工業化開始，逐漸地增加地球的溫室氣體，二氧化碳排放量也持續上升。近年建築流行使用玻璃帷幕，但台灣的氣候條件為熱帶、副熱帶氣候，因此在建築設計與外殼節能設計須特別留意。根據相關規範和研究，建築外遮陽為外殼節能的規畫重點之一，其設計妥當對日後空調用電、室內採光有重要影響。本研究針對建築外殼節能的外遮陽，透過現有規範的窗平均遮陽係數SF值、外遮陽係數Ki值、玻璃日射透過率ηi值、和建築生命週期碳足跡中碳排熱點之一的空調項目等，探討外遮陽降低室內熱傳導、減少的空調耗能。本研究以建築開窗率和不同類空調型建築，於不同遮陽的形式與深度，使用建築耗能模擬軟體e-QUEST模擬空調耗電量(MWh/yr)和推算碳排量(kgCO2e)，其中150公分深之格子遮陽最多減少46.27%空調耗電量，將遮陽於減少空調耗電量的效益可視化，提出外遮陽於減少空調耗電效益查表與公式、其他類遮陽的計算減少空調耗電模式、和將遮陽加入建築生命週期中空調的碳足跡公式，使建築設計或修繕朝永續方向發展。

Greenhouse gases include carbon dioxide increased gradually since industrialization. Recently, transparent glass surface are popular use in architecture, but Taiwan is in tropical and subtropical climate conditions. Therefore, need to focus on both architectural design and energy saving of the building shell. According to relevant specifications and researches, building external shading is one of the key points in the planning of energy saving, and the proper design will have an important impact on the future air-conditioned consumption and indoor lighting. Through the existing standard Shading Factor value, shading coefficient Ki value, glass solar transmittance ηi value, and one of the carbon emission hot spots in the carbon footprint of the building life cycle , which is air-conditioned, etc. This research will focus on energy saving for building shading devices, explore the indoor heat conduction reduced and air-conditioned consumption reduced by shading devices. This research uses e-QUEST building consumption simulation software to simulate air-conditioned consumption (MWh/yr) then estimate carbon emissions (kgCO2e), which based on building window opening rates and different types of air-conditioned buildings with different shading forms and depths. Among them, depth of 150 centimeters grid shading device reduces 46.27% of air-conditioned consumption. To visualize the benefits of shading devices in reducing air-conditioned consumption, this research proposes the form and formulas of reducing air-conditioned consumption benefit by shading devices, calculation mode for other types of shading devices in reducing air-conditioned consumption, and adding shading devices value to the carbon footprint formula, to make architectural design or repair develop in sustainable direction.

中文文獻
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英文文獻
Anna Atzeri.Internal Versus External Shading Devices Performance in Office Buildings. Energy Procedia. Volume 45, p.463-472. 2014
Wienold J. Evaluation methods and development of a new glare prediction model for daylight environments with the use of CCD cameras. Energy and Buildings. Volume 38, Issue 7, p.743–757. 2006
Allen Khin Kiet Lau. Potential of shading devices and glazing configurations on cooling energy savings for high-rise office buildings in hot-humid climates: The case of Malaysia. International Journal of Sustainable Built Environment. Volume 5, Issue 2, p.387-399. 2016
Amrita Ghosh. Effect of fenestration geometrical factors on building energy consumption and performance evaluation of a new external solar shading device in warm and humid climatic condition. Solar Energy. Volume 169, p.94-104. 2018
D.L.Marinoski. Measurement of solar factor of glazing and shading devices using a solar calorimeter. Building and Environment. Volume 144, p.72-85. 2018
Ayca Kirimtat. Review of simulation modeling for shading devices in buildings. Renewable and Sustainable Energy Reviews. Volume 53, p.23-49. 2016
Hema Sree Rallapalli. A Comparison of EnergyPlus and eQUEST Whole Building Energy Simulation Results for a Medium Sized Office Building. Arizona state university degree master of science thesis. 2010
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R.C. Dorf, R.H. Bishop. Modern Control Systems (12th edition). Pearson Education. ISBN-10: 0136024580. 2011
Salwa M.Al-Masrani. Dynamic shading systems: A review of design parameters, platforms and evaluation strategies. Automation in Construction. Volume 102, p. 195-216. 2019
Armstrong, A., Buffoni, G., etc. The Al bahar towers: multidisciplinary design for Middle East high-rise. The Arup Journal. Issue 2, 60-73. 2013
E. Babilio, Raffaele Miranda, F. Fraternali. On the Kinematics and Actuation of Dynamic Sunscreens with Tensegrity Architecture. Computer Science, Frontiers in Materials. 2019

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