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Värmehantering - Datorstödd dimensionering av kapsling för batteriladdare
Dalarna University, School of Technology and Business Studies, Mechanical Engineering.
2017 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Thermal Management – Computer aided dimensioning of encapsulation for a battery charger (English)
Abstract [sv]

I detta examensarbete har möjligheten att integrera en värmesänka i en kapsling för en batteriladdare undersökts. För att hantera den värmelast som utvecklas av de interna komponenterna har en ”plate-finned” värmesänka dimensionerats. Vidare har två designkoncept utvecklats, med två olika värmesänkor integrerade i designen. Koncepten har sedan simulerats i Solidworks Flow Simulation för att identifiera yttemperaturer, komponentkylning samt strömning- och strålningsförhållanden. Resultaten från beräkningar och simuleringar visar att båda koncepten vid en omgivningstemperatur på 30ᵒC, presterar en tillräcklig värmeöverföring för att hålla komponenternas arbetstemperatur under 93ᵒC. Batteriladdarens kapsling skulle enligt de simulerade resultaten ha en maximal temperatur på 54ᵒC. För vidareutveckling har ett koncept där värmesänkan täcks av ett lock, rekommenderats.

Abstract [en]

In this thesis-work, the possibility of integrating a heat sink in the encapsulation of a batterycharger has been investigated. To manage the thermal load, a plate-finned heat sink has been dimensioned. Two design concepts have been developed, with two different heat sinks integrated in the design. The concepts thermal performance has been simulated in Solidworks Flow Simulation to identify surface-temperatures, component-cooling, flow conditions and radiation. The results from the calculations and the simulations shows that both of the concepts, at an ambient temperature of 30ᵒC, performs a sufficient heat flux to keep the internal components under 93ᵒC. The battery-charger’s encapsulation temperature would not exceed 54ᵒC under these conditions. For further development, a concept with the heat sink covered by a “lid” has been recommended.

Place, publisher, year, edition, pages
2017.
Keyword [en]
Thermal management, dimensioning, flow simulation, plate fin, heat sink, encapsulation
Keyword [sv]
Värmehantering, dimensionering, flow simulation, plate-fin, värmesänka, kapsling
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:du-26304OAI: oai:DiVA.org:du-26304DiVA: diva2:1142718
Available from: 2017-09-20 Created: 2017-09-20

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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