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Statements

Subject Item
n2:RIV%2F46747885%3A24210%2F11%3A%230002594%21RIV12-MSM-24210___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
The gravimetric measurement of particulate matter emissions typically requires either a full-flow dilution tunnel with a Constant Volume Sampler, or a partial flow dilution tunnel with rather sophisticated controls. In many Czech laboratories, such setup is not available due to space, power and cost reasons. As an alternative, a low-cost sampler utilizing the laboratory main exhaust duct as an improvised full-flow dilution tunnel was considered, from which a sample was drawn through a single 47 mm filter, with the flow controlled by a low-cost rotameter. While such measurement might not be suitable for modern engines achieving emission levels of units mg/kWh, with much of this mass being volatile, a reasonable correlation has been observed for older engines emitting on the order of 0,1 g/kWh. The gravimetric measurement of particulate matter emissions typically requires either a full-flow dilution tunnel with a Constant Volume Sampler, or a partial flow dilution tunnel with rather sophisticated controls. In many Czech laboratories, such setup is not available due to space, power and cost reasons. As an alternative, a low-cost sampler utilizing the laboratory main exhaust duct as an improvised full-flow dilution tunnel was considered, from which a sample was drawn through a single 47 mm filter, with the flow controlled by a low-cost rotameter. While such measurement might not be suitable for modern engines achieving emission levels of units mg/kWh, with much of this mass being volatile, a reasonable correlation has been observed for older engines emitting on the order of 0,1 g/kWh.
dcterms:title
PARTICULATE MATTER MEASUREMENT WITH AN IMPROVISED FULL-FLOW DILUTION TUNNEL PARTICULATE MATTER MEASUREMENT WITH AN IMPROVISED FULL-FLOW DILUTION TUNNEL
skos:prefLabel
PARTICULATE MATTER MEASUREMENT WITH AN IMPROVISED FULL-FLOW DILUTION TUNNEL PARTICULATE MATTER MEASUREMENT WITH AN IMPROVISED FULL-FLOW DILUTION TUNNEL
skos:notation
RIV/46747885:24210/11:#0002594!RIV12-MSM-24210___
n10:predkladatel
n18:orjk%3A24210
n3:aktivita
n13:P
n3:aktivity
P(1M0568)
n3:cisloPeriodika
3
n3:dodaniDat
n12:2012
n3:domaciTvurceVysledku
n8:1016792 n8:5686997 n8:5758602 n8:3022889
n3:druhVysledku
n15:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
219646
n3:idVysledku
RIV/46747885:24210/11:#0002594
n3:jazykVysledku
n7:eng
n3:klicovaSlova
particulate matter; emissions; exhaust; gravimetric; sampling; dilution tunnel; improvised; low-cost
n3:klicoveSlovo
n4:improvised n4:low-cost n4:dilution%20tunnel n4:emissions n4:particulate%20matter n4:sampling n4:gravimetric n4:exhaust
n3:kodStatuVydavatele
SK - Slovenská republika
n3:kontrolniKodProRIV
[D8ABC624B194]
n3:nazevZdroje
Technológ
n3:obor
n17:JT
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:projekt
n5:1M0568
n3:rokUplatneniVysledku
n12:2011
n3:svazekPeriodika
3
n3:tvurceVysledku
Mazač, Martin Čihák, Milan Dittrich, Aleš Vojtíšek, Michal Pechout, Martin
s:issn
1337-8996
s:numberOfPages
8
n14:organizacniJednotka
24210