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首页> 外文期刊>Building and Environment >Multi-scale life cycle energy analysis of a low-density suburban neighbourhood in Melbourne, Australia
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Multi-scale life cycle energy analysis of a low-density suburban neighbourhood in Melbourne, Australia

机译：澳大利亚墨尔本低密度郊区社区的多尺度生命周期能量分析

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摘要

Many cities are likely to expand in the coming decades and this expansion will probably include low-density neighbourhoods. There is an increasing pressure on cities worldwide to accommodate an increasing population. It is therefore crucial to assess the energy demand and related greenhouse gas emissions implications of such development. This paper uses a representative low-density neighbourhood in Melbourne, Australia, assesses its energy consumption and greenhouse gas emissions over 100 years and investigates various scenarios related to house size, transport technology, housing typology and the temporal evolution of parameters. Results show that the energy required to produce and replace building materials and infrastructures constitutes 26.9% of the total energy consumption, while operational and transport requirements represent 39.4% and 33.7% respectively. One of the analysed scenarios reveals that replacing half of the built area of the suburb with apartment buildings reduces the total energy consumption per capita by 19.6%, compared to a typical single storey detached house layout. Regardless of the uncertainty in the data, the main conclusion is that each of the embodied, operational and transport energy demand and associated greenhouse gas emissions can be reduced in order to improve the overall environmental performance of new urban neighbourhoods.
机译：在未来的几十年中，许多城市可能会扩张，而这种扩张可能会包括低密度社区。为了适应不断增长的人口，世界各地的城市面临着越来越大的压力。因此，至关重要的是评估这种发展对能源需求和相关的温室气体排放的影响。本文使用澳大利亚墨尔本的一个典型的低密度社区，评估其100年来的能源消耗和温室气体排放，并研究与房屋面积，运输技术，房屋类型和参数的时间演变有关的各种情况。结果表明，生产和替代建筑材料和基础设施所需的能源占总能耗的26.9％，而运营和运输需求分别占39.4％和33.7％。一种分析的情况表明，与典型的单层独立式住宅布局相比，用公寓楼代替郊区一半的建筑面积可使人均总能耗降低19.6％。不管数据的不确定性如何，主要结论是，可以减少具体的能源，运营和运输能源需求以及相关的温室气体排放，以改善新城市社区的整体环境绩效。

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