Essays about: "ear protectors"

Found 2 essays containing the words ear protectors.

  1. 1. Investigation of design criteria for self-propelled mortar regarding sound pressure levels

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Simon Hallin; [2013]
    Keywords : Mortar; sound pressure measurements; ear protectors; granatkastare; ljudtrycksmätning; hörselskydd;

    Abstract : Behovet av en mer mobil granatkastare har resulterat i en utredning av möjliga koncept som sedan ska gallras bort och resultera i en investering i ett nytt fordonsmonterat granatkastarsystem. Denna rapport beskriver utredningen av en potentiell risk med ett av de potentiella koncepten. READ MORE

  3. 2. Field investigation of real-world attenuation provided by insert-type hearing proteetors

    University essay from Lunds universitet/Logopedi, foniatri och audiologi

    Author : Jenny Lindkvist; Linda Sandberg; [2002]
    Keywords : Medicine and Health Sciences;

    Abstract : The purpose of this study is to see how much attenuation the hearing protection device (HPD) wearer gets using an insert-type HPD at work in real-world situations and to see if there is a relation between how the wearer puts his HPD in place and the surrounding noise leveL Five different companies were selected and aU together there were 43 participants. The test subjects work in such an environment that the use of hearing protectors was considered necessary. READ MORE