Sökning: "Per-Arne Lindqvist"

Hittade 2 avhandlingar innehållade orden Per-Arne Lindqvist.

  1. 1. Rock fragmentation by indentation and disc cutting : some theoretical and experimental studies

    Författare :Per-Arne Lindqvist; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mining and Rock Engineering; Gruv- och Berganläggningsteknik;

    Sammanfattning : The main objective of the thesis is to increase the understanding of failure mechanisms of rock drilling and rock cutting methods in general, and rock boring by disc cutters in particular. The thesis consists of five separate papers. Paper A presents the theoretical elastic stress field of indexed indenters and some laboratory observations. LÄS MER

  2. 2. Satellite measurements of electric fields

    Författare :Per-Arne Lindqvist; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER