Modification and laboratory evaluation of a TSI ultrafine condensation particle counter (Model 3776) for airborne measurements
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DOI: 10.1080/02786826.2016.1261990
Abstract: ABSTRACT A butanol-type ultrafine condensation particle counter (UCPC, Model 3776, TSI, Inc., Shoreview, MN, USA), which can achieve a 50% detection efficiency diameter (d50) of 2.5 nm using a capillary-sheath structure, was modified and tested… read more here.
Keywords: tsi; condensation particle; model; particle counter ... See more keywords
On the time response determination of condensation particle counters
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DOI: 10.1080/02786826.2018.1460458
Abstract: ABSTRACT Condensation particle counter (CPC) technology has continued to evolve, with the introduction of several new instruments over the last several years. An important aspect in the characterization of these instruments is the measurement of… read more here.
Keywords: condensation; time response; condensation particle; response ... See more keywords
A diethylene glycol condensation particle counter for rapid sizing of sub-3 nm atmospheric clusters
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DOI: 10.1080/02786826.2018.1481279
Abstract: Abstract This article describes the modification of a laminar flow, thermally diffusive universal-fluid condensation particle counter (standard operation: 50% detection efficiency at 5 nm) to rapidly measure the size distribution of sub 3 nm aerosol. Sub 3 nm… read more here.
Keywords: condensation particle; size; particle counter; aerosol ... See more keywords
Counting efficiency determination from quantitative intercomparison between expansion and laminar flow type condensation particle counter
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DOI: 10.1080/02786826.2019.1568382
Abstract: Abstract Heterogeneous nucleation of supersaturated n-butanol vapor on neutral silver particles of different size has been investigated at variable nucleation temperatures using a fast expansion chamber and a commercial continuous flow type condensation particle counter… read more here.
Keywords: flow type; expansion; condensation particle; counter ... See more keywords
Review of sub-3 nm condensation particle counters, calibrations, and cluster generation methods
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DOI: 10.1080/02786826.2019.1654084
Abstract: Abstract This review discusses the developments in aerosol instrumentation that have led to the current vapor condensation based instruments capable of detecting sub-3 nm particles. We begin from selected reports prior to the year 1991, which… read more here.
Keywords: particle counting; review sub; condensation particle; condensation ... See more keywords
Effect of the finite width of the temperature transition in diffusive condensation particle counters
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DOI: 10.1080/02786826.2020.1795490
Abstract: Abstract The fluid streamlines ψ moving near the hot-cold wall junction in diffusive condensation particle counters (DCPCs) experience close to unit saturation ratio (S = 1), being ineffective for nucleation. Nevertheless, when the wall temperature changes discontinuously,… read more here.
Keywords: particle counters; temperature; condensation particle; diffusive condensation ... See more keywords
Experimental Investigation of a Condensation Particle Counter Challenged by Particles with Varying Wettability to Working Liquid
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DOI: 10.4209/aaqr.2017.06.0201
Abstract: ABSTRACTThe counting efficiency of an in-house laminar flow Condensation Particle Counter (CPC) was investigated experimentally. The CPC was challenged by different sources of particles (ambient particles, and combustion particles generated from CH4 and C2H4), and… read more here.
Keywords: wettability working; condensation particle; working liquid; particle counter ... See more keywords
B3010: a boosted TSI 3010 condensation particle counter for airborne studies
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DOI: 10.5194/amt-12-2531-2019
Abstract: Abstract. In the present paper, we expose how we boosted the performance of a commercial condensation particle counter (CPC) model TSI 3010 to detect particles as small as 1.5 nm while preserving the robustness and reliability of… read more here.
Keywords: condensation particle; airborne studies; tsi 3010; particle counter ... See more keywords
Counting on chemistry: laboratory evaluation of seed-material-dependent detection efficiencies of ultrafine condensation particle counters
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DOI: 10.5194/amt-13-3787-2020
Abstract: Abstract. Condensation particle counters (CPCs) are crucial instruments for detecting sub-10 nm aerosol particles. Understanding the detection performance of a CPC requires thorough characterization under well-controlled laboratory conditions. Besides the size of the seed particles, chemical… read more here.
Keywords: chemistry; condensation particle; detection efficiencies; seed ... See more keywords