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Heat Transfers in an Engine's Cooling System
2012 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

For the last decades, internal combustion engine cooling systems have evolved from simple cooling to thermal management. New legislations set demands for lower exhaust emissions. Higher engine temperatures have shown to reduce fuel consumption. Today’s cooling system layouts have low precision, bringing problems in form of thermal fluctuations due to long circuit periods. On the way to increased precision in an engine’s cooling system, predictive tools for analyzing thermal behavior might play an important role. A simulation model has been improved to give accurate results in simulating a normal drive cycle in cold climate. The model is supposed to be a template for testing new layout concepts.A number of layout concepts have been tested and compared with the current layout by some different methods. It is found that there are possibilities to improve the performance in cooling systems by developing the thermostatic valve, but first a definition of which criterions designate a good cooling system is needed.

Place, publisher, year, edition, pages
2012.
Keyword [en]
Technology
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-42330Local ID: 05acde7d-9722-4af8-bb1f-a40963a0ff0eOAI: oai:DiVA.org:ltu-42330DiVA: diva2:1015550
Subject / course
Student thesis, at least 30 credits
Educational program
Mechanical Engineering, master's level
Examiners
Note
Validerat; 20120910 (anonymous)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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fulltext(2176 kB)412 downloads
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018a0b781a5b17b9f53653ac6d9f07901a74e218bcd7ba79af597830b5520be62ff266e85a175cfcc7ad8bbda84510b85e72b49449182d91e2f436804e10025a
Type fulltextMimetype application/pdf

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • 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