<i>Small Particle Statistics</i>

Herdan, Gustav; Smith, M. L.; Hardwick, W. H.; Connor, P.; Öpik, E.

doi:10.1063/1.3057978

Cited by 121 publications

(72 citation statements)

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“…In the laboratory quantitative analyses were conducted on texture by sieving washed samples in glass-bead calibrated sieves (Herdan, 1960; and Appendix C).…”

Section: Methods Of Studymentioning

confidence: 99%

The Role of Shell Material in the Natural Sand Replenishment Cycle of the Beach and Nearshore Area between Lake Worth Inlet and the Miami Ship Channel

Rusnak¹,

Stockman²,

Hofmann³

1966

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“…In the laboratory quantitative analyses were conducted on texture by sieving washed samples in glass-bead calibrated sieves (Herdan, 1960; and Appendix C).…”

Section: Methods Of Studymentioning

confidence: 99%

The Role of Shell Material in the Natural Sand Replenishment Cycle of the Beach and Nearshore Area between Lake Worth Inlet and the Miami Ship Channel

Rusnak¹,

Stockman²,

Hofmann³

1966

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“…This investigation sets aside the lack of uniformity over longer spatial scales and focuses on finer structure-the domain where one might be more tempted to apply the results of, e.g., Scrase (1935), Badger (1946), Herdan (1960). We are testing the hypothesis that, when the background concentration is "constant", the aerosol particles are distributed perfectly randomly (i.e.…”

Section: Basic Trendsmentioning

confidence: 99%

“…There is a fair amount of literature supporting the Poisson formulation. Herdan (1960) and the sources cited therein (Badger, 1946;Fairs, 1943;Scrase, 1935) argue that Poisson statistics are appropriate for suspended particles in a fluid. Additional evidence for Poisson statistics (which can be physically interpreted as perfect spatial randomness) can be found in Green (1927) and Chapman and Ruhf (1955) (the latter of which cites the conclusions from Student, 1907).…”

Section: Introductionmentioning

confidence: 99%

Spatial distributions of aerosol particles: Investigation of the Poisson assumption

Larsen

2007

Journal of Aerosol Science

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Atmospheric particulates are known to be distributed non-uniformly in space due to spatially localized sources and incomplete mixing. Many studies have extensively examined the variability of aerosol particle concentrations on diurnal, seasonal, and annual timescales. Receiving much less attention, however, are aerosol particle spatial distributions on shorter ( 5 min) temporal scales. Knowledge regarding the spatial distribution on these temporal scales is vital to fully understand and predict the properties of microphysical processes like activation, coagulation, and collision/coalescence, as well as some large-scale phenomena like radiation attenuation through a thick yet dilute layer of particles. Traditional treatments of microphysical phenomena often implicitly assume that particles are perfectly randomly distributed (obey Poisson statistics) on short temporal scales, even though this assumption may be inconsistent with observations made on longer scales. This study seeks to explicitly resolve the statistics of particle positions on a variety of temporal scales (over five orders of magnitude) to determine if and when the assumption of perfect spatial randomness can be justified in nature. Some implications of the results are discussed. ᭧

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“….tivity of the gas in the pores (see, for instance, Equation 66). This lowering can be large enough to more than override the increased gas bulk conductivity.…”

Section: Effect Of Particle Parametersmentioning

confidence: 99%

“…vi ty of bulk gas. g _k 0 apparent thermal conductivi~y of gas defined by Equation 66 • . g modified gas.…”

Section: Disclaimermentioning

confidence: 99%

THERMAL CONDUCTIVITY OF MAGNESIA, ALUMINA, AND ZIRCONIA POWDERS IN AIR AT ATMOSPHERIC PRESSURE FROM 200 DEG F TO 1500 DEG F (Thesis)

Godbee¹

1966

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Small Particle Statistics

Cited by 121 publications

References 0 publications

The Role of Shell Material in the Natural Sand Replenishment Cycle of the Beach and Nearshore Area between Lake Worth Inlet and the Miami Ship Channel

The Role of Shell Material in the Natural Sand Replenishment Cycle of the Beach and Nearshore Area between Lake Worth Inlet and the Miami Ship Channel

Spatial distributions of aerosol particles: Investigation of the Poisson assumption

THERMAL CONDUCTIVITY OF MAGNESIA, ALUMINA, AND ZIRCONIA POWDERS IN AIR AT ATMOSPHERIC PRESSURE FROM 200 DEG F TO 1500 DEG F (Thesis)

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