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The Evolving Carbon Balance of High-Performance Buildings.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Evolving Carbon Balance of High-Performance Buildings./
作者:	Yarnell, Adam.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	45 p.
附註:	Source: Masters Abstracts International, Volume: 83-12.
Contained By:	Masters Abstracts International83-12.
標題:	Architectural engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29213187
ISBN:	9798834000921

The Evolving Carbon Balance of High-Performance Buildings.
Yarnell, Adam.

The Evolving Carbon Balance of High-Performance Buildings. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 45 p.

Source: Masters Abstracts International, Volume: 83-12.

Thesis (M.Des.)--Harvard University, 2022.

This item must not be sold to any third party vendors.

Highly operationally-efficient buildings typically require significant embodied flows to guarantee low energy consumption. To highlight this tension, an operational energy simulation of a prototypical mid-rise apartment was equipped with all-electric heating, ventilation, and air conditioning (HVAC) systems. The building was then upgraded from the comparatively under-performing ASHRAE 90.1-2004 standard to the higher-performing PHIUS 2021 certification, while the grid that supplied the building was simulated with aggressive, moderate, and business-as-usual emissions intensity scenarios. To assess life-cycle impacts, changes to the building's structure, foundation, enclosure, and mechanical equipment were evaluated using life-cycle assessment (LCA), and refrigerant impacts were calculated separately using a range of 100-year global warming potentials (GWP) and leakage assumptions. In the end, the ranking of optimal high-performance building strategies is sensitive to different combinations of grid, refrigerant, and carbon accounting assumptions. As an example, the results suggest that, given a rapidly decarbonized grid, operationally-inefficient buildings with low-embodied-carbon materials will emit less life-cycle carbon than certain low-energy buildings with standard materials.

ISBN: 9798834000921Subjects--Topical Terms:

3174102
Architectural engineering.
Subjects--Index Terms:

Electrification

The Evolving Carbon Balance of High-Performance Buildings.
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520 $a Highly operationally-efficient buildings typically require significant embodied flows to guarantee low energy consumption. To highlight this tension, an operational energy simulation of a prototypical mid-rise apartment was equipped with all-electric heating, ventilation, and air conditioning (HVAC) systems. The building was then upgraded from the comparatively under-performing ASHRAE 90.1-2004 standard to the higher-performing PHIUS 2021 certification, while the grid that supplied the building was simulated with aggressive, moderate, and business-as-usual emissions intensity scenarios. To assess life-cycle impacts, changes to the building's structure, foundation, enclosure, and mechanical equipment were evaluated using life-cycle assessment (LCA), and refrigerant impacts were calculated separately using a range of 100-year global warming potentials (GWP) and leakage assumptions. In the end, the ranking of optimal high-performance building strategies is sensitive to different combinations of grid, refrigerant, and carbon accounting assumptions. As an example, the results suggest that, given a rapidly decarbonized grid, operationally-inefficient buildings with low-embodied-carbon materials will emit less life-cycle carbon than certain low-energy buildings with standard materials.
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