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En studie om hur interiöra miljöer kan undersökas via ELF-metoden
Jönköping University, School of Engineering, JTH, Civil Engineering and Lighting Science. (Grupp 55)
Jönköping University, School of Engineering, JTH, Civil Engineering and Lighting Science. (Grupp 55)
2022 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
A study about how interior environments can be studied via the ELF-method (English)
Abstract [sv]

Syftet har varit att undersöka hur olika interiöra miljöer kan återges med ELF-metoden (Environmental Light Field Method) och om resultaten skiljt sig åt i olika miljöer. Studien har genomförts som ett experiment på Jönköpings Tekniska Högskola och insamling av data har skett i lektionssalar, entré, bibliotek och utomhus genom en kvantitativ metod. Insamlade data genom ELF-metoden består av foton, diagram och mätresultat. ELF-resultaten har jämförts med rummens uppmätta belysningsstyrkor, spektralfördelningar och utredarnas upplevelse av rummen som presenterats genom skisser. Resultatet visar att ELF-metoden fungerar som en kombination av de andra mätmetoderna. Styrkan är att resultatet ger en samlad bild av miljön med hänsyn till ytfärger, intensitet och dagsljusinsläpp men dess nackdelar är att det idag är initialt tidskrävande samt att det endast går att utvärdera befintliga miljöer. Slutsatsen är att metoden i framtiden kan komma att bli lämplig för utvärdering av belysning och dagsljus i interiöra miljöer, när metoden för insamling och hantering av data har utvecklats och effektiviserats.

Abstract [en]

The purpose has been to investigate how different interior environments can be reproduced with the ELF method (Environmental Light Field Method) and whether the results differ in different environments. The study was conducted as an experiment at Jönköping University and data collection was done in classrooms, entrances, libraries and outdoors through a quantitative method. Collected data consists of photos, diagrams and measurement results. The ELF-results have been compared with the illuminance in the rooms, the spectral power distribution and the investigators experienced the room which is presented with sketches. The results show that the ELF method works as a combination of other measurement methods. The strength is that the result gives an overall picture of the environment regarding to surface colors, intensity and daylight input, but its disadvantages are that today it is initially time-consuming and that it is only possible to evaluate existing environments. The conclusion is that the method in the future may be suitable for evaluating lighting and daylight in interior environments when the method for collecting and processing data has been developed and streamlined.

Place, publisher, year, edition, pages
2022. , p. 68
Keywords [en]
ELF-method, daylight, interior light, light, classroom, illuminate, light in classrooms, circadian light, ancient vision
Keywords [sv]
ELF-metoden, dagsljus, interiört ljus, ljus, klassrum, belysning, klassrumsbelysning, cirkadiskt ljus, ursprunglig syn
National Category
Engineering and Technology Other Civil Engineering
Identifiers
URN: urn:nbn:se:hj:diva-58441ISRN: JU-JTH-PRU-1-20220322OAI: oai:DiVA.org:hj-58441DiVA, id: diva2:1694298
Subject / course
JTH, Product Development
Supervisors
Examiners
Available from: 2022-09-09 Created: 2022-09-08 Last updated: 2025-10-13Bibliographically approved

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Wetterström Stålarm, MariaArvidsson, Sofia
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