EntityQ11147568· pop 6· linked from 29 articlespiston effectSign in to saveforced-air flow inside a tunnel caused by moving vehiclesConnectionsYouTubeConceptInternational Standard Book NumberEntityelevatorEntitydigital object identifierEntityInternational Standard Serial NumberEntitytunnelEntityLondon UndergroundEntityaerodynamicsEntityviscosityEntityOCLC, Inc.EntityShinkansenEntityQ180686EntityTGVEntitypistonEntitybibcodeEntityQ229883Entityshock waveEntitydragEntitysuppressorEntitylongitudinal waveEntityCategoriesPhysical phenomenaRailway tunnelsTunnels