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Hydraulic components contribution to total power losses and acceleration of an open loop system with long hose
Institute of Applied Hydraulics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
2004 (English)In: IMECE 2004: 2004 ASME International Mechanical Engineering Congress and Exposition, 2004, p. 243-250Conference paper, Published paper (Refereed)
Abstract [en]

This paper is concerned with forest logging machinery. A great deal of final felling in cut-to-length method done by harvester, which fells, delimbs and cuts the trees to pre-selected lengths. Two important criteria of a harvester head are that it has to be energy efficient and it has to be as fast as possible. To minimize losses in hydraulic systems the main demand is to reduce pressure losses in high power valves and outer components as much as possible. Each orifice in the flow path results in power losses. This work is an experimental study on power losses and acceleration of hydraulic motor in a system with long hoses. Main hydraulic components included are hydraulic pump, cartridge valve, pipe line and hydraulic motor. The results show that pre-activating the pump improves the system speed. To reduce losses, optimization of valve block, cartridge valve orifices are needed. Accumulators are favourable if combined with high stand-by pressure.

Place, publisher, year, edition, pages
2004. p. 243-250
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-29964DOI: 10.1115/IMECE2004-60085Scopus ID: 2-s2.0-19544391443Local ID: 39a3d6a0-65ef-11dc-8a3f-000ea68e967bISBN: 0-7918-4710-1 (print)OAI: oai:DiVA.org:ltu-29964DiVA, id: diva2:1003191
Conference
ASME International Mechanical Engineering Congress and Exposition : 13/11/2004 - 19/11/2004
Note
Godkänd; 2004; Bibliografisk uppgift: IMECE2004-60085; 20070918 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-07-10Bibliographically approved

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Isaksson, Ove

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf