A whole-building data-driven fault detection and diagnosis approach for public buildings in hot climate regions
December 2024
•Impacts of equipment and operations malfunctions on building energy consumption.•Whole-building and system level faults detection and diagnosis.•Hot climate and religious buildings....
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A simulation study on the indoor thermal environment of an office building with transparent radiative cooling (T-RC) film in Nanjing, China
Available online 13 November 2024
•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...
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Enhancing energy efficiency in shipping container house: a novel approach using hybrid louver systems
Available online 12 November 2024
•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...
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Guidelines for Predicting Airtightness in Residential Buildings under Climatic Pressure Conditions
Available online 9 November 2024
•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...
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Hydrogel-based thermal regulation strategies for passive cooling: A review
Available online 8 November 2024
•Overview on recent literature of hydrogel-based passive cooling technologies;•Appropriate classification through different thermal regulation strategies;•Cooling performance assessment among passive...
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Numerical investigation of urban heat island effect in various urban forms
Available online 5 November 2024
•Developed 3D porous media models for simulating various urban layouts.•Compare and analyse the urban heat island effect of three urban layouts.•Identified optimal urban layout for future city development...
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The assessment of personal exposure in restaurants considering heat sources and ventilation strategies
October 2024
•Different heat source conditions in different restaurants are considered.•The hotter the heat source, the greater the expiratory jet's upward trend.•Low-temperature heat sources lead to an increased...
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Experimental evaluation of a “U” type earth-to-air heat exchanger planned for narrow installation space in warm climatic conditions
October 2024
•Evaluation of novel disposal of EAHE adjusts to the housing minimum space demands.•The difference in air temperature reached in the EAHE ranges from 5 °C to 10 °C.•The soil temperature is measured...
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Utilizing agro-industrial wastes panels in developing cost-efficient thermally insulating wall claddings for residential energy retrofitting in Egypt
October 2024
•Thermal conductivity range of egyptian flax shive particleboards 0.0912–0.1074 W/mK.•Thermal conductivity range of sugarcane bagasse particleboards 0.050–0.1166 W/mK.•Flax shive interior cladding-based...
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Estimating cooling loads of Indian residences using building geometry data and multiple linear regression
October 2024
•Simulation approach to assess the role of four geometry variables on cooling loads.•Exposed Surface Area and floor plate layout are crucial in cooling load reduction.•Changes in building geometry can...
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Digital twin technology for thermal comfort and energy efficiency in buildings: A state-of-the-art and future directions
October 2024
•Review of the use of DT for thermal comfort (TC) & energy consumption in buildings.•Technologies were examined in creating DT for TC & energy optimization.•Prediction of energy consumption using ANN,...
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Analysing light pipe two-side aperture in dense population housing to improve the visual and thermal condition
October 2024
•The top daylight system in urban densely populated Kampung Kota was tested.•Six room configurations with different size spaces and materials were evaluated.•Housing with light pipe two-side aperture...
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Thermal energy performance of compressed earth building in two different cities in Moroccan semi-arid climate
October 2024
•Good agreement between the energy model and the monitored indoor temperatures.•The passive techniques with earth blocks provide better energy efficiency.•The summer discomfort is reduced about 12%...
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Off-design condition optimization of organic Rankine cycle based on genetic algorithm
October 2024
•The optimal method of ORC system under off-design conditions is studied.•The off-design operation model of ORC system with preheater is established.•A genetic algorithm is proposed to optimize net...
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Effects of increasing the degree of building height asymmetry on ventilation and pollutant dispersion within street canyons
October 2024
•We studied the effect of increasing the DBHA in street canyons.•Increasing the DBHA of the canyon can significantly improve the ventilation.•Therefore, the pollutant concentration in the pedestrian...
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Investigation of a falling film tube bank heat exchanger with baffle design for water recovery applications
October 2024
•Integrating falling film thermosyphons into a heat exchanger with baffle design.•Explore and develop a numerical method to predict the heat and mass performance.•Optimize the bank configuration to...
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Energy characterization of forced ventilated Photovoltaic-DSF system in hot summer of composite climate
October 2024
•Summer performance of a forced ventilated PV-DSF system is assessed.•PV panel transparency, air cavity and velocity are selected as design parameters.•Mathematical correlations are developed for energy...
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Experimental study on the operating performance of the air source heat pump (ASHP) with variable outdoor airflow rate under the standard frosting condition
October 2024
•A laboratory test was conducted based on an ASHP at standard frosting condition.•Four test cases were organized for the unit with different outdoor fan airflow rate.•The decrease of airflow led to...
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Optimizing kitchen ventilation with an integrated stove air supply-exhaust system for reducing PM2.5 intake fraction and enhancing energy efficiency
Available online 21 October 2024
•A novel ventilation system with integrated stove air supply-exhaust was proposed.•Energy consumption of the system was investigated with on-site testing.•Performance gaining rate was proposed by introducing...
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Approach on enhancing the air conditioning system to improve the winter thermal environment in Eastern China Region's airport terminals
Available online 11 October 2024
•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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Research on solar-air source heat pump coupled heating system based on heat network in severe cold regions of China
Available online 14 September 2024
•Coupled heating system combining renewable energy with traditional energy.•District heating multi-energy coupling (NH-SASHP) systems are used in cold regions.•The NH-SASHP is compared with the air...
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Research on the contribution rate of photovoltaic power in indoor ice arenas across different climatic zones: A case study in China
Available online 3 September 2024
•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...
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