Results 21 to 30 of about 249,548 (304)
FAST-AIR: Fast analytic systems for tracer-gas assessment in indoor research - development and testing of CO2 tracer-gas system [PDF]
The time constant of ventilation of rooms in buildings is between 15 minutes (in office spaces) to 2 hours (in residential buildings). Currently, most of the tracer gas system analyzers on the market have a minute-based time constant and depending on the
Andersson Harald +4 more
doaj +1 more source
Eutrophication is a serious environmental issue that needs urgent concern. There is necessity to treat wastewater with high ammoniacal nitrogen (AN) concentration to the permissible standard limit to protect the aquatic ecosystem. This study investigated
W. H. T. Ting +3 more
doaj +1 more source
Multiobjective assessment of distributed energy storage location in electricity networks
This paper presents a methodology to provide information to a decision maker on the associated impacts, both of economic and technical nature, of possible management schemes of storage units for choosing the best location of distributed storage devices ...
José António Ribeiro Gonçalves +2 more
doaj +1 more source
Assessing airborne infection risk through a model of airflow evacuation and recirculation dynamics [PDF]
In a ventilated room, the indoor airflows are complicated but can generally be defined by an internal recirculating airflow generated by flooding of ventilation air. This concept categorizes the internal room flow (air and contaminants) as consist of two
Kabanshi Alan +4 more
doaj +1 more source
This study investigates how operation strategies of micro gas turbine trigeneration system (MGTTGS) affect its economic performance. MGT-TGS was required to sustain power, heating and cooling load of 148 residential terrace houses located in Kuala Lumpur.
Basrawi Firdaus +3 more
doaj +1 more source
Irrigation is the most important use of water. A newly developed irrigation management scheme leads to a significant reduction in water use and increase in economic gains while maintaining crop yields, presenting opportunities for real-world impacts ...
Jingwen Zhang +14 more
doaj +1 more source
The International Renewable Energy Agency (IRENA) reported that the modern renewable energy share by 2050 would increase to 66 percent of global final energy consumed (IRENA 2020).
openaire +3 more sources
Environmental Sustainability Approaches and Positive Energy Districts: A Literature Review
During the last decade, increasing attention has been paid to the emerging concept of Positive Energy Districts (PED) with the aim of pushing the transition to clean energy, but further research efforts are needed to identify design approaches optimized ...
Francesco Guarino +3 more
core +1 more source
Environmental Energy Sustainability at Universities
The use of renewable energies and energy saving and efficiency are needs of global society and universities. Universities have a large responsibility and social impact, as they are an example and engine of social change.
Francisco G. Montoya +1 more
core +1 more source
Due to insufficient water supply, the residents of the rural area of Sarawak are forced to use peat water as daily use for domestic water. The consumption of untreated peat water can lead to various waterborne diseases such as diarrhoea, and other ...
Nazeri Abdul Rahman +7 more
doaj +1 more source

