Abstract
Air-shaft entrance hood model with fence is investigated to reduce micro pressure wave in a single-track tunnel of the high-speed railway. Aerodynamically designed airshaft hoods are classified by 5 cases according to fence types and the micro pressure waves are measured by the low frequency sound level meters installed at a tunnel exit of a moving model test rig with a scale ratio of 1/64. Based on the case of no hood model, 5 different hood models were tested and analyzed for the speed of a model train from 180 km/h to 250 km/h.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Paper version not known
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
