Open AccessACOUSTIC EMISSION DIRECTIVITY PATTERN OF THE COAXIAL PROPELLER FAN
Author(s) -
В. Ю. Усенко
Publication year - 2019
Publication title -
naukoêmnì tehnologìï/naukoêmni tehnologìï
Language(s) - English
Resource type - Journals
eISSN - 2310-5461
pISSN - 2075-0781
DOI - 10.18372/2310-5461.41.13542
Subject(s) - propeller , mechanical fan , directivity , acoustics , propulsor , coaxial , distortion (music) , engineering , marine engineering , physics , telecommunications , electrical engineering , antenna (radio) , amplifier , bandwidth (computing)