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Evaluation of energy performance and cost of different energy saving solutions in residential buildings of China
KTH, School of Industrial Engineering and Management (ITM), Industrial Ecology.
2007 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This report reviewed Chinese building energy and related codes, directives and guidelines and compared them with Swedish ones. It also provides general information on residential buildings in China (area, height, layout, etc.) and describes building envelope insulation status and market there (window, exterior walls and roof) and energy related characteristics (heating, heating fee system, cooling and ventilation).

This report is targeted towards governmental organizations in Wuhai city in Inner Mongolia of China since this thesis is project (Sino-Swe project) based research and Wuhai city is the place where the project is being carried out. A one week trip to Wuhai city was done during the research time and information concerning aspects such as market, energy saving status and residents’ attitudes were collected through interviews, organized meetings and on-site investigation.

Data collected from national level and Wuhai city are combined to support simulation of energyperformance of a model building in Wuhai. Two tools are employed to calculate energyconsumption. One is Dest, developed by Institute of Building Environment and Building Services,Tsinghua University, Beijing, China and has been used in various prestige large structures such as State Grand Theatre. The second one is Standardized Method, proposed by Heating, ventilation and air conditioning design code. It is a traditional and simple energy calculation method and can be realized by Excel. Nowadays, instead of directly using it, its calculation concepts and steps are integrated into different commercial calculation softwares but in a more complex way.

Different envelope types, heating methods, ventilation systems are evaluated and building energy consumption for heating and corresponding initial investment and operation cost are calculated. Then life cycle cost methodology is applied to compare different alternatives and those alternatives, according to their payback time, are located into different categories. From the calculation the following figure is obtained and suggestions are made.

Place, publisher, year, edition, pages
2007. , 70 p.
Trita-IM, ISSN 1402-7615 ; 2007:29
National Category
Social Sciences Interdisciplinary
URN: urn:nbn:se:kth:diva-32805OAI: diva2:412001
www.ima.kth.seAvailable from: 2011-05-04 Created: 2011-04-20 Last updated: 2011-05-04Bibliographically approved

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