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View article: Life Cycle Analysis in the Context of Smart Cities
Life Cycle Analysis in the Context of Smart Cities Open
The transformation of urban areas into smart cities integrates advanced technologies to enhance efficiency, sustainability and liveability. In this study, we employed a systematic literature review methodology to assess the environmental i…
View article: Building retrofit solutions in the context of energy resilience and urban environment regeneration
Building retrofit solutions in the context of energy resilience and urban environment regeneration Open
This paper highlights the role of building retrofitting in developing energy-resilient communities as a part of sustainable urban regeneration. Different approaches and technologies are covered, with the role of improving the energy perfor…
View article: Optimizing building performance with Digital Twins: Pathways to energy efficiency and decarbonization
Optimizing building performance with Digital Twins: Pathways to energy efficiency and decarbonization Open
In the context of current energy consumption and CO2 emissions, the impact of buildings is highly significant. In the quest for sustainable building management, the concept of digital twins emerges as a transformative technology, offering …
View article: The role of local energy communities to reduce carbon emissions in the urban built environment
The role of local energy communities to reduce carbon emissions in the urban built environment Open
In recent years, a rapid increase in the adoption of renewable energy sources and in the transition from a centralized electricity generation system to an increasingly distributed one has occurred. Within this scenario, in line with the Eu…
View article: A Novel Concept of Nano-Enhanced Phase Change Material
A Novel Concept of Nano-Enhanced Phase Change Material Open
In the actual context of growing concerns over sustainability and energy efficiency, Phase Change Materials (PCMs) have gained attention as promising solutions for enhancing energy storage and release efficiency. On another hand, materials…
View article: Harnessing Nanomaterials for Enhanced Energy Efficiency in Transpired Solar Collectors: A Review of Their Integration in Phase-Change Materials
Harnessing Nanomaterials for Enhanced Energy Efficiency in Transpired Solar Collectors: A Review of Their Integration in Phase-Change Materials Open
The building sector plays an important role in the global climate change mitigation objectives. The reduction of CO2 emissions and energy consumption in the building sector has been intensively investigated in the last decades, with solar …
View article: Analysis of advanced thermal insulation alternatives for asolar collector with PCM and nanomaterials
Analysis of advanced thermal insulation alternatives for asolar collector with PCM and nanomaterials Open
Maximizing the quantity of heat delivered to the air is one of the difficulties dealt with by solar collectors used for air heating.In order to increase the quantity of heat delivered by the phase change materials with integrated nano mate…
View article: Experimental Investigation and Optimization of a Glazed Transpired Solar Collector
Experimental Investigation and Optimization of a Glazed Transpired Solar Collector Open
Solar air collectors are increasingly used nowadays due to their important potential in reducing the energy consumption of buildings. In this context, glazed transpired solar collectors (GTCs) represent an interesting solution, but this ty…
View article: A regard on the thermal comfort theories from the standpoint of Electric Vehicle design — Review and perspectives
A regard on the thermal comfort theories from the standpoint of Electric Vehicle design — Review and perspectives Open
In the short and medium term, it is estimated that electric mobility will play an important role in greenhouse gas emissions reduction strategy. However, vehicles with electric propulsion system come with a new series of challenges, some o…
View article: Indoor air quality and health in schools: A critical review for developing the roadmap for the future school environment
Indoor air quality and health in schools: A critical review for developing the roadmap for the future school environment Open
Several research studies have ranked indoor pollution among the top environmental risks to public health in recent years. Good indoor air quality is an essential component of a healthy indoor environment and significantly affects human hea…
View article: Advanced Thermal Manikin for Thermal Comfort Assessment in Vehicles and Buildings
Advanced Thermal Manikin for Thermal Comfort Assessment in Vehicles and Buildings Open
Among the factors that influence the resilience and sustainability of cities in general, and of inhabited spaces in particular, there are extreme temperatures and, in particular, for people, thermal comfort is something that should be cons…
View article: Numerical Simulation Investigation of a Double Skin Transpired Solar Air Collector
Numerical Simulation Investigation of a Double Skin Transpired Solar Air Collector Open
Transpired solar collectors (TSC) are one of the most popular solar thermal technologies for building façades. TSC use solar energy to heat the absorber surface, which transmits thermal energy to the ambient air. A variant of TSC, namely, …
View article: Experimental and numerical study on the thermal plumes of a standing and lying human in an operating room
Experimental and numerical study on the thermal plumes of a standing and lying human in an operating room Open
This paper presents a study regarding the thermal plumes generated by two thermal manikins in different positions, both numerically and experimentally. The numerical model represents an operating room with two surgeons, a patient, and a ve…
View article: A systematic review of operating room ventilation
A systematic review of operating room ventilation Open
Ventilation systems are the primary way of eliminating airborne pathogenic particles in an operating room (OR).\nHowever, such systems can be complex due to factors such as different surgical instruments, diverse room sizes,\nvarious staff…
View article: Thermal comfort evaluation inside a car parked under sun and shadow using a thermal manikin
Thermal comfort evaluation inside a car parked under sun and shadow using a thermal manikin Open
During the summer, vehicle passengers may reach a comfort state, if the sun direct solar radiation do not affect them. Human body parts exposed to the sun, experience a high uncomfortable state which have a direct impact to the global sens…
View article: Mesh independency study for an unglazed transpired solar collector
Mesh independency study for an unglazed transpired solar collector Open
Transpired solar collectors have been widely studied during the last 30 years by experimental, mathematical, and numerical approaches. However, numerical approaches have been frequently simplified because of insufficient computing power. T…
View article: Analysis of velocity and temperature fields inside an air solar collector – A numerical approach
Analysis of velocity and temperature fields inside an air solar collector – A numerical approach Open
The numerical study is performed on a glazed transpired solar collector, investigating the effect of different distances between the glazing and the absorber (30 and 50 mm) for different airflow rates. The results show that the best soluti…
View article: Experimental study of heat transfer inside a real scale innovative air solar collector
Experimental study of heat transfer inside a real scale innovative air solar collector Open
The study is performed on a glazed transpired solar collector, investigating the effect of different distances between the glazing and the absorber (30, 50, 70, and 100 mm) for different airflow values. The results show that the best solut…
View article: Analysis of numerical and experimental results of a solar glazed air collector configuration in Romania climate
Analysis of numerical and experimental results of a solar glazed air collector configuration in Romania climate Open
This paper proposes an experimental and numerical study (based on CFD – Computational Fluid Dynamics technique) dealing with a glazed transpired solar collector (GTC), having the distance between the glass and absorber plate of 50 mm. The …
View article: Experimental investigation of thermal vehicular environment during the summer season
Experimental investigation of thermal vehicular environment during the summer season Open
Thermal comfort evaluation for vehicle occupants is very complicated due to the transient nature and non-uniformity of the vehicle interior. The thermal sensation of an automobile occupant is affected by the surrounding environment. Furthe…
View article: Evaluation of the thermal comfort for its occupants inside a vehicle during summer
Evaluation of the thermal comfort for its occupants inside a vehicle during summer Open
Thermal comfort of occupants from the vehicle environment has gained more importance in the last decades because time spent by people in the vehicles is increasing. During each trip, driver's thermal comfort must to be ensured to reduce bo…
View article: The stability of the radiative regime in Bucharest during 2017-2018
The stability of the radiative regime in Bucharest during 2017-2018 Open
The paper presents an analysis of the solar irradiation and the stability of the solar radiative regime, available for Bucharest and the southern area of Romania. The study is based on meteorological data measured at 3.6 seconds, on severa…
View article: Assessment of virtual thermal manikins for thermal comfort numerical studies. Verification and validation
Assessment of virtual thermal manikins for thermal comfort numerical studies. Verification and validation Open
This study is a part of a larger experimental and numerical campaign intended to evaluate the influence of the turbulence intensity at the inlet of the terminal air distribution systems on the local draft sensation and thermal discomfort o…
View article: Experimental and numerical study of the air distribution inside a car cabin
Experimental and numerical study of the air distribution inside a car cabin Open
The main declared goal of all car manufacturers is to ensure high comfort inside the cabin and to reduce the fossil fuel. It is well-known that the time spent by the people indoor has raised in the last decade. The distance between the hom…
View article: Experimental and numerical investigation on the convective thermal plume around the head of the standing and lying hu-man body
Experimental and numerical investigation on the convective thermal plume around the head of the standing and lying hu-man body Open
This paper presents a study for two thermal plumes generated by two humanoid thermal manikins, one standing and one lying down. The research was approached from a numerical and experimental perspective. The numerical model represents an op…
View article: Local and general ventilation system for an operating room with surgeons and patient
Local and general ventilation system for an operating room with surgeons and patient Open
The aim of this study is to determine how the air flow from a unidirectional air flow (UAF) system and a local ventilation system will interact with each other. The study analyzes the air circulation near the operating table at different a…
View article: Numerical models development for unidirectional air flow diffusers with lobed and circular orifices
Numerical models development for unidirectional air flow diffusers with lobed and circular orifices Open
In order to achieve more realistic boundary conditions on the inlet of a ventilation system it is necessary to study the influences of the air diffuser orifices geometry on the airflow distribution in the enclosure. Integrating these orifi…