Abstract
In this paper, the cabin noise of four airport express rail systems, namely the Taiwan Taoyuan International Airport MRT, the Hong Kong Airport Express, RER B service from Paris Gare du Nord to Paris Charles de Gaulle Airport, and the Shanghai Maglev, have been measured. These four airport express rail systems have different specifications and maximum speeds, ranging from 100 to 300 km/h. The results show a significant low-frequency noise content below 100 Hz, which would not be captured if the measurements were conducted in dB(A). The difference between Leq in terms of dB(C) and dB(A) ranges from 11.3 to 17.0 dB. The maximum speed of the Taoyuan Airport MRT was found to be the lowest at 100 km/h and with the lowest Leq in terms of 66.4 dB(A) and 81.4 dB(C). The Shanghai Maglev has a maximum speed of 300 km/h but a relatively low Leq of 69.7 dB(A), although its top speed is almost three times the maximum of the other airport rail systems. It also has the lowest Lmax of 73.1 dB(A) among the four rail systems. Moreover, the Paris RER B railway system, with its top speed of 120 km/h, was measured to have the highest Leq and Lmax values of 72.8 dB(A) and 83.8 dB(A), respectively.
Highlights
The overall success of air transport and airport-based economies typically depends on several factors, such as airport facilities, ease of movement within the airport, and connectivity between cities and airports
The high-speed airport express rail systems have been successfully used in many countries to provide fast passenger rail transport from an airport to a nearby city by mainline or commuter trains, rapid transit, or light rail
This study aims to investigate the cabin noise of four airport express rail systems: the Taiwan Taoyuan International Airport MRT, Hong Kong Airport Express, RER B train service (Paris), and Shanghai magnetic levitation railway (Maglev)
Summary
The overall success of air transport and airport-based economies typically depends on several factors, such as airport facilities, ease of movement within the airport, and connectivity between cities and airports. Over the past few decades, rapid transit systems or dedicated subways have provided a potential alternative solution for transferring people from the central city to the airport and vice versa These services can quickly transport the bulk of passengers from one place to another among all types of road transports without potential traffic disruptions during peak hours. Supervision of the airport express rail system’s key aspects, including cabin temperature, seating arrangements, luggage racks, interior designs, train windows, route location map, and upcoming station announcements, are mandated. Along with these factors, the cabin noise assessment of these rail systems is vital for ensuring cabin comfort
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