Dynamic Energy Simulation for a Tiny House Targeting a Net Zero-Energy Building
ネット・ゼロ・エネルギー建築を目指すタイニーハウスの動的エネルギーシミュレーション (AI 翻訳)
Yusuf Ali Kara, Patrick Phelan
🤖 gxceed AI 要約
日本語
本研究は、タイニーハウスを対象に、地中熱ヒートポンプと太陽光発電を組み合わせた再エネ供給システムの最適規模を動的シミュレーションで決定し、ネット・ゼロ・エネルギー建築（nZEB）の達成可能性を示した。ピーク冷暖房負荷を算出し、年間電力収支を評価して、必要なPV容量とボアホール深さを明らかにした。
English
This study presents a dynamic energy simulation of a tiny house aiming for net-zero energy building (nZEB) performance. It sizes a renewable energy supply system combining a ground-source heat pump and PV panels using TRNSYS, calculating peak loads and annual electricity balance. The results provide specific capacities for achieving net-zero operation.
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
日本の住宅部門の脱炭素化やZEH基準の強化に示唆を与える。小規模住宅での再エネ自給率向上の設計手法として、日本の気候条件や建築慣行に応用可能。
In the global GX context
Contributes to global nZEB research by demonstrating a simulation-based sizing methodology for small residential buildings. Offers insights for renewable integration in housing, relevant to international building energy codes and net-zero targets.
👥 読者別の含意
🔬研究者:Provides a detailed simulation framework for sizing GSHP and PV in small buildings, useful for nZEB design research.
🏢実務担当者:Offers a practical approach for designing renewable systems in tiny houses, applicable to sustainable housing projects.
🏛政策担当者:Informs building energy policy on the feasibility of nZEB for small dwellings, supporting net-zero building regulations.
📄 Abstract（原文）
Achieving net-zero energy performance requires that a building’s total annual energy demand be fully met by renewable energy sources. In this context, the integration and appropriate sizing of renewable energy systems are critical to ensuring balanced and reliable building operation. This study presents a comprehensive dynamic energy simulation of a tiny house designed to achieve net-zero energy building (nZEB) performance. The primary objective is to determine the required sizing of the renewable energy supply system (RESS) to enable net-zero operation. A ground-source heat pump (GSHP) and photovoltaic (PV) panels are considered as the main components of the RESS. To ensure accurate system integration, the tiny house and the RESS are simulated simultaneously using TRNSYS. Peak heating and cooling loads are calculated, and the RESS is sized to satisfy both thermal and electrical demands. Monthly and annual electricity balances are systematically evaluated to verify compliance with net-zero energy criteria. The tiny house features a gable-roof configuration with a floor area of 20 m². The peak heating load, peak sensible cooling load, and peak total cooling load are determined to be 2.12 kW, 1.78 kW, and 2.48 kW, respectively. Based on these results, a GSHP is selected with a rated heating capacity of 2.22 kW at a typical entering water temperature (EWT) of 0 °C for ground-loop operation, and sensible and total cooling capacities of 1.93 kW and 2.69 kW, respectively, at a typical EWT of 25 °C. The required vertical borehole depth is calculated to be 60 m. To meet the annual electricity demand, PV panels with a total installed capacity of 2.27 kWp are required.
🔗 Provenance — このレコードを発見したソース
- crossref https://doi.org/10.38088/jise.1858905first seen 2026-08-18 05:22:58
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