Last edited by Voodooramar
Monday, July 20, 2020 | History

4 edition of Hygroscopic aerosols found in the catalog.

Hygroscopic aerosols

by Workshop on Hygroscopic Aerosols in the Planetary Boundary Layer (1982 Vail, Colo.)

  • 67 Want to read
  • 11 Currently reading

Published by A. Deepak Pub. in Hampton, Va .
Written in English

    Subjects:
  • Aerosols -- Congresses.,
  • Humidity -- Congresses.,
  • Boundary layer (Meteorology) -- Congresses.,
  • Atmospheric radiation -- Congresses.

  • Edition Notes

    Statementedited by Lothar H. Ruhnke and Adarsh Deepak.
    GenreCongresses.
    SeriesStudies in geophysical optics and remote sensing
    ContributionsRuhnke, Lothar H., Deepak, Adarsh., Naval Research Laboratory (U.S.)
    Classifications
    LC ClassificationsQC882 .W67 1982
    The Physical Object
    Paginationxiv, 375 p. :
    Number of Pages375
    ID Numbers
    Open LibraryOL2847386M
    ISBN 100937194026
    LC Control Number84009529

      For other values of γ, hygroscopic size changes require a two-way coupled treatment to predict accurately. Values of γ and ç are estimated for several hygroscopic aerosols whose behavior is given in the literature, and it is found that these aerosols Cited by: Towards closing the gap between hygroscopic growth and CCN activation for secondary organic aerosols – Part 3: Influence of the chemical composition on the hygroscopic properties and volatile fractions of aerosols L. Poulain1, Z. Wu 1, M. D. Petters2,*, H. Wex 1, E. Hallbauer1, B. Wehner 1, A. Massling1,**, S. M. Kreidenweis2, and F. Stratmann1Cited by:

    Hygroscopic growth is one of the most fundamental properties of atmospheric aerosols. By absorbing or evaporating water, an aerosol particle changes its size, morphology, phase, chemical composition and reactivity and other parameters such as its refractive changes affect the fate and the environmental impacts of atmospheric aerosols, including global climate by: Aerosol can defective, won't spray product. All air exhausted from can, no liquid came out. Company says defective can but won't replace because I bought at Amazon. Amazon won't accept certain aerosols as returns, so I've lost my money, wasted my time, and am very angry. I hope this review deters anyone else from buying this product/5().

      Hygroscopic properties are an important parameter in determining the atmospheric behaviour of aerosols and their optical properties, influencing the direct and indirect effect of aerosols upon climate. As a result, particle hygroscopicity has received much attention with a rapid increase of publications in recent by: @article{osti_, title = {Phase transformation and growth of hygroscopic aerosols}, author = {Tang, I.N.}, abstractNote = {Ambient aerosols frequently contain large portions of hygroscopic inorganic salts such as chlorides, nitrates, and sulfates in either pure or mixed forms. Such inorganic salt aerosols exhibit the properties of deliquescence and efflorescence in air.


Share this book
You might also like
Personal social services expenditure staffing and activities

Personal social services expenditure staffing and activities

Across the sea wall.

Across the sea wall.

Philosophy as a science, its matter and its method

Philosophy as a science, its matter and its method

Papers.

Papers.

Cabbage

Cabbage

William H. Rogers.

William H. Rogers.

Organizing and Staffing the Presidency: Vol. III.

Organizing and Staffing the Presidency: Vol. III.

Starch and starch containing origins

Starch and starch containing origins

Principles of rock classification

Principles of rock classification

livre dor du cinema francais.

livre dor du cinema francais.

Metric methods in Finsler spaces and in the foundations of geometry

Metric methods in Finsler spaces and in the foundations of geometry

Healing Animals With Herbs

Healing Animals With Herbs

Estimates.

Estimates.

American national election study, 1974

American national election study, 1974

Van Hoose and Gullett descendants and ancestors

Van Hoose and Gullett descendants and ancestors

Dictionary of chemical names and synonyms

Dictionary of chemical names and synonyms

Umfundisi

Umfundisi

Hygroscopic aerosols by Workshop on Hygroscopic Aerosols in the Planetary Boundary Layer (1982 Vail, Colo.) Download PDF EPUB FB2

This volume contains the technical proceedings of the Workshop on Hygroscopic Aerosols in the Planetary Boundary Layer held in Vail, Colorado, April Atmospheric water vapor plays an important role in the evolution, growth, and decay processes of atmospheric aerosols.

Hygroscopic and Chemical Properties of Aerosols Collected near a Copper Smelter: Implications for Public and Environmental Health Hygroscopic aerosols book Environmental Science & Technology. Particulate matter emissions near active copper smelters and mine tailings in the southwestern United States pose a potential threat to nearby environments owing to toxic species that can be inhaled and deposited in various regions of.

Hygroscopic and Chemical Properties of Aerosols collected near a Copper Smelter: Implications for Public and Environmental Health Armin Sorooshian, 1, 2, * Janae Csavina, 1 Taylor Shingler, 1 Stephen Dey, 3 Fred J.

Brechtel, 3 A. Eduardo Sáez, 1 and Eric A. Betterton 2Cited by: A material is non-hygroscopic, if it doesn’t absorb water vapour at RH’s below saturation. According to this definition a salt or drug is hygroscopic, that is all soluble in water.

Hygroscopic materials are widely used in medicine for therapeutic and diagnostic purposes. Hygroscopic materials are present in atmospheric aerosol by: 4. Reviewer: This manuscript describes the hygroscopic properties of the aerosol during summertime in the North China plain.

Hygroscopic growth for RH values between 90 and % are presented. Parameterizations of hygroscopic properties are carried out, and the diurnal variation of the aerosol is discussed and compared to modelled values. If the address matches an existing account you will receive an email with instructions to reset your passwordCited by: 7.

A curved multi-component aerosol hygroscopicity model framework: Part 1 – Inorganic compounds Article (PDF Available) in ATMOSPHERIC CHEMISTRY AND PHYSICS 5(5) May with Reads.

We report measurements of the subsaturated hygroscopic growth of aerosol particles composed of single organic components of varying oxygen-to-carbon ratio up to relative humidities approaching saturation using the techniques of aerosol optical tweezers and an electrodynamic by: The hygroscopic behavior significantly influences the size distribution of atmospheric aerosols.

The particle growth as a function of relative humidity (RH) has been measured with various methods; each method has some by: Abstract. The effect of humidity, particle hygroscopicity and size on the mass loading capacity of glass fiber HEPA filters has been studied. At humidifies above the deliquescent point, the pressure drop across the HEPA filter increased non-linearly with the areal loading density (mass collected/filtration area) of NaCl aerosol, thus significantly reducing the mass loading capacity of the.

The hygroscopic behaviour of individual aerosol particles from workplaces in a primary aluminium smelter was investigated by environmental scanning electron a high relative humidity, comparable with the human respiratory tract, most particles encountered in the Søderberg and Prebake potrooms either undergo partial deliquescence (leading to a water droplet with an insoluble core.

In addition, the size changes of MBL aerosols with RH are different for low and high surface wind conditions as revealed by observations and Mie scattering calculations, which may be related to different dominant processes (i.e., the hygroscopic growth process during low wind and the evaporation process during sea salt production during high wind).Cited by: 2.

Novel method of generation of Ca(HCO3)2 and CaCO3 aerosols and first determination of hygroscopic and cloud condensation nuclei activation properties D. Zhao1,2, A. Buchholz2, Th. Mentel2, K.-P. Muller. "Technical proceedings of the Workshop on Hygroscopic Aerosols in the Planetary Boundary Layer, held in Vail, Colorado, Aprilsponsored by Naval Research Laboratory [and others]".

Hygroscopicity is one of the most important physicochemical properties of aerosol particles and also plays indispensable roles in many other scientific and technical fields. Hygroscopic materials may be added to products due to their ability to attract and hold moisture.

These substances are referred to as humectants. Examples of humectants used in food, cosmetics, and drugs include salt, honey, ethanol, and sugar. Both natural and anthropogenic sources contribute to the formation of ambient aerosols, which are composed mostly of sulfates, nitrates and chlorides in either pure or mixed forms.

These inorganic salt aerosols are hygroscopic by nature and exhibit the properties Cited by: In this paper, the authors investigated some microphysical and optical properties of continental clean aerosols from OPAC to determine the effect of hygroscopic growth at the spectral range of μm to μm and eight relative humidities (RHs) (0%, 50%, 70%, 80%, 90%, 95%, 98% and 99%).

The microphysical properties extracted were radii, volume mix ratio, number mix ratio and mass mix Cited by: 3. More‐hygroscopic particles were found to be more CCN active than less‐hygroscopic particles of the same size, indicating that hygroscopicity is a critical factor regulating CCN activity.

The chemical compositions of particles were simultaneously measured using an aerosol mass by: Aerosol hygroscopic growth is defined as the ratio of the wet particle diameter to the dry diameter.

Similarly, the aerosol humidification factor f (RH) is the ratio of the light scattering at a given RH to a reference RH typically ≤40% (e.g., Ferrare et al., ; Jefferson et al., ; Pahlow et al., ). Paperback Aerosol hygroscopicity has a significant effect on radiative properties of aerosols.

Here a lidar method, applicable to cloud-capped, well-mixed atmospheric boundary layers, is employed to determine the hygroscopic growth factor f(RH) under unperturbed, ambient atmospheric by: ).

Moreover, as the measured hygroscopic growth curve of NaCl aerosols shows in Fig. 2(b2), good agreement is also observed between the GFs and theoretical hygroscopic curve. For Na 2SO 4 aerosols, as can be seen from Fig. 2(a3), crystalline Na 2SO 4 particles remain unchanged until RH reaches the DRH.

Then, they deliquesce spontaneously to.This unique reference integrates the theory and practical use of aerosols in inhalation therapy into a single resource-presenting the physical chemistry of formulation, the physics of aerosol generation, aerodynamic behavior, and therapeutic up-to-date techniques for droplet and particle generation, including air-blast and ultrasonic nebulizers, propellant-driven metered Reviews: 1.