Aerosol Filtration

Aerosol Filtration
Author: Dominique Thomas
Publisher: Elsevier
Total Pages: 228
Release: 2016-11-30
Genre: Science
ISBN: 008102116X

Filtration of aerosols is omnipresent in our daily lives, in areas as diverse as health, the protection of people and the environment, and air treatment inside buildings. However, the collection of particles within a filter media is not, contrary to popular belief, linked to a simple screen effect. The phenomena involved are much more complex and require the consideration of aerosol interactions, filter media and process conditions to select the best fiber filter for a given application. Aerosol Filtration, book for students, hygiene or process engineers, fibrous media manufacturers, designers, and filtration system suppliers or users addresses the filtration of aerosols in six chapters. These chapters cover physics and aerosol characterization, the fibrous media, and efficiency and filter clogging by solid or liquid aerosols, with special attention to the filtration of the nanoparticles. - Analyses the behavior of fibrous media against solid and liquid aerosols - Presents models of efficiency and pressure drop - Introduces computing elements for estimating the lifetime of filters - Provides guidance for designing filters and predicting their behavior over time

Air Pollution Calculations

Air Pollution Calculations
Author: Daniel A. Vallero
Publisher: Elsevier
Total Pages: 571
Release: 2019-05-03
Genre: Technology & Engineering
ISBN: 0128149353

Air Pollution Calculations introduces the equations and formulae that are most important to air pollution, but goes a step further. Most texts lack examples of how these equations and formulae apply to the quantification of real-world scenarios and conditions. The ample example calculations apply to current air quality problems, including emission inventories, risk estimations, biogeochemical cycling assessments, and efficiencies in air pollution control technologies. In addition, the book explains thermodynamics and fluid dynamics in step-by-step and understandable calculations using air quality and multimedia modeling, reliability engineering and engineering economics using practical examples likely to be encountered by scientists, engineers, managers and decision makers. The book touches on the environmental variables, constraints and drivers that can influence pollutant mass, volume and concentrations, which in turn determine toxicity and adverse outcomes caused by air pollution. How the pollutants form, move, partition, transform and find their fate are explained using the entire range of atmospheric phenomena. The control, prevention and mitigation of air pollution are explained based on physical, chemical and biological principles which is crucial to science-based policy and decision-making. Users will find this to be a comprehensive, single resource that will help them understand air pollution, quantify existing data, and help those whose work is impacted by air pollution. - Explains air pollution in a comprehensive manner, enabling readers to understand how to measure and assess risks to human populations and ecosystems actually or potentially exposed to air pollutants - Covers air pollution from a multivariate, systems approach, bringing in atmospheric processes, health impacts, environmental impacts, controls and prevention - Facilitates an understanding of broad factors, like climate and transport, that influence patterns and change in pollutant concentrations, both spatially and over time

Diesel Engine Transient Operation

Diesel Engine Transient Operation
Author: Constantine D. Rakopoulos
Publisher: Springer Science & Business Media
Total Pages: 408
Release: 2009-03-10
Genre: Technology & Engineering
ISBN: 1848823754

Traditionally, the study of internal combustion engines operation has focused on the steady-state performance. However, the daily driving schedule of automotive and truck engines is inherently related to unsteady conditions. In fact, only a very small portion of a vehicle’s operating pattern is true steady-state, e. g. , when cruising on a motorway. Moreover, the most critical conditions encountered by industrial or marine engines are met during transients too. Unfortunately, the transient operation of turbocharged diesel engines has been associated with slow acceleration rate, hence poor driveability, and overshoot in particulate, gaseous and noise emissions. Despite the relatively large number of published papers, this very important subject has been treated in the past scarcely and only segmentally as regards reference books. Merely two chapters, one in the book Turbocharging the Internal Combustion Engine by N. Watson and M. S. Janota (McMillan Press, 1982) and another one written by D. E. Winterbone in the book The Thermodynamics and Gas Dynamics of Internal Combustion Engines, Vol. II edited by J. H. Horlock and D. E. Winterbone (Clarendon Press, 1986) are dedicated to transient operation. Both books, now out of print, were published a long time ago. Then, it seems reasonable to try to expand on these pioneering works, taking into account the recent technological advances and particularly the global concern about environmental pollution, which has intensified the research on transient (diesel) engine operation, typically through the Transient Cycles certification of new vehicles.

Fundamentals of Air Cleaning Technology and Its Application in Cleanrooms

Fundamentals of Air Cleaning Technology and Its Application in Cleanrooms
Author: Zhonglin Xu
Publisher: Springer Science & Business Media
Total Pages: 871
Release: 2013-10-10
Genre: Technology & Engineering
ISBN: 3642393748

Fundamentals of Air Cleaning Technology and Its Application in Cleanrooms sets up the theoretical framework for cleanrooms. New ideas and methods are presented, which include the characteristic index of cleanrooms, uniform and non-uniform distribution characteristics, the minimum sampling volume, a new concept of outdoor air conditioning and the fundamentals of leakage-preventing layers. Written by an author who can look back on major scientific achievements and 50 years of experience in this field, this book offers a concise and accessible introduction to the fundamentals of air cleaning technology and its application. The work is intended for researchers, college teachers, graduates, designers, technicians and corporate R&D personnel in the field of HVAC and air cleaning technology. Zhonglin Xu is a senior research fellow at China Academy of Building Research.

TID.

TID.
Author:
Publisher:
Total Pages: 64
Release: 1961
Genre: Energy development
ISBN:

Air Filtration

Air Filtration
Author: R.C. Brown
Publisher: Pergamon
Total Pages: 300
Release: 1993-11-02
Genre: Science
ISBN:

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.

Industrial and Technological Applications of Transport in Porous Materials

Industrial and Technological Applications of Transport in Porous Materials
Author: J.M.P.Q. Delgado
Publisher: Springer Science & Business Media
Total Pages: 286
Release: 2013-08-17
Genre: Technology & Engineering
ISBN: 3642374697

The purpose of this book, Industrial and Technological Applications of Transport in Porous Materials, is to provide a collection of recent contributions in the field of heat and mass transfer in porous media and their industrial and technological applications. The main benefit of the book is that it discusses some of the most important topics related to transport phenomenon in engineering and their future applications. It includes a set of new technological applications in the field of heat and mass transfer phenomena in a porous medium domain, such as, drying technology, filtration, infrared thermography, energy, recycling, etc. At the same time, these topics will be going to the encounter of a variety of scientific and engineering disciplines, such as chemical, civil, agricultural, mechanical engineering, etc. The book is divided in several chapters that intend to be a resume of the current state of knowledge for benefit of professional colleagues.