Results 41 to 50 of about 124,322 (192)

Airflow Analysis of the Haida Plank House, a Breathing Envelope

open access: yesEnergies, 2021
The Haida plank house is one of the most important models built by the native American Indians. Built on the southwest coast of Canada, it adapts the tradition of the ancient pit houses to the requirements of the humid and cold climate characteristic of ...
Roberto Alonso González Lezcano   +1 more
doaj   +1 more source

Analysis of Jet Fan Ventilation System installed in an Underground Car Park with Partition Walls

open access: yesJournal of Sustainable Development of Energy, Water and Environment Systems, 2018
The jet fan ventilation system is one of various ventilation systems available for the purpose of carbon monoxide extraction in underground car parks. Such a system is dependent not only on the rules applied during the design, but also the architecture ...
Željko Špiljar   +2 more
doaj   +1 more source

COMPUTER MODELING OF AIR POLLUTION IN CASE OF DUST CLOUD MOVEMENT IN OPEN PIT MINE

open access: yesNauka ta progres transportu, 2019
Purpose. Explosions in open pits lead to the formation of dust clouds. These clouds lead to intense air pollution. An important task is the development of methods for predicting the dynamics of atmospheric air pollution during explosions in open pits ...
V. V. Biliaieva   +4 more
doaj   +1 more source

Increasing ventilation reduces SARS-CoV-2 airborne transmission in schools: a retrospective cohort study in Italy's Marche region [PDF]

open access: yesarXiv, 2022
Background: While increasing the ventilation rate is an important measure to remove inhalable virus-laden respiratory particles and lower the risk of infection, direct validation in schools with population-based studies is far from definitive. Methods: We investigated the strength of association between ventilation and SARS-CoV-2 transmission ...
arxiv  

Combustion of Solid Fuel in a Vortex Furnace with Counter-swirling Flows [PDF]

open access: yesProblems of the Regional Energetics, 2017
The results of computer simulation of the processes of incineration of low-grade solid fuel-pulverized peat with a moisture content of 40%, an ash content of 6% are given.
Redko A.A., Redko I.A., Redko A.F.
doaj  

Gear and Runge–Kutta Numerical Discretization Methods in Differential Equations of Adsorption in Adsorption Heat Pump

open access: yesApplied Sciences, 2018
The main aim of this paper was to find the correct method of calculating equations of heat and mass transfer for the adsorption process and to calculate it numerically in reasonable time and with proper accuracy. An adsorption heat pump with a silica gel
Katarzyna Zwarycz-Makles   +1 more
doaj   +1 more source

Forecasting Pressure Of Ventilator Using A Hybrid Deep Learning Model Built With Bi-LSTM and Bi-GRU To Simulate Ventilation [PDF]

open access: yesarXiv, 2023
A ventilator simulation system can make mechanical ventilation easier and more effective. As a result, predicting a patient's ventilator pressure is essential when designing a simulation ventilator. We suggested a hybrid deep learning-based approach to forecast required ventilator pressure for patients.
arxiv  

A LSTM-RNN based intelligent control approach for temperature and humidity environment of urban utility tunnels

open access: yesHeliyon, 2023
Temperature and relative humidity are important indicators of utility tunnel indoor atmosphere hazards and operational risks, which can be effectively mitigated by accurate forecasting and corrective control measures.
Fang-Le Peng, Yong-Kang Qiao, Chao Yang
doaj  

Aerodynamic processes and heat exchange in the furnace of a steam boiler with a secondary emitter

open access: yesAlexandria Engineering Journal, 2019
The use of water-tube boilers is common in industrial and municipal boiler houses and they are used as the sources of heat and steam supply. The introduction of measures that ensure environmental performance at an acceptable level, the use of modern ...
Andriy Redko   +7 more
doaj  

A numerical approach to evaluating what percentage of a living space is well-ventilated, for the assessment of thermal comfort [PDF]

open access: yesEnergy and Buildings 38, 9 (2006) 1093-1103, 2012
A bioclimatic approach to designing comfortable buildings in hot and humid tropical regions requires, firstly, some preliminary, important work on the building envelope to limit the energy contributions, and secondly, an airflow optimization of the building. For the first step, tools such as nodal or zonal models have been largely implemented.
arxiv  

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