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Experimental studie...
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Holm, RichardKTH,FaxénLaboratoriet,Mekanik
(författare)
Experimental studies on dewatering during roll forming of paper
- Artikel/kapitelEngelska2005
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LIBRIS-ID:oai:DiVA.org:kth-14888
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-14888URI
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https://doi.org/10.3183/NPPRJ-2005-20-02-p205-211DOI
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Språk:engelska
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Sammanfattning på:engelska
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QC 20100525. Tidigare titel: Experimental studies on partial dewatering during roll forming of paper
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Pressure and wire position measurements have been performed in an experimental facility, the KTH-Former, which intends to model the roll-forming zone of a paper machine. The measured pressure distributions in the forming zone are shown to have more complex patterns than the simple model p=T/R, which normally is referred to as the nominal pressure. It is also shown that an increase in wire tension has a similar effect as a decrease in flow-rate on the shape of the pressure distribution. This is a consequence of that the flow to a large extent is governed by the relation between the dynamic pressure and the nominal pressure. For the case of partial dewatering the suction peak that appears at the roll-wire separation point has a strong influence on the pressure distribution upstream. Finally, it is shown that the drainage has a stabilizing effect on the dewatering pressure.
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Söderberg, L. DanielKTH,Mekanik(Swepub:kth)u1rp1v6z
(författare)
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Norman, BoKTH,Pappersteknologi(Swepub:kth)u154kang
(författare)
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KTHFaxénLaboratoriet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Nordic Pulp & Paper Research Journal20:2, s. 205-2110283-26312000-0669
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