نتایج جستجو برای: air filtration

تعداد نتایج: 242582  

Journal: :international journal of architectural engineering and urban planning 0
asad ghobadi faculty of environmental planning,department of physical climatology,university of sistan & baluchestan ,zahedan, mahmood khosravi faculty of environmental planning,department of physical climatology,university of sistan & baluchestan ,zahedan, taghi tavousi department of climatology , faculty of environmental planning, university of sistan and baluchestan , zahedan ,iran.

this paper examines the utility of the air pollution model (tapm) in simulating meteorology and dispersion of pm10 and wind data in order to assess the impacts of wind variability function on urban heat island for the day of 25, november, 2012 in karaj city that experienced severe degradation in air quality. drawing, skew-t diagrams, maps of surface pressure (500hp), omega (850hp) and atmospher...

2005
Christian Steinberg

Within the scope of the interdisciplinary NASRI research project (Natural and Artificial Systems for Recharge and Infiltration) dealing with river bank filtration processes at Berlin water works, a semi-technical column experiment has been ongoing since January 2003 to simulate river bank filtration. Here a 30 m long group of 6 soil columns is operated by surface water sampled from lake Tegel (...

2015
Dan Zhao Parham Azimi Brent Stephens Gary Adamkiewicz Patricia Fabian

Much of human exposure to fine particulate matter (PM2.5) of outdoor origin occurs in residences. High-efficiency particle air filtration in central heating, ventilating, and air-conditioning (HVAC) systems is increasingly being used to reduce concentrations of particulate matter inside homes. However, questions remain about the effectiveness of filtration for reducing exposures to PM2.5 of out...

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