Essays about: "Small hydraulics"

Showing result 11 - 13 of 13 essays containing the words Small hydraulics.

  1. 11. Produktivitet vid selektiv mekaniserad bioenergiröjning av eftersatta röjningsbestånd

    University essay from SLU/Dept. of Forest Resource Management

    Author : Back Tomas Ersson; [2007]
    Keywords : tidsstudie; röjning; arbetsmetoder; produktion;

    Abstract : In Sweden, harvesting pre-commercial thinning (PCT) stems for energy purposes is a interesting way of financing the high cost of preparing dense stands for a profitable first conventional thinning. This concept can be labelled bioenergy thinning. READ MORE

  3. 12. Implementation and Testing of a Semi-Active Damping System

    University essay from Institutionen för ekonomisk och industriell utveckling

    Author : Peter Nordin; [2007]
    Keywords : Semi-Active; Damping; Implementation;

    Abstract : The purpose of this thesis is to implement and test a semi-active damping system based on a concept from an earlier thesis. The project includes implementation of mechanical, hydraulic and electronic hardware, aswell as controller software. READ MORE

  4. 13. Control of Water Content and Retention in Hydropower Plant Cascades

    University essay from KTH/Reglerteknik

    Author : Esbjörn Gullhamn; [2004]
    Keywords : Override Selector; State feedback Control; Saint Venant Equations; Hydropower Plant; Hydraulics Modelling.;

    Abstract : The discharge through a river hydropower plant must be controlled such that the water level at a pre-specified point close to the facility is kept within given bounds. The controllers used today have a somewhat demanding tuning and often create too much amplified, unnatural discharge variations resulting in unsatisfactory control performance. READ MORE