'）去除隧道空气中悬浮颗粒物质（'SPM'）以维持隧道可视性的国家。在过去的30年里，日本公路隧道中的ESP使用变得更加常见。在过去十年中，在城市隧道中使用了ESP的使用，以去除外部空气质量目的的SPM。在外部环境目的中使用ESP在隧道中允许ESP安装在隧道通风建筑中。在过去的几年里，SPM去除的效率也允许开发技术以通过一系列NO_2去除技术除去二氧化氮（NO_2）。本文探讨了日本道路隧道通风和排气治疗的历史，探索了为什么在日本引入隧道隧道和/或反硝化系统。相关标准和规格也提及。

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《Internationa Symposium on Aerodynamics and Ventilation of Tunnels》|2011年||共12页
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A. Katatani; A. Dix;
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中图分类 V211-53;
关键词
Tunnel exhaust; SPM; NO_x; NO_2; Purification;

机译：隧道排气;SPM;no_x;no_2;净化;

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Ventilation and exhaust purification of motor vehicle tunnels in Japan

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