Results 41 to 50 of about 681,781 (331)
, 2021 In buildings, energy is primarily consumed by mechanical air conditioning systems. Low energy alternatives, such as natural ventilation, are needed.
T. Ahmed +2 more
semanticscholar +1 more source
Indoor Air Quality in Elderly Centers: Pollutants Emission and Health Effects
Environments, 2022 The world population is ageing, in particular in the developed world, with a significant increase in the percentage of people above 60 years old. They represent a segment of the population that is more vulnerable to adverse environmental conditions ...
T. Mata +7 more
semanticscholar +1 more source
Applied Sciences, 2022 A Chinese commercial kitchen fume exhaust (CCKEF) system mainly consists of a wall-mounted canopy hood, air duct and terminal electrostatic purifiers, the capture and purification performance of which should be guaranteed to obtain satisfactory indoor ...
Awen Zhang +5 more
doaj +1 more source
Numerical Analysis on Performance of Different Ceiling Coverage of fan Filter Units in Semiconductor Fabs [PDF]
E3S Web of Conferences, 2022 In practical semiconductor fabs engineering, in order to reduce the investment cost, low coverage rate of FFUs is usually adopted and the air supply velocity is high, which brings high resistance to the filter mounted at FFU’s outlet. If a higher ceiling
Zhao Jiaan, Li Xianting, Xu Wei
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Outdoor-indoor air pollution in urban environment: challenges and opportunity [PDF]
, 2015 With the continual improvement in our quality of life, indoor air quality has become an important area of concern in the twenty-first century. Indoor air quality is affected by many factors including the type and running conditions of indoor pollution ...
Leung, DYC
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Electronics, 2021 Indoor air quality typically encompasses the ambient conditions inside buildings and public facilities that may affect both the mental and respiratory health of an individual.
Rafia Mumtaz +7 more
semanticscholar +1 more source
A Modified Surgical Face Mask to Improve Protection and Wearing Comfort
Buildings, 2022 Wearing face masks is essential for reducing infection during the COVID-19 pandemic. However, ordinary surgical face masks can provide only moderate protection.
Tengfei (Tim) Zhang +2 more
doaj +1 more source
An Aisle Displacement Ventilation System for Twin-Aisle Commercial Airliner Cabin [PDF]
E3S Web of Conferences, 2023 The environmental control system in most commercial airliner cabins supplies air from shoulder and ceiling level and exhausts air at floor level on both sides of the cabin walls. The ventilation system mixes air in the cabins to create a relative uniform
Wang Feng, Chen Fan, Zhang Tengfei (Tim)
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Applied Sciences, 2023 An elevator shaft provides passage for air exchange across floors and thus imposes infectious disease transmission risk. The moving elevator car generates positive air pressure in the shaft section to which the car approaches, while negative air pressure
Tengfei (Tim) Zhang +2 more
doaj +1 more source
Dynamic Performance Analysis for an Absorption Chiller under Different Working Conditions
Applied Sciences, 2017 Due to the merits of energy saving and environmental protection, the absorption chiller (AC) has attracted a lot of attention, and previous studies only concentrated on the dynamic response of the AC under a single working condition. However, the working
Jian Wang +5 more
doaj +1 more source