Essays about: "Johan Hedekäll"

Found 1 essay containing the words Johan Hedekäll.

1. 1. High frequency vibrations in chipping hammers

   University essay from KTH/MWL Strömningsakustik

   Author : Johan Hedekäll; [2011]
   Keywords : ;

   Abstract : Percussive tools such as chipping hammers, riveting hammers and concrete breakers produce shock-type (impact) vibrations with large amount of vibration energy in the high frequency region (kHz). Reported injuries from shock-type and high frequency vibrations are higher  occurrence of vascular disorders, myelin disruption, edema and reduced motor performance. READ MORE