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No description available.

In rural Scotland there has been a trend over the last 40 years towards mass market housing development which employs standardised housing models and suburban planning layouts. These have little relationship to rural landscape characteristics, regional climatic variations or historic rural communities. While they comply with current building standards, they fall significantly short of proposed improvements for energy performance which require all new homes to be ‘Zero Carbon’ by 2016/17 if practical and the European target of ‘Nearly Zero Energy Homes’ by the end of 2020. It is recognised that changes in legislation to reach these targets are falling behind schedule and energy analysis methods are flawed due to outdated calculation methodologies and imprecise climate data. This research firstly provides an in-depth context for rural housing provision outlining the drivers and legislative requirements. The first section of the literature review investigates planning and current practice in housing, whilst the second section outlines the requirements for improved energy efficiency from the European to Scottish contexts. The research then goes on to quantify the effects of regional climatic variation, in nine areas across Scotland, on space heating energy demand (SSHD). It utilises a best practice ultra-low energy housing prototype to demonstrate the requirement for regional solutions. All of the studies use a customised version of the Passivhaus Planning Package, an industry leading energy quantification methodology for heating energy calculations. A series of studies define the design envelope for achieving regional solutions by quantifying the relationship between the variation of design and form on the SSHD in the extremes of the Scottish regional climates. The variables relate to common metrics: orientation, glazing areas, roof forms and building typology. A separate study also compares the effect of Zero Carbon Homes and Passivhaus performance specification on SSHD. This method is developed further to determine the effect of building design on SSHD and heat load using seven contemporary Scottish Government exemplar housing designs. Improvements to the energy efficiency of these designs are made by considering variations to orientation and glazing design which are then discussed in relation to their impact on design quality. The results of the research demonstrate an increase of 81% in SSHD caused by regional variation across Scotland with up to a 29% increase from the UK average climate used in the UK’s legislative analysis method SAP. This requires significant increases in insulation levels to retain SSHD performance. Alterations to the buildings orientation demonstrate an increase of 165% SSHD when deviating 180° from south, which is significantly higher than guidance suggests. The analysis of existing exemplar designs demonstrate a threefold increase in SSHD due to building form and orientation in some designs. The optimisation of the same designs illustrates a 45% reduction in SSHD through improved orientation and glazing design. This thesis contributes to improving design thinking and assessment methodologies for new rural Scottish housing by highlighting the importance of climatically responsive design along with the consideration of appropriate energy efficient forms. The results of the thesis contribute to the debate surrounding the appropriate response of new housing in rural Scottish environments and highlights the importance of regional approaches and passive solar design for reduced housing energy use. This thesis contributes original knowledge on the effects of Scottish climate and building form on the SSHD of ultra-low energy housing in Scotland. The extent to which a number of principle architectural planning and design parameters can be varied and optimised across different climatic regions will give architects and designers a more quantitative understanding of their design decisions and impact on space heating energy performance across Scotland.

This work is about sustainability design. I design low energy skyscaper in ostrava. This building is 80m hight.

Avhandlingen behandlar byggprocesser i södra Sverige som hade ambitionen att åstadkomma lågenergihus liknande den tyska passivhusstandarden. Syftet med avhandlingen är att öka förståelsen för processer i införandet av ett energikoncept. Energikonceptet betraktas som en innovation för användning i en sektor som av många beskrivs som konservativ och inte särskilt mottaglig för innovationer. Byggprocesserna studeras genom att händelser rekonstrueras med hjälp av berät-tande källor såsom intervjuer och protokoll från olika möten. Även observationer har använts där tillfälle funnits. Fokus riktas mot hur arbetet organiserades och beslutsprocessen bakom valet av teknik till konceptet. Även massmedias rapporte-ring om byggprocesserna har studerats och hur deltagarna i byggprocesserna marknadsförde energikonceptet. Införandet av energikonceptet kan förstås som transformationer eller om-formningar. Omformningarna bestod av fem grundläggande aktiviteter som med Hägerstrands tidsgeografiska begrepp kallas: lösgörning, formning, hopsättning, transportering och lagring. Energikonceptet lösgjordes från ett specifikt lokalt sammanhang och transporterades till ett annat där det formades för att passa nya förutsättningar och sattes ihop till ett nytt energikoncept. Det nya energikonceptet lagrades i ett nytt hus. Genom att följa människors och teknikers trajektorier kunde slutsatser angående energikonceptets svagt och starkt kopplade delar dras. De starkt kopplade delarna är byggherrens organisering av arbetet som skulle underlätta en starkare styrning. Sinnliga upplevelser av lagrade energikoncept hade betydelse för användandet. Solfångare visade sig vara en svagt kopplad teknik och behövde teknikbärare för att användas. / This thesis explores building processes in the south of Sweden with the aim to accomplish low energy housing in accordance with the German standard for passive houses. In this thesis, the passive house is regarded as an innovative en-ergy concept which has been introduced to Sweden and to a conservative sector. The purpose of the study is to provide an understanding of processes in the im-plementation of an innovation for energy-saving dwellings. The process is recon-structed with data from interviews, minutes, articles, reports, etc, and presented as stories of different sequences including how the housing projects were organised, how the energy concept was established among the participants, how decisions were made and what messages were presented about the energy concept in mass media. The energy concept is followed in a process of transformation where it was subject to five fundamental acitivites: decomposition, moulding, composition, transportation and storage. The concepts originate from a time-geography per-spective, founded and developed by the Swedish geographer Torsten Hägerstrand. The energy concept was decomposed at a specific local context and transported to another, where it was moulded and composed into a new energy concept. The new energy concept was stored in a new setting. By following the trajectories of peo-ple and technologies, conclusions about the energy concept can be drawn. The building proprietors chose less conventional ways of managing the building proc-ess in order to have more control. The projects were started by people who them-selves had their own experience of passive houses. Solar collectors were loosely coupled to the energy concept and needed technology carriers.