Results 151 to 160 of about 4,370,137 (193)

Cross-Ventilation of a Room in a Courtyard Building

Energy and Buildings, 2016
Abstract The influence of courtyard height on the cross-ventilation of a room abating a courtyard building is addressed in this work. While the cross-ventilation performance of isolated buildings has been thoroughly documented in the literature, the phenomenon is still not tackled in the context of a courtyard building, both in isolated as well as ...
Daniel Micallef
exaly   +2 more sources

An Alternative View on the Theory of Cross-Ventilation

International Journal of Ventilation, 2004
The mechanism of cross ventilation is dealt with in this paper. The results are obtained by a combination of wind tunnel studies and CFD predictions using a Reynolds stress model as the turbulence model. All buildings have been exposed to a uniform velocity field and therefore the reference flow rate for an opening is equal to the velocity multiplied ...
Mats Sandberg
exaly   +2 more sources

Wind-Driven Cross Ventilation With Internal Obstacles

Energy and Buildings, 2013
Abstract Most ventilation models do not consider the influences of furniture and obstacles on building ventilation. This study developed a resistance model to calculate the ventilation rate of wind-driven cross ventilation in a low-rise building with vertical plates in the building.
Chia-Ren Chu
exaly   +2 more sources

Wind-Driven Cross Ventilation in Long Buildings

Building and Environment, 2014
Abstract The rule of thumb for effective wind-driven cross ventilation suggests that the building length L should be less than five times of ceiling height H . This study uses a Large Eddy Simulation model and wind tunnel experiments to investigate the mechanism behind this rule of thumb.
Chia-Ren Chu
exaly   +2 more sources

COVID, Co-Ventilation, and Cross-contamination

Prehospital and Disaster Medicine, 2023
Introduction:During the COVID-19 pandemic, consideration was given to co-ventilating multiple patients on a single ventilator. Prior work had shown that this procedure was possible by ventilating four adult-size sheep for twenty-four hours, and other groups had performed this maneuver during dire circumstances.
Jonathan McMahon, Donald Doukas, Christopher Hanuscin, John Quale, Julie Eason, Habtamu Asrat, Isha Bhatt, Mark Silverberg, Lorenzo Paladino   +8 more
openaire   +1 more source

THE CROSS-VENTILATED TUNNEL SMOKEHOUSE

Canadian Journal of Research, 1946
A tunnel smokehouse with an output of 3000 lb. of smoked fillets per nine hour day has been in operation about one year. The temperature, relative humidity, and smoke velocity are controlled at optimum values independent of climatic conditions. Hence the colour and shrinkage of the product may be standardized and losses from cooking and dropping of ...
E. P. Linton, A. L. Wood
openaire   +1 more source

Valley ventilation by cross winds

Journal of Fluid Mechanics, 1980
An initial thermal stratification may be swept out of a valley if a cross-wind is strong enough: the valley is then said to be ventilated. Numerical and laboratory experiments indicate that the critical parameter is the Froude number, , where is the mean horizontal velocity above the crest of the valley sides, N is the Brunt–Väisälä or bouyancy ...
Robert C. Bell, Rory O. R. Y. Thompson
openaire   +1 more source

COMPARTMENT FIRES: CALTREE AND CROSS-VENTILATION

Combustion Science and Technology, 2007
Abstract Various experimental studies on effect of ventilation on behaviour of fire in compartment are available in literature. Recently, experiments have been conducted to study fire behaviour in compartment with more than one ventilation opening located on opposite walls (Kumar and Naveen, 2007).
RAJIV KUMAR, M. NAVEEN
openaire   +1 more source

Efficacy of ventilation and ventilation adjuncts during in-water-resuscitation—A randomized cross-over trial

Resuscitation, 2013
Drowning is a common cause of death in young adults. The 2010 guidelines of the European Resuscitation Council call for in-water-resuscitation (IWR). There has been controversy about IWR amongst emergency and diving physicians for decades. The aim of the present study was assessing the efficacy of IWR.In this randomized cross-over trial, nineteen ...
Bernd E, Winkler, Anna Magdalena, Eff, Sebastian, Eff, Ulrich, Ehrmann, Andreas, Koch, Wataru, Kähler, Claus-Martin, Muth   +6 more
openaire   +2 more sources

Risk of cross-infection in a hospital ward with downward ventilation

Building and Environment, 2010
A two-bed hospital ward with one standing healthcare person and a ceiling-mounted lowimpulse semicircular inlet diffuser is simulated in a full-scale room. Tracer gas is used for simulating gaseous contaminants, and the concentration is measured at different air change rates and different postures of the patients.
Nielsen, PV, Li, Y, Winther, FV, Buus, M
openaire   +3 more sources