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A critical analysis of weld heat input measurement through a water-cooled stationary anode calorimeter
University West, Department of Engineering Science, Division of Manufacturing Processes. (PTW)ORCID iD: 0000-0002-0234-3168
University West, Department of Technology, Mathematics and Computer Science, Division for Mechanical Engineering. (Welding)ORCID iD: 0000-0003-2535-8132
University West, Department of Engineering Science, Division of Manufacturing Processes.ORCID iD: 0000-0002-1005-5895
University West, Department of Engineering Science, Division of Production Engineering. (Welding group, PTW)ORCID iD: 0000-0003-2560-0531
2016 (English)In: Science and Technology of Welding and Joining, Vol. 21, no 5, 339-350 p.Article in journal (Refereed) Published
Resource type
Text
Abstract [en]

Comprehensive models of heat transfer require specification of the total amount of heat received by the workpiece. The objective of this work was to critically examine the use of a water-cooled stationary anode calorimeter to obtain both arc efficiency and total heat input into the workpiece. For simplicity and clarity, this last quantity is called the gross heat input. The effects of current, material type and water flow rate on the calorimeter performance were determined experimentally. Some measures for reducing errors in calorimetry were evaluated. Improvements were made to reduce heat losses from the top surface of the test coupon and boost heat removal from the opposite surface. A sensitivity test was conducted to estimate the effect of measurement inaccuracies. The results demonstrate the effectiveness of calorimetry for measuring gross heat input in arc welding.

Place, publisher, year, edition, pages
2016. Vol. 21, no 5, 339-350 p.
Keyword [en]
Gross heat input, Arc efficiency, Calorimetry, Measurement uncertainties
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-9297DOI: 10.1080/13621718.2015.1112945ISI: 000376608600001ScopusID: 2-s2.0-84978388468OAI: oai:DiVA.org:hv-9297DiVA: diva2:917744
Note

Published online: 09 Mar 2016

Available from: 2016-04-07 Created: 2016-04-07 Last updated: 2017-01-03Bibliographically approved

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Hurtig, KjellChoquet, IsabelleScotti, AmericoSvensson, Lars-Erik
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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
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  • fi-FI
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  • Other locale
More languages
Output format
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