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In light of the substantial threats to public health and quality of life brought about by air pollution, it is high time that we think of how we can protect human health and deal with particulate matter and volatile organic compounds in an efficient and economical manner.
- Air filtration : an integrated approach to the theory and applications of fibrous filters
- Filtration efficiency of a fibrous filter for nanoparticles
- Air Filtration
- Air filtration: An integrated approach to the theory and applications of fibrous filters
Application of nanofibers has become an emerging approach to enhance filtration efficiency, but questions arise about the decrease in Quality factor QF for certain particles due to the rapidly increasing pressure drop. In this paper, we theoretically investigate the QF of dual-layer filters for filtration of monodisperse and polydisperse nanoparticles.
The main objective of this study was to present one of the possibilities of increasing the initial efficiency of aerosol particle removal from the gas stream, i. The modified melt-blown technique of producing such thin fibers is hereby presented. During this work, various filter media with fiber diameters from micro- to nanosized made of selected polymers differing in melt flow index were obtained via this method.
Air filtration : an integrated approach to the theory and applications of fibrous filters
In addition, the effects of relative humidity and particle charge were investigated for various nanoparticle diameters. These results are particularly important for experimental investigations of the behavior of nanoparticles on a filter. This is a preview of subscription content, access via your institution. Rent this article via DeepDyve. Ackley M.
Filtration efficiency of a fibrous filter for nanoparticles
The need for clean air has probably never been greater. Many industrial employees need to avoid exposure to airborne particulates, while certain industrial processes demand clean air of exceptional quality. Medical and biological fields rely on sterile air, while filtration can improve air quality in offices, homes and all types of transport. Filters act in a variety of complex and subtle ways. Each chapter introduces its subject matter simply, before tackling the problem in greater depth. The book therefore provides an excellent basis for detailed study, but is also invaluable to anyone needing an overview of the subject.
Table of contents. Please choose whether or not you want other users to be able to see on your profile that this library is a favorite of yours. Finding libraries that hold this item This book provides both an introduction to the subject and more detailed study. It should be essential reading for anyone involved in maintenance or monitoring of air quality.
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The need for clean air has probably never been greater. Many industrial employees need to avoid exposure to airborne particulates, while certain industrial processes demand clean air of exceptional quality. Medical and biological fields rely on sterile air, while filtration can improve air quality in offices, homes and all types of transport.
A simulation model for electret filter made of split type fibers has been developed to study the filtration efficiency as well as the particle loading process. The filter was assumed to be composed of rectangular fibers arranged in staggered array in which the flow field, the electrostatic field and the collection mechanisms were determined by numerical simulation. Single fiber efficiencies under various filtration conditions were calculated and compared with results obtained from semi-empirical expressions derived from experimental results.
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Air filtration: An integrated approach to the theory and applications of fibrous filters
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Скорее всего Северная Дакота попал в ловушку. Стратмор опустился на колени и повернул тяжелый винтовой замок. Теперь крышку не поднять изнутри. Подсобка компьютера надежно закрыта. Ни он, ни Сьюзан не услышали тихих шагов в направлении Третьего узла. ГЛАВА 60 По зеркальному коридору Двухцветный отправился с наружной террасы в танцевальный зал. Остановившись, чтобы посмотреть на свое отражение в зеркале, он почувствовал, что за спиной у него возникла какая-то фигура.
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