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Titolo:
Methodology for measuring PM2.5 separator characteristics using an Aerosizer
Autore:
Peters, TM; Vanderpool, RW; Wiener, RW;
Indirizzi:
Res Triangle Inst, Res Triangle Pk, NC 27709 USA Res Triangle Inst Res Triangle Pk NC USA 27709 Triangle Pk, NC 27709 USA Natl Exposure Res Lab, Res Triangle Pk, NC USA Natl Exposure Res Lab Res Triangle Pk NC USA ab, Res Triangle Pk, NC USA
Titolo Testata:
AEROSOL SCIENCE AND TECHNOLOGY
fascicolo: 5, volume: 34, anno: 2001,
pagine: 398 - 406
SICI:
0278-6826(200105)34:5<398:MFMPSC>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
AERODYNAMIC PARTICLE SIZER; API AEROSIZER; CALIBRATION; PERFORMANCE; AEROSOLS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Vanderpool, RW Res Triangle Inst, POB 12194, Res Triangle Pk, NC 27709 USARes Triangle Inst POB 12194 Res Triangle Pk NC USA 27709 SA
Citazione:
T.M. Peters et al., "Methodology for measuring PM2.5 separator characteristics using an Aerosizer", AEROS SCI T, 34(5), 2001, pp. 398-406

Abstract

A method is presented that enables the measurement of the particle size separation characteristics of an inertial separator in a rapid fashion. Overall penetration is determined for discrete particle sizes using an Aerosizer(Model LD, TSI, Inc., Particle Instruments/Amherst, Amherst, MA) time-of-flight measurement device by comparing the number concentration of particlespenetrating through a separator to the concentration entering the separator. Critical measurements of separator characteristics are determined using a vibrating orifice aerosol generator to produce the challenge aerosol. Measurements of penetration requiring less precision and accuracy may be determined using nebulized suspensions of polystyrene latex microspheres as the challenge aerosol, The time for measuring a single penetration curve can bereduced from a week using vibrating orifice aerosol to fewer than 2 h using polystyrene latex microsphere aerosol. Validation of the penetration determined with this method was made by comparison to fluorometric techniques. It is estimated that penetration may be measured with an accuracy of +/-4%,which is equivalent to an uncertainty of approximately 0.04 mum in cutpoint diameter determination for PM2.5 separators, The overall accuracy in determining a cutpoint diameter of a PM2.5 separator (including uncertainty in the creation of test aerosols) is estimated to be better than +/-0.09 mum.

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Documento generato il 14/07/20 alle ore 19:43:29