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Vätskeslag i rörsystem: Experimentell utvärdering av rörstödens samt rörets utformning och dess inverkan på vätskeslag i rörsystem 
Linnaeus University, Faculty of Technology, Kalmar Maritime Academy.
Linnaeus University, Faculty of Technology, Kalmar Maritime Academy.
2018 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Studiens syfte är att identifiera en robust ingenjörsmetodik för approximation av sannolikhet och konsekvens (risken) vid vätskeslag i ett specifikt rörsystem. Arbetet har utförts i form av kvalitativa studier med verifierande experiment av analytiska beräkningsresultat. 

Studiens resultat, vilka presenteras och diskuteras i slutsatskapitlet, visar på att vätskeslag kan predikteras och därigenom förebyggas med Joukowskys ekvation, vilken formulerades av Johannes von Kries 1883. 

I de flesta fall kan ett rörsystems konstruktion optimeras mot oönskade tryckslags-konsekvenser genom omsorgsfullt val av lämpliga rörsystemskomponenter, såsom rördimensioner, ventiler, rörkrökningsradier och rörstödskonstruktioner. 

Abstract [en]

This study’s objective has been to identify and evaluate a robust engineering method for the purpose of approximation and evaluation of a water hammer event in a specific pipe system design. 

The study has been conducted in the form of qualitative studies with verifying experiments of the results from various analytical calculations. 

The results presented and discussed in the last chapter of the essay, indicates that water hammer can be predicted and prevented by using Joukowsky's equation, formulated Johannes von Kries 1883. 

In the most circumstances, pipe systems can be optimized to prevent water hammer consequences by selection of suitable components. Such as tube dimensions, valves, tube bending radius and the tube support design. 

Place, publisher, year, edition, pages
2018.
Keywords [en]
water hammering, fluid hammering, hydraulic shock, mathematical models, liquid hammer prediction, liquid hammer handbook, pipe mounting brackets
Keywords [sv]
vätskeslag, tryckslag, tryckstöt, tryckvåg, trycktransienter, rörstöd, rörsystem, rörkomponenter
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:lnu:diva-74304OAI: oai:DiVA.org:lnu-74304DiVA, id: diva2:1205062
Subject / course
Chief Engineer
Educational program
Marine Engineering Programme (4 years) with onboard practical training placement, 180 credits
Supervisors
Examiners
Available from: 2018-05-14 Created: 2018-05-09 Last updated: 2018-05-14Bibliographically approved

Open Access in DiVA

fulltext(1608 kB)49 downloads
File information
File name FULLTEXT01.pdfFile size 1608 kBChecksum SHA-512
eec709fc4a3511b551081fd6b0f8e7ad61a52a67442685e471acb4378748346197afbfebfbfbc92c43a4ba7eb2fb06049e1888ae7bbac939add753b80816e3bd
Type fulltextMimetype application/pdf

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Rhedin, KristofferMattsson Sjödin, Simon
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CiteExportLink to record
Permanent link

Direct link
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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