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Utsugande köksfläktsystem: För passivhus
University of Skövde, School of Technology and Society.
University of Skövde, School of Technology and Society.
2011 (Swedish)Independent thesis Basic level (degree of Bachelor), 20 credits / 30 HE creditsStudent thesisAlternative title
Kitchen exhaust fan system : For energy saving houses (English)
Abstract [sv]

Hus byggs idag allt tätare för att möta högre miljökrav, ställda av både konsumenter och politiker. När hus byggs täta minskar luftläckaget genom klimatskalet. Tack vare det sänks energiåtgången då nästan all luft styrs genom en värmeväxlare. Tätheten i de nya husen har lett till att utsugande köksfläktar inte fungerar som de ska, beroende på att de behöver mycket luft. I detta projekt utvecklades ett utsugande köksfläktsystem för passivhus, de allra tätaste husen på marknaden. Resultatet blev en utsugande köksfläkt som hela tiden tillförs luft utifrån huset. Tilluften sugs in i huset med hjälp av det undertryck som köksfläkten skapar, luften sprutas in i kåpan och sugs sedan ut ihop med matoset. För att hålla nere energiförbrukningen användes en svag köksfläkt. För att hjälpa fläkten att fånga upp matoset är fläktkåpan utformad för att utnyttja ejektorverkan och coandaeffekten. Under projektet utvecklades även en värmeväxlare som tar tillvara på värmen i frånluften.

Abstract [en]

Today houses are built more airtight to meet higher environmental standards, initiated by both consumers and politicians. When houses are built airtight it reduces air leakage through the building, which gives reduced energy consumption since almost all air is guided throw a heat exchanger. Since the new houses are very airtight it has caused extractor hoods to work improperly, because they need a lot of air. In this project a extractor hood system has been developed for passive houses, which are the most airtight houses on the market. The result was an extractor hood which is constantly getting air from outside the house. The air from outside is sucked into the house because of the vacuum created by the extractor hood, the air is injected into the hood and then sucked out together with the cooking odors. In order to minimize the energy consumption a weak extractor fan was used. To help the fan capture the cooking fumes, the hood is designed to use ejector- and coandaeffect. During the project a heat exchanger was also developed, which transfer the heat from the cooking odors to the air from the outside.

Place, publisher, year, edition, pages
2011. , p. 59
Keywords [en]
kitchen exhaust fan system, energysaving house, coanda
Keywords [sv]
köksfläkt, fläkt, passivhus, utsugande, fläktsystem, matos, coanda, ejektorverkan
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:his:diva-5068OAI: oai:DiVA.org:his-5068DiVA, id: diva2:423153
Subject / course
Product Design Engineering
Educational program
Product Design Engineer
Presentation
2010-06-28, G 315, Högskolevägen, Skövde, 14:00 (Swedish)
Uppsok
Technology
Supervisors
Examiners
Available from: 2011-06-20 Created: 2011-06-14 Last updated: 2011-06-20Bibliographically approved

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CiteExportLink to record
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