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Framtagning av nyckeltal för bestämning av dagsljusprestandan hos solskyddssystem för fasader
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2019 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this paper a method for evaluating the performance of sunshades

and the controlling of the sunshades is presented. The method

evaluates the sunshades in the perspective of the availability of

useful daylight over the year in the room where the sunshades are

installed. The metric is based on a climate based daylight metric

called “Useful daylight illuminance” (UDI), which shows the fraction

of the occupied time that the illuminance in one point is within a

predefined illuminance interval. Furthermore the relation between the

presented metric and the consumption of energy was investigated.

The method is a result from a literature study. The literature used

in the study mainly consists of articles on the subject daylight in

buildings and daylight metrics.

Two different sunshade technics was evaluated with the presented

method, an electrochromic window and an external textile screen. The

simulations were made in Rhino 6 and the levels of daylight were

calculated with daylight coefficients.

According to the results the electrochromic window had a better

performance in both the availability of useful daylight and in the

consumption of energy for heating and cooling the room.

Place, publisher, year, edition, pages
2019.
Series
UPTEC ES, ISSN 1650-8300 ; 19 002
National Category
Energy Engineering Architectural Engineering
Identifiers
URN: urn:nbn:se:uu:diva-382705OAI: oai:DiVA.org:uu-382705DiVA, id: diva2:1307907
External cooperation
Ramboll
Educational program
Master Programme in Energy Systems Engineering
Presentation
2019-02-21, 13:30
Supervisors
Examiners
Available from: 2019-05-02 Created: 2019-04-29 Last updated: 2019-05-02Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • de-DE
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Output format
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