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Befuktning: Installationer, processer och hälsofördelar.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Technology and Design.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Technology and Design.
2017 (Swedish)Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesisAlternative title
Humidification : Installations, processes and health benefits. (English)
Abstract [sv]

Det finns tydliga hälsofördelar med en relativ fuktighet på 40–60% inomhus. Trots detta finns det idag inga direktiv på hur man ska styra den relativa fuktigheten inomhus. Många gånger diskuteras det kring avfuktning men i denna rapport tas befuktning upp ur ett hälsoperspektiv.I denna studie har det undersökts huruvida befuktningssystem skulle kunna användas i större utsträckning till fördel för människors hälsa.I rapporten redogörs för olika befuktningmetoder samt deras termofysiska processer - adiabatisk eller isotermisk. Dessutom undersöks vad som händer med energin i luften och vattenångan vid olika temperaturer samt vad olika relativ fuktighet har för hälsomässiga för- och nackdelar.Resultatet visar på att det finns både etablerade befuktningssystem samt ett behov av befuktning. Däremot är efterfrågan av befuktning inte speciellt stor i bostäder och branschen ställer sig negativ till befuktning i ventilationssystem.

Abstract [en]

There are clear health benefits of having a relative humidity between 40–60% indoors. Despite this, there are currently no directives on what level the relative humidity should be indoors. Today dehumidification is a common matter but this report is about humidification, from a health perspective.In this study, it has been investigated whether humidification could be used to a greater extent, to the benefit of humans’ health.This report describes various humidification methods and their thermophysical processes - adiabatic and isothermal. It is also explained what happens to the energy in the air and water vapor at different temperatures and how the relative humidity affects our health at different levels.The result shows that there is a need for humidification and that there are several technical solutions available today. However, the demand is low and the industry is not very positive to the idea of humidification in ventilation systems.

Place, publisher, year, edition, pages
2017. , p. 27
Series
Examensarbete Byggnadsteknik ; BP2017;08
Keywords [en]
Humidification, relative humidity, evaporative, sorptive, sick building syndrome
Keywords [sv]
Befuktning, relativ fuktighet, evaporativ, sorptiv, sjuka hus-sjukan
National Category
Construction Management
Identifiers
URN: urn:nbn:se:kth:diva-215298OAI: oai:DiVA.org:kth-215298DiVA, id: diva2:1147594
Subject / course
Building Services Engineering and Energy
Educational program
Bachelor of Science in Engineering - Constructional Engineering and Design
Supervisors
Examiners
Available from: 2017-10-06 Created: 2017-10-06 Last updated: 2017-11-01

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Citation style
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