Recent Articles

Open access

ISSN: 2666-1233

Hydrogel-based thermal regulation strategies for passive cooling: A review

•Overview on recent literature of hydrogel-based passive cooling technologies;•Appropriate classification through different thermal regulation strategies;•Cooling performance assessment among passive...

Development of a novel biomass-wind energy system for clean hydrogen production along with other useful products for a residential community

•A novel integrated biomass-wind energy system is developed for buildings.•The system is evaluated through energy and exergy analyses.•Both economic study and environmental impact assessment are performed.•The...

Power consumption prediction in warehouses using variational autoencoders and tree-based regression models

•A novel deep learning and tree-based hybrid model for warehouse power prediction.•Variational Autoencoders for dimensionality reduction and latent feature extraction.•ExtraTree model achieving peak...

Experimental investigation for enhancement of heat transfer and friction factor through using V-pattern ribs along with semi-circular perforated manner

•V-pattern ribs with semi-circular perforations were used to enhance heat transfer.•Nusselt number (Nu) and friction factor (f) showed significant improvement.•Nu increased by 11.44 %, and f decreased...

A simulation study on the indoor thermal environment of an office building with transparent radiative cooling (T‐RC) film in Nanjing, China

•The impact of T-RC film on indoor thermal environment is studied by CFD simulation.•The window-to-wall ratio (WWR) and orientation of the windows are considered.•The best cooling effect of the T-RC...

The current status of PM2.5 in kitchens of severe cold regions and its impact on health and economy: A case study of Liaoning province

•Large-scale field tests on the kitchens were carried out in severely cold regions.•The variation law of the PM2.5 concentration in kitchens has been explored.•The impact of indoor PM2.5 on premature...

A quantitative comparison of different methods for air conditioning energy consumption prediction in residential buildings

•Two methods for AC energy consumption prediction were quantitatively compared.•Measured AC energy consumption was 2.62kWh/d for cooling and 0.47kWh/d for heating.•Values by top-down decomposition method...

Effects of medium-to-long-term exposure to aromatic environment on subjective perception

•Perception of aromatic environment follows the principle of olfactory adaptation.•Frequency of intermittent stimuli determines whether adaptation or recovery occurs.•Olfactory comfort and perceived...

Self-powered and self-feedback wind energy harvester for intelligent metro air conditioning

•A wind energy harvesting sensor applied to underground air outlets is proposed.•The wind energy harvesting sensor involves four modules for energy efficiency.•The device generates up to 0.708W of power...

Comparison of PV and PV/T systems in different regions of China: Energy gain, energy cost, energy payback and energy return

•Mathematical models for PV system and water-cooled PV/T system are established.•Five representative cities in various climatic zones of China are involved.•Annual energy gains of the two systems in...

Guidelines for predicting airtightness in residential buildings under climatic pressure conditions

•New airtightness prediction method generalized for actual climatic conditions.•A minimum pressure difference of 20 Pa is required to utilize the method.•The acceptable condition for applying this method...

On-site experimental analysis of the impact of subway trains passing on the ventilation performance of exhaust system

•Air velocities are tested on proposed systems in a typical subway station.•The effectiveness of two proposed systems is analyzed with/without train passage.•Air velocities at escalators exhibit a three-stage...

Enhancing energy efficiency in shipping container house: A novel approach using hybrid louver systems

•Optimized surrounding shades can improve energy savings and visual comfort.•Prefabricated buildings are specifically suitable for warm climate zones.•Proposed hybrid shadings achieved a higher reduction...

Energy consumption characteristics and evaluation of public buildings in Tianjin, China

•The energy consumption characteristics of typical public buildings is analyzed.•The energy consumption level of different types of public buildings are compared.•The energy-saving measures of public...

Unsupervised anomaly detection of industrial building energy consumption

•Missing values are reconstructed using a transformer-based model.•An ensemble framework is developed to identify subsequence anomalies.•The detection ratios for the two buildings are 9.5% and 5.8%,...

Deciphering domestic energy demand through household electricity and gas consumption

•Clustered energy usage patterns using 15-min smart meter data from 15,000 homes.•Identified peak electricity use in summer evenings and gas use in winter mornings.•Developed predictive models with...

Comparative study on aerosol fate of mixed ventilation and attachment ventilation in a dental clinic

•Attachment ventilation in dental clinics is compared to mixed ventilation.•An upper outlet in attachment ventilation removes aerosols more effectively.•The optimal ACH for aerosol attenuation in dental...

Hygrothermal and Energy Performance Analysis of Wall Cladding Systems with Varying Surface Reflectivity under Three Canadian Climate Conditions

•Cladding reflectivity affects moisture and energy across climates.•Higher reflectivity lowers cooling but slightly raises heating demand.•Mould risk rises with reflectivity in Montreal and Toronto.•In...

From Heatwaves to Rapid Temperature Drops: a Hong Kong Study Using Annual Performance Metrics for Resilient Low-Income Subtropical Housing

•Annual framework combing downscaled WRF, EnergyPlus and RTD detection•Integrated design increases summer comfort hours >60% under future climates•Integrated measures cut cooling load >70% and winter...

Dynamic Thermal Comfort of Pedestrians in Outdoor Built Environments under Solar Exposure: Portable Microclimate Control via Umbrella Shading

•Field experiments assessed dynamic TSV of pedestrians using umbrellas.•Umbrella shading reduced Tmrt by 5–10 °C in outdoor walking scenarios.•Peak TSV decreased by 1.5 units under high UTCI with umbrella...

Built environment control based on multi-objective optimization algorithm: Optimizing thermal comfort, indoor air quality and HVAC energy efficiency

Optimizing the operation and control of air conditioning systems in public buildings is a critical technical measure for ensuring healthy and comfortable indoor environments while reducing building...

Study on Individual Differences in the Influence of Indoor Odor Environment on Thermal Perception

•Odors’ impact on thermal sensation shows gender and odor preference differences.•Women exhibit higher odor sensitivity, but their TSV is less influenced by odors.•Peppermint-likers shows lower odor...

Transfer Learning for Improving Building Energy Performance and Occupant Thermal Comfort Prediction across Climates and Building Types to Address the Data Scarcity Challenge

•Stacked FNN–XGB–GBM predicts energy use, heating and thermal comfort across climate•Transfer learning methods are evaluated in a unified framework under data scarcity•A two-stage ensemble residual...

Research on the contribution rate of photovoltaic power in indoor ice arenas across different climatic zones: A case study in China

•Seasonal PV strategies are key for energy-efficient ice rinks.•Kunming’s mild climate allows a 60% renewable energy rate in ice rinks.•Optimal PV tilt angles boost contribution rates by 4–25%, improving...

Approach on enhancing the air conditioning system to improve the winter thermal environment in Eastern China Region's airport terminals

•Investigating thermal environment in terminal's commercial zone.•Creating an CFD model with experimental validation.•Improvements in air conditioning system enhance localized thermal comfort.•All-air...

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