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1015 Uppsatser om Utilizing waste heat - Sida 31 av 68
Effektiv lagerstyrning genom tillförlitlig prognostisering : Effective inventory control through reliable forecasting
This study was done regarding whether sealing or ventilation is the best solution to prevent moisture on cold attics. The authors of this report addressed the problem with moisture in attics when they started their cooperation with Peab.The methods included interviews with people, database research, and calculations of a project in Akersberga north of Stockholm. The conclusion is based on interviews and other information as they are analyzed in relation to the house of reference. The focus of this report is on problems with moisture in the attics known as cold attics.The background of the problem with moisture is that today?s slabs are usually insulated to save energy and that the attics nearly gives the climate as the outdoor climate.
Ett dedikert sportprodukt till klatring for mennesker med amputert arm
The purpose of this study is to facilitate sustainable building by the use of BIM. The goal is to determine which aspects of sustainable building, which can be analyzed mainly with BIM tools, but also other aids.The study is based on literature studies and interviews. The literature review examines aspects important for sustainable building by studying environmental certification systems applicable in Sweden, as well as the BIM tools available on the market to analyze these aspects. The literature also includes the concepts of BIM and sustainability in order to provide a clearer view of its meaning. The interviews have brought the study's overall understanding of the industry and guidance on the subject.The results are presented in a table, where the aspects relevant to sustainable building are listed.
Kalhygge : Skåpets källa
Mitt examensarbete fra?n Designprogrammet ? ha?llbar utveckling, a?r en under- so?kning av flera dimensioner. Det o?vergripande arbetet a?r ett platsspecifikt insamlande av framtida visioner hos inva?nare, kommun och kreato?r. Visualiseringen involverar samtliga av de ovan na?mnda parterna i skapandet av en ny mo?tes- plats i ett medialt kategoriserat miljonprogramsomra?de.
Nollenergihus i Borlänge : Är det möjligt med biomassa, solenergi och vindkraft?
This report is of technical character and treats how to plan a small building in Borlänge, Sweden.The technical components that have been treated in the report are the construction, foundation,installations and thermic abilities of the house. In addition to planning this house the report alsocontains a part that deepens in net zero energy buildings. The purpose of the report is toinvestigate if the house in Borlänge can be constructed to meet net zero energy buildingdemands.Energy efficient houses such as passive- and net zero energy houses are showing more frequenton the market in Sweden. Ongoing climate changes and growing consciousness about theenvironment in society have contributed to that the environment is a well discussed topic. Toconsume small amounts of energy and at the same time produce local energy is thereforesomething that lies in the future and future houses.
Animaliska restprodukter vid köttproduktion : Effektiv användning och livsmedelspotential
This master thesis aims to investigate and quantify the potential associated with increasing the usage of edible by-products as food for human consumption on the Swedish market. The main emphasis is on the Swedish production of offal and the obstacles that currently inhibit greater usage of these products as foods.The results indicate that the Swedish market for offal is limited. Only a small amount of the edible by-products that are produced in Sweden every year are consumed as foods and a considerable amount seem to be downgraded into animal feed or thrown away. The utilization of these products is restricted by economical, technical, legal, and cultural factors that all need to be taken into consideration. On the whole, large-scale slaughter plants seem to be more inclined to utilize these products effectively, as the profit from doing so increases proportionately to the produced volumes.
Aquaculture effluents as fertilizer in hydroponic cultivation : a case study comparing nutritional and microbiological properties
This paper evaluates the prospects for utilizing aquaculture effluents as a nutrient source in organic hydroponic, as is the case in aquaponics. The development of organic hydroponics is dependent on replacing synthetic fertilizers with organically derived nutrients, such as those found in aquaculture effluents. Also, in hydroponic cultivation the establishment of a plant pathogen suppressive micro flora is part of the plant protection strategy. Therefore, both nutritional and microbial qualities of aquaculture water and organic hydroponic nutri-ent solution were analyzed and compared. Results showed both aquaculture water and or-ganic hydroponic solution to be deficient in a number of essential elements, although or-ganic hydroponic solution was closer to recommendations.
Energibalansen för ett nytt flerbostadshus i Mellansverige : Beräkningar intervjuer och analys av energikraven i Boverkets Byggregler
Abstract This degree project comprises 30 credits, i.e. 20 weeks of work. The work mainly deals with the energy balance for a multi-family house in Västerås and the requirements for energy conservation in the Swedish building code, BBR. Calculations of the energy balance are supplemented by a number of interviews. Energy conservation in general has become more important in recent years and the subject is in line with increased public awareness. This importance and attention is explained by environmental problems in general and global warming in particular, but also by rising energy prices.
Ödebygdsmusik : att gräva där man står
Mitt examensarbete fra?n Designprogrammet ? ha?llbar utveckling, a?r en under- so?kning av flera dimensioner. Det o?vergripande arbetet a?r ett platsspecifikt insamlande av framtida visioner hos inva?nare, kommun och kreato?r. Visualiseringen involverar samtliga av de ovan na?mnda parterna i skapandet av en ny mo?tes- plats i ett medialt kategoriserat miljonprogramsomra?de.
Laktester för riskbedömning av förorenad mark :
Using leaching test is a way to get a picture of pollutants retention and leaching in a risk assessment on contaminated land. There are several different types of standardised leaching tests today, where the natural leaching processes are speeded up to make it possible to predict the leaching of pollutants. These leaching tests have been developed for waste and there are no specific guidelines on how to judge the results from the tests, when making a risk assessment on contaminated land. This work is an investigation on how to use leaching test in this type of risk assessments. The strengths and weaknesses of the different types of tests are discussed.
Depending on what type of information you want from your leaching test, different types of tests are suitable.
Energieffektiv processventilation för aluminiumvarmvalsverk
Syftet med detta examensarbete har varit att genomföra en nulägesanalys av Hall 7 på Sapa Heat Transfer AB i Finspång. Utifrån nulägesanalysen togs åtgärdsförslag fram som kan generera en effektivare uppvärmning, mindre yttre utsläpp och behagligare arbetsklimat. Problemet i Hall 7 är att processventilationen för varmvalsverk 2051 är ålderstigen och underdimensionerad, den saknar även värmeåtervinning och rening av processfrånluften. Detta leder till oplanerade driftstopp, höga underhållskostnader samt hög energianvändning.För att finna åtgärdsförslag för dessa problem genomfördes en nulägesanalys av Hall 7 genom att mäta luftflöden och temperaturer, analysera utsläppsmätningar och energianvändning samt intervjua personal.Utifrån dessa mätningar har fyra olika åtgärdsförslag tagits fram. De fyra åtgärdsförslagen är benämns: YIT, YIT (Enklare), Homehall och Ökad tilluft.Det åtgärdsförslag som anses vara bäst lämpat för att generera en effektivare uppvärmning, ge mindre yttre utsläpp samt ett behagligare arbetsklimat i Hall 7 är åtgärdsförslag Homehall.
Tätning eller ventilering mot fukt på kalla vindsutrymmen
This study was done regarding whether sealing or ventilation is the best solution to prevent moisture on cold attics. The authors of this report addressed the problem with moisture in attics when they started their cooperation with Peab.The methods included interviews with people, database research, and calculations of a project in Akersberga north of Stockholm. The conclusion is based on interviews and other information as they are analyzed in relation to the house of reference. The focus of this report is on problems with moisture in the attics known as cold attics.The background of the problem with moisture is that today?s slabs are usually insulated to save energy and that the attics nearly gives the climate as the outdoor climate.
Kompostering i kommunal regi: en fallstudie i Arvika Parkf?rvaltning
Arvika Fastighets AB is a municipal subsidiary tasked with managing all green areas in the
municipality, with a strong focus on the City Park and plant beds in the city centre. These areas
generate large amounts of green waste, which is currently transported to the municipality's
composting area at Lycke. Currently, the material is piled up and turned once a year without using
the resulting soil for flowerbeds, lawns, and shrub/tree plantings. The purpose of the study is to
determine if Arvika can compost the green waste in a more efficient manner and produce weed-free
soil ready to be mixed into various substrates for different purposes. Interviews with the Swedish
Church and several municipalities in Sweden have been conducted to learn from their experiences
and knowledge of how they make their composting work.
Systemlösningar för plus- eller passivhus : En studie med syftet att lösa energibehovet för ett specifikt hus.
The purpose of the house which is the basis of this report is to be able present itself on the market as a relatively cheap and at the same time a climate friendly choice. The house is supposed to be able to be built anywhere in Sweden and the rest of Scandinavia in a short period of time. This puts demand on what kind of heating system the house can have, since not all places have the geographic advantage of being able to use geothermal or district heating. Therefore the heating system choices will only include those that are not limited by their geographic location. The house will be built in modules which only require the groundwork to be done before the house can be erected. In this report "System solutions for plus or passive-housing" a comprehensive literature search has been conducted as well as a number of calculations.
BIM för Hållbart Byggande
The purpose of this study is to facilitate sustainable building by the use of BIM. The goal is to determine which aspects of sustainable building, which can be analyzed mainly with BIM tools, but also other aids.The study is based on literature studies and interviews. The literature review examines aspects important for sustainable building by studying environmental certification systems applicable in Sweden, as well as the BIM tools available on the market to analyze these aspects. The literature also includes the concepts of BIM and sustainability in order to provide a clearer view of its meaning. The interviews have brought the study's overall understanding of the industry and guidance on the subject.The results are presented in a table, where the aspects relevant to sustainable building are listed.
Varför uppförs så få bostadsrätter med passivhusstandard i Sverige? : En fallstudie mellan ett passivhus- och en konventionell fastighet
Abstract Background: In 1997 the Kyoto Protocol was signed, it?s an international agreement which is aimed to reduce greenhouse gas emissions. Sweden's goal is to reduce energy using in buildings with 20 percent by 2020 and 50 percent by 2050. This is a comparison with levels from 1995 (Glad, 2006). For Sweden to be able to reach its goals, they need to construct more low-energy buildings (Åhman, Wahlström & Lundblad, 2010).