Search for dissertations about: "shear modulus ultrasound"

Found 2 swedish dissertations containing the words shear modulus ultrasound.

2. 1. Online fibre property measurements : foundations for a method based on ultrasound attenuation

   Author : Yvonne Aitomäki; Richard Challis; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industriell elektronik; Industrial Electronics;

   Abstract : This thesis presents the foundations of a method for estimating fibre properties of pulp suitable for online application in the pulp and paper industry. In the pulp and paper industry, increased efficiency and greater paper quality control are two of the industry's main objectives. READ MORE

4. 2. Towards a measurement of paper pulp quality : ultrasonic spectroscopy of fibre suspensions

   Author : Yvonne Aitomäki; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

   Abstract : For the paper and pulp industry in Sweden and Finland to remain competitive against countries with lower overheads, they have to constantly strive to improve the quality and the efficiency of the manufacturing processes. One of the ways of doing this is to introduce sensors that will provide valuable online feedback on the characteristics of the pulp so that adjustments can be made to optimise the manufacturing process. READ MORE