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熱帯気候におけるネット・ゼロ・エネルギー住宅の単目的最適化

Single Objective Optimization of Net Zero Energy Residential Building in Tropical Climate (原題)

Leman, A M, Sharif, H Z, Krizou, A N, Al-Tarawne, M T A, Subbiah, M, Al Farsi, M, Irfan, A R

IOP Conference Series: Materials Science and Engineering ; volume 864, issue 1, page 012015 ; ISSN 1757-8981 1757-899X📚 査読済 / ジャーナル2020#省エネ経営インパクト: コスト削減対象セクター: construction
DOI: 10.1088/1757-899x/864/1/012015
原典: https://doi.org/10.1088/1757-899x/864/1/012015

🤖 gxceed AI 要約

日本語

本研究は、タグチ法と直交表を用いて熱帯気候の住宅の熱エンベロープ、HVACのSEER値、照明密度、換気量を最適化し、BEIを基準建物から50%以上削減した。PVWattsでPVシステム規模を推定し、Johor Bahruの気候で13kWのシステムが必要と結論。

English

This study uses Taguchi simulation to optimize thermal envelope, HVAC SEER, lighting, and ventilation of a tropical residential building, reducing BEI by over 50% from baseline. PVWatts estimates a 13kW PV system to meet annual energy demand in Johor Bahru.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本の住宅省エネ基準やZEH普及に参考となるが、気候条件が異なるため直接適用は難しい。日本の気候に合わせた最適化手法の応用が期待される。

In the global GX context

Contributes to global building energy efficiency literature, offering a methodological framework for NZEB optimization that can be adapted to other tropical regions and beyond.

👥 読者別の含意

🔬研究者:Provides a practical application of Taguchi method for building energy optimization, useful for further research in tropical climates.

🏢実務担当者:Offers design parameters for achieving NZEB in tropical regions, relevant for architects and engineers.

🏛政策担当者:Highlights potential for energy code improvements in tropical countries, but not directly applicable to Japan.

📄 Abstract（原文）

Abstract The Building sector is the largest consumer of energy worldwide. Net Zero Energy Residential Building (NZERB) is one of the prudent approaches to reduce pressure on primary sources of energy. The main objective of this study is to use Taguchi simulation based on orthogonal arrays approach to optimize thermal envelope of a building, SEER value of HVAC system, lighting power density, and ventilation level to reduce the Building Energy Intensity (BEI) 50% lower than the base case building according to International Energy Conservation Codes 2015. In this study whole building energy simulation was performed by Hourly Analysis Energy Program and PVWatts calculator was used to estimate the size of the PV system for balancing the energy demand of the house. The results of Taguchi simulation approach show that by decreasing the U value of wall, windows, roof, floor to 0.1, 0.8, 0.1, 0.2 W/m2. °K respectively and ventilation rate 0.15 l/s-m2, lights of 110 lm/W and SEER of the HVAC system 4 (W/W option) reduce BEI from 147.78 kWh/m2/year for base case building to 67.085 kWh/m 2 /year for optimal design case. PV system size estimation was performed with PVWatts calculator. PV Watts recommended the size of 13kW DC rating system (open rack type) of 15% efficiency for the weather of Johor Bahru to meet the annual energy demand of the proposed optimal building design.

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