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Calculation of the minimum amount of blow-through steam for condensate drainage in paper drying cylinders

Stenström, Stig LU (1992) In Tappi Journal 75(10). p.190-193
Abstract
A model is presented for calculating the minimum amount of blow-through steam for condensate drainage in paper drying cylinders. Two criteria for cylinder flooding are given. First, the condensate must be lifted from the inner cylinder wall by the decrease in pressure in the siphon inlet. Secondly, the drag force on the drops in the siphon tube must be higher than the centrifugal force acting in the opposite direction. Good agreement has been achieved between the calculated and the experimental gas velocities for the flow of air and water. The equations can be quite easily applied to different siphon designs and to conditions in steam-heated cylinders.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
COMPUTATION, CONDENSATES, DRAINAGE, DRUM DRYERS, EQUATIONS, MODELS, STEAM, THROUGH DRYERS
in
Tappi Journal
volume
75
issue
10
pages
190 - 193
publisher
TAPPI
external identifiers
  • wos:A1992JR74200029
ISSN
0734-1415
language
English
LU publication?
yes
id
8ab75fdb-436d-4818-956e-606eebe8ce7f (old id 3914117)
date added to LUP
2016-04-01 16:05:28
date last changed
2018-11-21 20:38:39
@article{8ab75fdb-436d-4818-956e-606eebe8ce7f,
  abstract     = {{A model is presented for calculating the minimum amount of blow-through steam for condensate drainage in paper drying cylinders. Two criteria for cylinder flooding are given. First, the condensate must be lifted from the inner cylinder wall by the decrease in pressure in the siphon inlet. Secondly, the drag force on the drops in the siphon tube must be higher than the centrifugal force acting in the opposite direction. Good agreement has been achieved between the calculated and the experimental gas velocities for the flow of air and water. The equations can be quite easily applied to different siphon designs and to conditions in steam-heated cylinders.}},
  author       = {{Stenström, Stig}},
  issn         = {{0734-1415}},
  keywords     = {{COMPUTATION; CONDENSATES; DRAINAGE; DRUM DRYERS; EQUATIONS; MODELS; STEAM; THROUGH DRYERS}},
  language     = {{eng}},
  number       = {{10}},
  pages        = {{190--193}},
  publisher    = {{TAPPI}},
  series       = {{Tappi Journal}},
  title        = {{Calculation of the minimum amount of blow-through steam for condensate drainage in paper drying cylinders}},
  volume       = {{75}},
  year         = {{1992}},
}