Acoustic design of APT-P trailer cars part two main body structure (IM-PHYS-006)

In an earlier note, IMNOY 7, a scheme was devised for the soundproofing of the main body shell of an APT-P Trailer Car. In this revised note we have made use of a new acoustic profile around the vehicle (Das Larmproblem bei der Projekfierung von Schienenfrahrzeugen, Ivanauskas, Deutsche Eisenbahntecknik 19...