Search for dissertations about: "fluid power efficiency"

Showing result 1 - 5 of 126 swedish dissertations containing the words fluid power efficiency.

2. 1. Mobile Fluid Power Systems Design : with a Focus on Energy Efficiency

   Author : Björn Eriksson; Jan- Ove Palmberg; Heikki Handroos; Linköpings universitet; []
   Keywords : TECHNOLOGY; TEKNIKVETENSKAP;

   Abstract : This work deals with innovative energy efficient fluid power systems for mobile applications. The subjects taken up concern to what extent and how energy losses can be reduced in mobile working hydraulics systems. Various measures are available for increasing energy efficiency in these kinds of systems. READ MORE

4. 2. Numerical Optimization of a propeller in a given wake and behind a ship

   Author : Kaijia Han; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; propeller geometry; pressure fluctuation; correction; full scale; efficiency; RANS; cavitation; grid density; verification; delivered power; optimization; Hamburg test case; iteration number;

   Abstract : The work presented in this thesis includes two stages in a research project at the Rolls-Royce University Technology Center (UTC) at Chalmers Technology University. The objective of the project is to develop an optimization technique for ship/propeller interaction. READ MORE

5. 3. Fluid Power Systems for Mobile Applications : with a Focus on Energy Efficiency and Dynamic Characteristics

   Author : Mikael Axin; Petter Krus; Birgitta Lantto; Linköpings universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Abstract : This thesis studies an innovative working hydraulic system design for mobile applications. The purpose is to improve the energy efficiency and the dynamic characteristics compared to load sensing systems without increasing the complexity or adding additional components.The system analysed in this thesis is referred to as flow control. READ MORE

6. 4. On valve controlled fluid power systems : flow amplifier and percussive rock drilling

   Author : Henrik Pettersson; Matti Vilenius; Linköpings universitet; []
   Keywords : ;

   Abstract : This thesis discusses how the design of hydraulic systems and components can be made to meet the demands of a future market in terms of efficiency, flexibility and cost. It also discusses how computer simulation can support the designer to get a higher knowledge of the system and to make the design phase more efficient. READ MORE

7. 5. Complex Cavity Analysis : Analytical Fluid-Power Models Using CAD Information

   Author : Magnus Sethson; Richard T. Burton; Linköpings universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Abstract : This thesis covers different methods of topology search for making time-domain simulation models based on geometric information. The application is in the field of fluid-power. Automatic methods for extracting simulation models from CAD data are presented. READ MORE