Results 21 to 30 of about 68,609 (293)

Indoor air quality guidelines [PDF]

open access: yesOccupational and Environmental Medicine, 2002
“Health-based standards exist for outdoor air, and there are good arguments for developing equivalent indoor air quality guidelines” It seems self evident that if there are health based standards for outdoor air quality, there is no reason that there should not also be standards applied to the indoor environment. After all, it is indoors that we spend
openaire   +2 more sources

A Modified Surgical Face Mask to Improve Protection and Wearing Comfort

open access: yesBuildings, 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

Numerical Modeling of Cross-Transmission of Airborne Pollutants in a High-Rise Building Induced by Elevator Car Movement

open access: yesApplied 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

An Aisle Displacement Ventilation System for Twin-Aisle Commercial Airliner Cabin [PDF]

open access: yesE3S 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)
doaj   +1 more source

Actions to reduce the impact of construction products on indoor air: outcomes of the European project Healthy Air [PDF]

open access: yes, 2010
The European project - HealthyAir is a network project involving six institutions in Europe on actions and activities that address the effects of construction products on indoor air.
Crump, D.   +17 more
core   +1 more source

Dynamic Performance Analysis for an Absorption Chiller under Different Working Conditions

open access: yesApplied 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

Simulation Study of the Capture and Purification Performance of Exhaust Fume Systems in Chinese Commercial Kitchens—Case Study in Tianjin

open access: yesApplied 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

Indoor Air Quality in restaurant kitchens

open access: yes, 2022
The present project is focused on Indoor Air Quality (IAQ) in restaurant kitchens, with the main objective of assessing the emissions of dishwashing and cooking activities.
Campagnolo D.   +8 more
core   +1 more source

Studies of Subjective Sleep Thermal Comfort and Adaptive Behaviors in Chinese Residential Buildings in Nine Cities [PDF]

open access: yesE3S Web of Conferences, 2019
Sleep thermal comfort greatly impacts the quality of sleep. For residents from different climate regions, their level of sleep thermal comfort may have a large difference due to the variations in climate, and other adaptive factors such as the changes in
Hong Weiping   +3 more
doaj   +1 more source

Impact of Seat Inclination and Misalignment on Airborne Pollutant Transport in a Single-Aisle Aircraft Cabin

open access: yesApplied Sciences, 2022
Airborne pollutant transport in an aircraft cabin is greatly affected by the created airflow. The seat layout can impact the flow and thus the pollutant transport. Most studies have adopted symmetric upright seats for simplicity.
Tengfei (Tim) Zhang   +2 more
doaj   +1 more source

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