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UID:0-273@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20210215T123000

DTEND;TZID=Asia/Jerusalem:20210215T133000

DTSTAMP:20230525T065150Z

URL:https://aerospace.technion.ac.il/events/measurement-and-assessment-of-
 aerodynamically-generated-noise-inside-an-airborne-structure/

SUMMARY:Measurement and assessment of aerodynamically generated noise insid
 e an airborne structure
DESCRIPTION:Lecturer:Matan Mendelovich\n Faculty:Department of Aerospace En
 gineering\n Institute:Technion – Israel Institute of Technology\n Locati
 on:https://technion.zoom.us/j/99708099172\n Zoom: \n Abstract: \n Details:
  \n During the design phase of a project\, each airborne system is designe
 d and tested in order to demonstrate it can perform under different enviro
 nmental loads. Acoustic noise is one of the environmental loads that may l
 ead to a failure of the system - mainly in electronic equipment\, sensors\
 , MEMS components etc. During the design\, the designer must take into acc
 ount the acoustic noise inside an airborne system in order to make sure th
 at the product can perform according to its requirements. A reliable tool 
 is needed in order to define the acoustic noise level and spectrum inside 
 an airborne structure. The aim of this thesis is to provide an algorithm t
 hat will allow estimation of the acoustic noise inside an airborne structu
 re. In order to do so\, the study is divided into two parts. One is estima
 tion of the external acoustic noise (wall pressure). Estimation of the ext
 ernal acoustic noise will enable the designer to perform FE simulation or 
 to use different "thumb rules" in order to estimate the internal acoustic 
 noise. It will also provide the designer the ability to perform laboratory
  acoustic noise tests\, in which he can simulate the external acoustic noi
 se outside the structure. On the second part\, an algorithm that allows es
 timation of the acoustic noise inside the structure based on the structure
 's vibrations measurements will be suggested. In order to allow estimation
  of the external and internal noise\, this study is based on two experimen
 t's configurations. One is a wind tunnel experiment\, in which the suggest
 ed models and algorithms could be tested at different velocities and in co
 ntrolled environment. The second is a flight experiment\, in which the env
 ironmental conditions are more realistic then the wind tunnel experiment\,
  but much harder to control.\nZoom Meeting
CATEGORIES:Seminars
LOCATION:https://technion.zoom.us/j/99708099172

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