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ASTM Selected Technical Papers
Insulation Materials: Testing and Applications: 4th Volume
By
AO Desjarlais
AO Desjarlais
1
Oak Ridge National Laboratory
?
Oak Ridge, TN
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RR Zarr
RR Zarr
2
National Institute of Standards and Technology
?
Gaithersburg, MD
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ISBN-10:
0-8031-2898-3
ISBN:
978-0-8031-2898-9
No. of Pages:
427
Publisher:
ASTM International
Publication date:
2002

Insulating below-ambient systems presents special challenges due to the possibility of water vapor flow to the cold surface. The traditional approach has been to specify a continuous vapor retarder on the warm side of the insulation to minimize vapor flow. An alternative approach utilizing wicking material to remove condensed water from the system has been in use since 1993. This paper reviews the technical basis for the wicking technology and presents results from laboratory testing and commercial installations of pipe insulation systems.

1.
Mumaw
,
John.
, “
Below-Ambient Piping Insulation Systems
”,
Insulation Outlook
,
09
2001
.
2.
2001 ASHRAE Handbook of Fundamentals
,
American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc.
, Chapter 23,
2001
3.
Korsgaard
,
V.
, “
Innovative Concept to Prevent Moisture Accumulation and Icing of Cold Pipe Insulation
.”
ASHRAE Transactions
, Volume
99
, Part 1,
1993
.
4.
Korsgaard
,
V.
, “
Innovative Self-Drying Concept for Thermal Insulation of Cold Piping
”,
Insulation Materials: Testing and Applications: Third Volume
, STP 1320,
Graves
R.S.
and
Zarr
R.R.
, Eds.,
American Society for Testing and Materials
,
1997
.
5.
Korsgaard
,
V.
, U.S. Patent no. 5,441,083,
15
08
1995
.
6.
Brower
,
Glenn
, “
A New Solution for Controlling Water Vapor Problems in Low Temperature Insulation Systems
.”
Insulation Outlook
, September, 2000.
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