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Research on Energy Consumption Status and Energy Consumption Simulation of Emporium in Chongqing

Author: WangShuJian
Tutor: WanTiZhi；PengJiaHui
School: Chongqing University
Course: Materials Science and Engineering
Keywords: Shopping malls Architectural Energy research Energy simulation and analysis Envelope transformation
CLC: TU201.5
Type: Master's thesis
Year: 2008
Downloads: 432
Quote: 5
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Abstract


In recent years, the rapid development of large public buildings, a huge amount of energy use, along with the deepening of building energy conservation, energy efficiency has become the focus of the study. Among them, the mall building high comfort requirements, cooling a long period, energy consumption per unit area of ??the largest public buildings. But there is still no one agency can be accurately given large shopping malls in Chongqing terminal building energy-specific data can not accurately describe the characteristics of its energy consumption, limiting the large shopping malls in Chongqing renovation and new construction building energy saving technology research and application. Large shopping malls in Chongqing research work status of building energy consumption is essential. Through this paper the existing urban area of ??Chongqing sixteen large mall building research, a comprehensive analysis of the basic architectural features large mall buildings, energy consumption characteristics, energy consumption per unit area and the final energy composition and other data; selection of a sample survey Typical mall building to DEST as a secondary tool to create energy evaluation model, based on the actual usage of the building after correcting, the building's energy use reasonable judgment and reasonable measures for improvement and the effect of forecasts. Survey results showed that the sample was selected research power density 210.41 ~ 407.99KWh / m ~ 2.a between the energy level is high, a big gap between each other, the prevalence of poor thermal performance of building envelope, lighting, serious waste air conditioning design is unreasonable, operation and management of technology, not high, the energy saving potential. DEST mall building energy simulation features found in cooling energy consumption in Chongqing City, a large shopping mall building plays a dominant role in the total energy consumption. A great impact on building energy consumption toward, features mall building heating energy consumption and toward the relationship: south east> south> north. DEST simulate typical mall building load energy consumption data and survey results of comparison, the load simulation tools to obtain characteristics and energy consumption characteristics of research has a good correlation, indicating DEST simulation results with relatively high reliability. Typical mall implement different building envelope rehabilitation programs, the use of computer simulation of its energy consumption, results show that the transformation of the energy-saving effect envelope as: windows and external sun visor> Window Glass> Glass insulation> Roof Insulation> Wall insulation. Typical mall building air conditioning duct systems using different conditioning mode, energy simulation results show that the total load of hot and cold air conditioning annual cumulative changes are: the use of variable air volume ratio constant air volume decreased by 25.9%; adopt sensible heat, full heat recovery ratio of non-thermal recovery were reduced by 10.9% and 24.7%; using fixed fresh air ratio, variable fresh air ratio than the fixed fresh air ventilation air supply was reduced by 35.5% and 23.9% respectively.

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CLC: > Industrial Technology > Building Science > Architectural design > General issues > Design principles, the principles and management > Building energy efficiency design
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