A Review of Building Physical Shapes on Heating and Cooling Energy Consumption DOI Creative Commons
Jin Li, Chao Liang,

Wenwu Zhou

et al.

Energies, Journal Year: 2024, Volume and Issue: 17(22), P. 5766 - 5766

Published: Nov. 18, 2024

The shape of a building profoundly impacts its energy consumption throughout life and is critical consideration in early architectural design. Despite significance, the influence on heating air conditioning usage remains insufficiently understood. This study systematically analyzes relationship between consumption, grounded objective facts about performance from perspective architects during initial design phases. analysis aids designers making informed decisions. Key parameters, notably widely used coefficient, are examined. across various global China’s diverse climate zones synthesized. Current simulation tools methodologies assessed to guide future research. Findings reveal predominant reliance simulations for comparing use specific shapes. academic understanding shape−energy superficial, complicating standardization. Future research should prioritize extensive, multi-parameter enhance performance, thereby facilitating energy-efficient

Language: Английский

Hofmeister Effect‐Enhanced, Nanoparticle‐Shielded, Thermally Stable Hydrogels for Anti‐UV, Fast‐Response, and All‐Day‐Modulated Smart Windows DOI Creative Commons
Kai Wang, Shuzhi Liu, Jiahui Yu

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

Abstract Thermochromic smart windows offer energy‐saving potential through temperature‐responsive optical transmittance adjustments, yet face challenges in achieving anti‐UV radiation, fast response, and high‐temperature stability characteristics for long‐term use. Herein, the rational design of Hofmeister effect‐enhanced, nanoparticle‐shielded composite hydrogels, composed hydroxypropylmethylcellulose (HPMC), poly( N,N ‐dimethylacrylamide) (PDMAA), sodium sulfate, polydopamine nanoparticles, anti‐UV, fast‐response, all‐day‐modulated is reported. Specifically, a three‐dimensional network PDMAA created as supporting skeleton, markedly enhancing thermal pristine HPMC hydrogels. Sodium sulfate induces effect, lowering lower critical solution temperature to 32 °C while accelerating phase transition rates fivefold (30 s vs. 150 s). Intriguingly, small‐sized nanoparticles simultaneously enable high luminous 66.9% outstanding capability. Additionally, window showcases solar modulation (51.2%) maintains 10.2 reduction versus glass during all‐day applications. The strategy effective, opening up new avenues manufacturing fast‐response durable thermochromic energy savings emission reduction.

Language: Английский

Citations

0

Automatic Information Gain-guided Convergence for refining building design parameters: Enhancing effectiveness and interpretability in Simulation-based Optimization DOI
Fan Xue, Qianyun Zhou

Building and Environment, Journal Year: 2025, Volume and Issue: unknown, P. 112788 - 112788

Published: March 1, 2025

Language: Английский

Citations

0

Prioritizing passive envelope design features for integration into the building energy codes: a case of India DOI
Kuladeep Kumar Sadevi, Avlokita Agrawal

Asian Journal of Civil Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: March 25, 2025

Language: Английский

Citations

0

Urban Microclimate and Energy Modeling: A Review of Integration Approaches DOI Open Access
Naga Venkata Sai Kumar Manapragada, Jonathan Natanian

Sustainability, Journal Year: 2025, Volume and Issue: 17(7), P. 3025 - 3025

Published: March 28, 2025

Current building energy modeling (BEM) tools lack the capability to inherently simulate impacts of urban microclimates on performance. While efforts have been made integrate BEM with Urban Microclimate Modeling (UMM) tools, their ability capture spatial and seasonal microclimate variations remains limited. This review critically evaluates existing microclimate-integrated approaches effectiveness in complex interactions between form, microclimate, Through an analysis 94 research articles, first examines influence form microclimates, followed by assessment how microclimatic conditions impact use. Additionally, it conventional frameworks employed limitations representing dynamic variations. The findings emphasize non-linear heat exchange relationships typically modeled using computationally intensive Computational Fluid Dynamics (CFD)-based UMM tools. introduces a classification types: atmospheric exchange, involving air temperature, wind, humidity, non-atmospheric driven radiative surrounding surfaces. study further highlights that modifying standard weather files transfer coefficients alone is insufficient for accurately near-surface By identifying critical insights gaps, this establishes foundation advancing next-generation approaches, emphasizing need efficient dynamically responsive techniques.

Language: Английский

Citations

0

Review of Dynamic Building Envelope Systems and Technologies Utilizing Renewable Energy Resources DOI Creative Commons

Mohammad Almesbah,

Julian Wang

Designs, Journal Year: 2025, Volume and Issue: 9(2), P. 41 - 41

Published: March 31, 2025

Dynamic building envelopes integrated with renewable energy sources, termed and Renewable Source Building Envelopes (DREBE), provide an innovative approach to optimizing envelope designs. Yet, these systems are not mature enough widely adopted in the industry few literature resources employed understand them. These dynamically respond adapt various environmental, energy, occupancy demands for higher efficiency comfort levels compared traditional while simultaneously producing energy. Their potential climate change mitigation fostering sustainable urban development warrants great attention from planners. Especially positive districts, which aim reach net-positive goals through utilizing smart efficient on district level. This paper reviews like dynamic photovoltaic shading devices phase materials evaluates their performance by answering two research questions, what current DBE trends they feasible achieving consumption? The analysis conducted reveals dominance of solar-based a need alternatives. study suggests that alternatives wind as source should be studied systems. Moreover, highlights gaps including insufficient data long-term application economic costs associated such To address this gap, exploring depth some then branching into combinations multiple or adaptive components further enhance overall performance. By synthesizing body literature, gives insights advancing crucial role future environments.

Language: Английский

Citations

0

Energy flexibility of low-energy residential apartment in hot summer and cold winter regions: A comparative study on cooling season performance DOI
Xu Song, Xiaoli Hao,

D. K. Ai

et al.

Energy, Journal Year: 2025, Volume and Issue: 324, P. 136030 - 136030

Published: April 8, 2025

Language: Английский

Citations

0

Technical, economic, and environmental assessment of energy audit and optimization in the mechanical room of an office building DOI
S. Saeid Taheri,

Elaheh Norouzijajarm,

Awais Athar

et al.

Energy Sustainable Development/Energy for sustainable development, Journal Year: 2025, Volume and Issue: 87, P. 101717 - 101717

Published: April 11, 2025

Language: Английский

Citations

0

Energy-Saving Renovation of Existing Buildings: Balancing Thermal Performance and Visual Performance—A Case Study of a University Sports Training Annex in Guangzhou DOI Creative Commons

Fengdeng Wan,

Huan Li, Ziqiao Li

et al.

Energies, Journal Year: 2025, Volume and Issue: 18(9), P. 2186 - 2186

Published: April 24, 2025

Energy conservation renovation of existing buildings is a crucial aspect sustainable energy development. This study examines the annex university sports training building in Guangzhou, highlighting conflict between maintaining landscape visibility and mitigating excessive solar radiation thermal conditions following without external shading. Specifically, analysis focuses on scenarios where building’s primary orientation aligns with region’s unfavorable orientation. To address this challenge, five facade optimization strategies are proposed, four which incorporate shading solutions: horizontal shading, vertical baffle inclined comprehensive system. Performance simulations were conducted using Ladybug Honeybee tools within Grasshopper platform to evaluate multi-objective visual performance under constraints. The findings demonstrate that an integrated system significantly influences both consumption performance. Notably, 46° scheme proves particularly effective Guangzhou context, successfully reducing radiation, improving indoor lighting quality, lowering consumption, while minimizing obstruction. These results provide valuable insights for developing energy-efficient similar region.

Language: Английский

Citations

0

Enhancing building envelopes: Parametric analysis of shading systems for opaque facades and their comparison with cool paints DOI Creative Commons

Iqbal Shah,

Xiaosong Su,

Riccardo Talami

et al.

Energy and Built Environment, Journal Year: 2024, Volume and Issue: unknown

Published: April 1, 2024

Heat gain through the buildings opaque facades significantly contributes to energy consumption of Heating, Ventilation, and Air Conditioning (HVAC) systems. In post-construction phase, retrofitting options for reducing façade heat are limited, with cool paints being prevalent strategy. However, efficacy shading systems as an alternative strategy remains underexplored existing research predominantly focuses on proof-of-concept validation, often overlooking a comprehensive assessment system configurations across diverse climates building typologies. Moreover, comparative analysis performance potential synergies between is crucial understand their actual effectiveness in real-world applications. To address these gaps, our study undertakes extensive parametric simulation, taking into account variables such configurations, varying facade solar absorbance values, orientation, climates, different The results demonstrate that use alone could result HVAC saving 8-28%, while application (façade absorptance value 0.2) reduce by 10-35%. By combining paints, savings further increased 2-5%. findings this offer novel perspective selection technologies, broadening sustainable design retrofit options.

Language: Английский

Citations

3

Model development of deep space-source heat pump system and its feasibility analysis DOI
Linrui Jia, Lin Lu, Jianheng Chen

et al.

Journal of Cleaner Production, Journal Year: 2023, Volume and Issue: 430, P. 139556 - 139556

Published: Nov. 6, 2023

Language: Английский

Citations

7