Search for dissertations about: "Jan-Erik Ögren"

Found 1 swedish dissertation containing the words Jan-Erik Ögren.

2. 1. Noise radiation from drill steels : and other experimental investigations in acoustics and fluid mechanics

   Author : Jan-Erik Ögren; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Strömningslära; Fluid Mechanics;

   Abstract : Drill rod noise has become a major noise source in percussive drilling. Generation of flexural waves, which seem to be responsible for most of the noise, is studied in a model with dynamic photoelasticity and in the real drill rod with strain gauge technique. READ MORE