The Mathematics of Blunt Body Sampling (Paperback)

Particle samplers are widely used in workplaces in order to determine the concentration of airborne particles in the atmosphere. They generally operate by drawing air, with the aid of a pump, through one or more orifices in the sampler body and housed within the sampler is a filter through which the air is subsequently drawn. The airborne particles are collected on the filter and their concentration is determined. Various samplers have been designed for this purpose including "static" samplers, which are located in a fixed position in a working environment and determine the dust concentration averaged over a prescribed period of time at that one point, and "personal" samplers which are mounted on a working person near to the breathing zone. The ORB sampler, a static sampler designed by Ogden and Birkett (1978) to have approximately the same entry efficiency, for particles with aerodynamical diameter up to at least 25 m, as a human head equally exposed to all wind directions for wind speeds between 0 and 2. 75m1s, is shown in Fig. l. l and examples of personal samplers are shown in Fig. 1. 2a, b and c and represent a single 4mm hole sampler, a seven hole sampler and a 25mm open face filter holder respectively. These three samplers are some of the most commonly used personal samplers for sampling the total airborne concentrations of workplace dusts in Britain.

General

Imprint:	Springer-Verlag
Country of origin:	Germany
Series:	Lecture Notes in Engineering, 38
Release date:	October 1988
First published:	1988
Authors:	Sarah J Dunnett • Derek B. Ingham
Dimensions:	244 x 170 x 13mm (L x W x T)
Format:	Paperback
Pages:	231
ISBN-13:	978-3-540-50147-3
Categories:	Books > Professional & Technical > Environmental engineering & technology > Pollution control Books > Science & Mathematics > Mathematics > Applied mathematics > Mathematics for scientists & engineers Books > Earth & environment > Earth sciences > Geology & the lithosphere > Soil science, sedimentology Books > Earth & environment > The environment > Waste management > General Books > Earth & environment > The environment > Pollution & threats to the environment > General Books > Professional & Technical > Environmental engineering & technology > Sanitary & municipal engineering > Water supply & treatment > General
LSN:	3-540-50147-9
Barcode:	9783540501473

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