Results 11 to 20 of about 3,890,110 (215)

Air change efficiency of room ventilation units [PDF]

open access: yesE3S Web of Conferences, 2019
The purpose of this study is to investigate the air change efficiency of commonly used residential room ventilation units with tracer gas concentration decay method. Carbon dioxide was used as a tracer gas in both laboratory and field measurements.
Mikola Alo   +2 more
doaj   +2 more sources

Quantifying the performance of natural ventilation windcatchers [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Doctor of Environmental Technology and awarded by Brunel University, 2010.The significant energy consumption of non- domestic buildings has led to renewed interest in natural ventilation strategies ...
Jones, B, Jones, Benjamin Michael
core   +6 more sources

Guidelines on setting the target minute ventilation in Adaptive Support Ventilation

open access: yes, 2021
Adaptive Support Ventilation (ASV) is a fully closed loop ventilation where the operator input the desired PEEP, FiO2 and the target minute ventilation (MV) expressed as a percentage according to ideal body weight.
Ehab G. Daoud   +4 more
core   +1 more source

Strategies to Enhance Contamination Control Performance through Ventilation Improvement in a Biosafety Laboratory Building

open access: yesBuildings, 2022
A biosafety level (BSL) laboratory is a set of biocontainment preventative measures used to prevent and isolate hazardous biological agents or their accidental release in a laboratory. It is vital to provide a negative-pressurized environment for disease
Indra Permana   +3 more
doaj   +1 more source

From state-of-the-art ventilation to closed loop ventilation

open access: yes, 2022
Recent emphasis on energy load delivered during each ventilatory breath has opened a new insight to reduce harmful ventilatory induced lung injury, but no robust clinical evidence of patient benefit produced yet. Closed loop ventilation is a strategy to
Andreas Schibler   +5 more
core   +1 more source

Effect of combined side-wall air supply on ventilation and respiratory pollutant dispersion characteristics of high-speed trains

open access: yesEngineering Applications of Computational Fluid Mechanics, 2023
The ventilation system significantly affects the energy saving, thermal comfort, and pollutant dispersion characteristics of high-speed trains. Using Computational Fluid Dynamics (CFD), the effects of combining side-wall air supply with side roof or ...
Songbo Wu, Tian Li, Jiye Zhang
doaj   +1 more source

Pioneers in Mechanical Ventilation: Björn Jonson

open access: yes, 2022
In this article, we highlight one of the pioneers of mechanical ventilation. Dr Björn Jonson is a physiologist, physician and currently a Professor Emeritus at Lund University in Sweden. He has spent the last sixty years of his life dedicated to research
Daoud, Ehab   +3 more
core   +1 more source

Thermo-Fluid Simulation for Indoor Air Quality and Buildings Thermal Comfort [PDF]

open access: yesMATEC Web of Conferences, 2020
Air conditioning systems are seen as a crucial part of any structure because they are directly related to the comfort of the occupants. Finding a conditioning system that exhibits not only a high level of comfort, but also a decrease in energy ...
Morsli Souad.   +4 more
doaj   +1 more source

CFD Model Verification and Aerodynamic Analysis in Large-Scaled Venlo Greenhouse for Tomato Cultivation

open access: yesAgriEngineering, 2023
To address the challenges of climate change and food security, the establishment of smart farm complexes is necessary. While there have been numerous studies on the productivity and environmental control of individual greenhouses, research on greenhouse ...
Anthony Kintu Kibwika   +2 more
doaj   +1 more source

Research on Rational Structure of High Efficiency Fan Station

open access: yesMeikuang Anquan, 2020
In order to reduce the disturbance energy loss in the process of inlet diversion and outlet jet flow of parallel fan station, taking the parallel connection of two fans as an example, a high-efficiency and low resistance parallel station structure ...
KANG Ensheng, WANG Wencai, ZHAO Xiaokun
doaj   +1 more source

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