نتایج جستجو برای: desk displacement ventilation
تعداد نتایج: 106587 فیلتر نتایج به سال:
8 High concentrations of airborne particulate matter in factories can cause serious health problems 9 for workers. One significant reason for these high concentrations is the poor performance of the 10 ventilation systems in workplaces. This investigation developed a strategy that combines 11 computational fluid dynamics (CFD) simulations and on-site measurements to study and improve 12 the ven...
We tested the hypothesis that diaphragm muscle shortening modulates volume displacement and kinematics of the lower rib cage in dogs and that posture and mode of ventilation affect such modulation. Radiopaque markers were surgically attached to the lower three ribs of the rib cage and to the midcostal region of the diaphragm in six dogs of ∼8 kg body masses, and the locations of these markers w...
While energy efficiency is important, the adoption of energy-efficient ventilation systems still requires the provision of acceptable indoor air quality. Many low-energy systems, such as displacement or natural ventilation, rely on temperature stratification within the interior environment, always extracting the warmest air from the top of the room. Understanding buoyancy-driven convection in a...
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