Sound reflection at an open end of a circular duct exhausting hot gas
Rämmal, Hans
;
Lavrentjev, Jüri
Noise control engineering journal
2008
/
2, p. 107-114
https://www.ingentaconnect.com/content/ince/ncej/2008/00000056/00000002/art00002;jsessionid=1nroaerjhk1bh.x-ic-live-01