Hygrothermal Sources & Sinks

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Welcome to the WUFI Forum / Willkommen im WUFI-Forum

Last post by Manfred Kehrer « Thu Feb 08, 2007 1:16 am -1100

by Manfred Kehrer » Thu Feb 08, 2007 1:16 am -1100

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Last post by Manfred Kehrer
Thu Feb 08, 2007 1:16 am -1100

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Green roof, moisture source, why?

Last post by Christian Bludau « Sun Oct 26, 2025 11:40 pm -1100
Replies: 1
by Katrine » Tue Oct 14, 2025 12:42 am -1100

1 Replies

438 Views

Last post by Christian Bludau
Sun Oct 26, 2025 11:40 pm -1100
Rain source for rain bridging hydrophobic layers

Last post by SebastianU « Sun Sep 28, 2025 9:35 am -1100

by SebastianU » Sun Sep 28, 2025 9:35 am -1100

0 Replies

2440 Views

Last post by SebastianU
Sun Sep 28, 2025 9:35 am -1100
Drainage plane

Last post by arupamericas « Tue May 13, 2025 3:28 am -1100
Replies: 4
by FBabineau » Wed May 18, 2011 5:49 am -1100

4 Replies

48494 Views

Last post by arupamericas
Tue May 13, 2025 3:28 am -1100
Moisture source not considered

Last post by Thomas « Mon Feb 26, 2024 3:46 am -1100
Replies: 6
by Benitoo » Tue Feb 20, 2024 4:51 am -1100

6 Replies

189328 Views

Last post by Thomas
Mon Feb 26, 2024 3:46 am -1100
falsche Feuchtegehalte

Last post by Christian Bludau « Thu Jul 13, 2023 9:53 pm -1100
Replies: 1
by Hygro » Thu Jul 06, 2023 2:42 am -1100

1 Replies

27082 Views

Last post by Christian Bludau
Thu Jul 13, 2023 9:53 pm -1100
splashwater from driving rain

Last post by Thomas « Tue Jan 10, 2023 10:00 pm -1100
Replies: 1
by red-wufi-luc » Mon Jan 02, 2023 10:20 pm -1100

1 Replies

23709 Views

Last post by Thomas
Tue Jan 10, 2023 10:00 pm -1100
Sample data for sandstone using Karsten Tube tests

Last post by Daniel « Thu Aug 11, 2022 9:28 pm -1100
Replies: 1
by EsTresidder » Sun Aug 07, 2022 8:50 pm -1100

1 Replies

23646 Views

Last post by Daniel
Thu Aug 11, 2022 9:28 pm -1100
How best to model air infiltration into repairs/adaptations in an old house

Last post by Mouse « Thu Apr 14, 2022 2:30 am -1100
Replies: 2
by Mouse » Fri Apr 01, 2022 9:28 pm -1100

2 Replies

25771 Views

Last post by Mouse
Thu Apr 14, 2022 2:30 am -1100
Create transient moisture file for WUFI 2D

Last post by Christian Bludau « Mon Dec 13, 2021 1:51 am -1100
Replies: 3
by solares » Thu Dec 09, 2021 5:02 am -1100

3 Replies

31813 Views

Last post by Christian Bludau
Mon Dec 13, 2021 1:51 am -1100
How to model a moisture sink

Last post by David Lam « Tue May 18, 2021 9:44 pm -1100
Replies: 2
by David Lam » Tue May 18, 2021 7:48 am -1100

2 Replies

26192 Views

Last post by David Lam
Tue May 18, 2021 9:44 pm -1100
Infiltration for warm humid climates

Last post by Philipp « Mon Nov 02, 2020 12:16 am -1100
Replies: 1
by Madonna Stewart » Sun Nov 01, 2020 6:15 pm -1100

1 Replies

25996 Views

Last post by Philipp
Mon Nov 02, 2020 12:16 am -1100
Transient from file moisture source

Last post by mspasoje « Mon Dec 10, 2018 10:59 am -1100

by mspasoje » Mon Dec 10, 2018 10:59 am -1100

0 Replies

36170 Views

Last post by mspasoje
Mon Dec 10, 2018 10:59 am -1100
Feuchtequelle

Last post by Manfred Kehrer « Mon Jul 16, 2018 2:00 am -1100
Replies: 1
by Johannes » Mon Jul 16, 2018 1:39 am -1100

1 Replies

31846 Views

Last post by Manfred Kehrer
Mon Jul 16, 2018 2:00 am -1100
Error when adding source from transient txt file

Last post by Christian Bludau « Wed May 02, 2018 12:51 am -1100
Replies: 5
by Jonas » Mon Apr 30, 2018 8:38 am -1100

5 Replies

35536 Views

Last post by Christian Bludau
Wed May 02, 2018 12:51 am -1100
Configuring air leakage through a wall

Last post by Manfred Kehrer « Fri Mar 16, 2018 2:18 am -1100
Replies: 3
by pmpasbl » Tue Jun 06, 2017 11:32 pm -1100

3 Replies

35904 Views

Last post by Manfred Kehrer
Fri Mar 16, 2018 2:18 am -1100
Brick Veneer Wall Sink Locations

Last post by Manfred Kehrer « Fri Feb 02, 2018 2:49 pm -1100
Replies: 1
by hkpdx » Fri Feb 02, 2018 1:47 pm -1100

1 Replies

26817 Views

Last post by Manfred Kehrer
Fri Feb 02, 2018 2:49 pm -1100
Linienförmige Wärmequelle mit WUFI 2D

Last post by Christian Bludau « Sun Jan 14, 2018 9:12 pm -1100
Replies: 1
by henschso » Fri Jan 12, 2018 10:55 pm -1100

1 Replies

27210 Views

Last post by Christian Bludau
Sun Jan 14, 2018 9:12 pm -1100
Questions regarding for Infiltration Model moisture source

Last post by Daniel « Thu Mar 16, 2017 11:14 am -1100
Replies: 2
by CarlyMay » Thu Oct 16, 2014 9:47 pm -1100

2 Replies

32521 Views

Last post by Daniel
Thu Mar 16, 2017 11:14 am -1100
1% Rain Leak vs 5% Rain Leak

Last post by Manfred Kehrer « Fri Feb 10, 2017 3:34 am -1100
Replies: 1
by Mark Jimmy » Fri Feb 10, 2017 3:14 am -1100

1 Replies

28575 Views

Last post by Manfred Kehrer
Fri Feb 10, 2017 3:34 am -1100
Roof in the shade all year long

Last post by Christian Bludau « Thu Oct 20, 2016 2:57 am -1100
Replies: 3
by François » Fri Feb 13, 2015 4:18 am -1100

3 Replies

35013 Views

Last post by Christian Bludau
Thu Oct 20, 2016 2:57 am -1100
heat source within the wall

Last post by Philip F « Wed Jun 01, 2016 7:07 pm -1100
Replies: 11
by Philip F » Tue May 03, 2016 5:24 pm -1100

11 Replies

55656 Views

Last post by Philip F
Wed Jun 01, 2016 7:07 pm -1100
solare Gewinne/Kühlung

Last post by girapaix « Tue Feb 23, 2016 11:42 pm -1100
Replies: 4
by girapaix » Thu Feb 11, 2016 6:36 pm -1100

4 Replies

36961 Views

Last post by girapaix
Tue Feb 23, 2016 11:42 pm -1100
Fehlermeldung Feuchtequelle

Last post by Christian Bludau « Wed Feb 10, 2016 1:54 am -1100
Replies: 5
by bvfs » Tue Feb 09, 2016 9:23 pm -1100

5 Replies

35319 Views

Last post by Christian Bludau
Wed Feb 10, 2016 1:54 am -1100
Constant Monthly moisture source

Last post by Christian Bludau « Sun Oct 11, 2015 7:53 pm -1100
Replies: 3
by Axelarris » Thu May 14, 2015 8:53 am -1100

3 Replies

35120 Views

Last post by Christian Bludau
Sun Oct 11, 2015 7:53 pm -1100
Dachbahn im Bauteilaufbau

Last post by Christian Bludau « Sun Sep 06, 2015 9:48 pm -1100
Replies: 7
by Häberle » Fri Jun 26, 2015 3:39 am -1100

7 Replies

40316 Views

Last post by Christian Bludau
Sun Sep 06, 2015 9:48 pm -1100
Wrong Moisture Source Units in WUFI PLUS V 2.5.4.0?

Last post by catodiaz « Tue Jun 09, 2015 1:31 am -1100
Replies: 2
by catodiaz » Thu May 21, 2015 7:11 pm -1100

2 Replies

30142 Views

Last post by catodiaz
Tue Jun 09, 2015 1:31 am -1100
Necessary system requirements for a PC

Last post by Christian Bludau « Tue Sep 13, 2022 1:21 am -1100
Replies: 2
by Joseph Little » Sun May 03, 2015 12:43 am -1100

2 Replies

55698 Views

Last post by Christian Bludau
Tue Sep 13, 2022 1:21 am -1100
Hygrothermal Source & Clipping

Last post by Daniel « Thu Mar 20, 2014 7:38 am -1100
Replies: 3
by sdoggett » Tue Mar 11, 2014 4:27 am -1100

3 Replies

33643 Views

Last post by Daniel
Thu Mar 20, 2014 7:38 am -1100
justifying 'air infiltration model IBP'

Last post by fostertom « Fri Jan 17, 2014 4:36 am -1100
Replies: 6
by Joseph Little » Tue Jan 07, 2014 2:15 am -1100

6 Replies

40188 Views

Last post by fostertom
Fri Jan 17, 2014 4:36 am -1100
Typical Fraction of Rain Moisture Source

Last post by Carl_Brookes « Thu Aug 01, 2013 6:48 am -1100

by Carl_Brookes » Thu Aug 01, 2013 6:48 am -1100

0 Replies

32675 Views

Last post by Carl_Brookes
Thu Aug 01, 2013 6:48 am -1100
Air exchange source from room conditions

Last post by Christian Bludau « Thu May 02, 2013 1:20 am -1100
Replies: 5
by eboek » Tue Jul 10, 2007 1:25 am -1100

5 Replies

37187 Views

Last post by Christian Bludau
Thu May 02, 2013 1:20 am -1100
Inclination and drainage

Last post by Christian Bludau « Thu Mar 14, 2013 2:38 am -1100
Replies: 3
by WUFI User » Wed Mar 13, 2013 10:43 pm -1100

3 Replies

32167 Views

Last post by Christian Bludau
Thu Mar 14, 2013 2:38 am -1100
Simulating extreme Cold North facing wind?

Last post by Christian Bludau « Mon Feb 04, 2013 9:13 pm -1100
Replies: 1
by holyspidoo » Sun Feb 03, 2013 7:59 am -1100

1 Replies

28218 Views

Last post by Christian Bludau
Mon Feb 04, 2013 9:13 pm -1100
"Richtige" Luftwechselrate bei hinterlüftetem Maue

Last post by Christian Bludau « Thu Nov 22, 2012 4:24 am -1100
Replies: 1
by Nordlicht » Thu Nov 22, 2012 3:45 am -1100

1 Replies

28581 Views

Last post by Christian Bludau
Thu Nov 22, 2012 4:24 am -1100
Adding a moisture source does not change the results

Last post by Christian Bludau « Thu Apr 26, 2012 6:46 pm -1100
Replies: 6
by robbin » Tue Mar 22, 2011 11:00 am -1100

6 Replies

39201 Views

Last post by Christian Bludau
Thu Apr 26, 2012 6:46 pm -1100
Air Cavities Step by Step

Last post by Chris « Wed Mar 28, 2012 2:55 am -1100
Replies: 2
by Chris » Tue Mar 27, 2012 5:05 am -1100

2 Replies

30628 Views

Last post by Chris
Wed Mar 28, 2012 2:55 am -1100
Moisture source error

Last post by Thomas « Mon Feb 27, 2012 6:10 am -1100
Replies: 3
by Claire » Wed Feb 22, 2012 1:24 pm -1100

3 Replies

31746 Views

Last post by Thomas
Mon Feb 27, 2012 6:10 am -1100
Wall properties for 20 year old house

Last post by Daniel « Thu Feb 09, 2012 8:55 pm -1100
Replies: 3
by Claire » Sat Feb 04, 2012 5:04 am -1100

3 Replies

32703 Views

Last post by Daniel
Thu Feb 09, 2012 8:55 pm -1100
ACH for a ventilated cavity

Last post by Christian Bludau « Tue Dec 06, 2011 10:52 pm -1100
Replies: 3
by eordner » Tue Oct 30, 2007 5:13 am -1100

3 Replies

32672 Views

Last post by Christian Bludau
Tue Dec 06, 2011 10:52 pm -1100
ice rinks

Last post by IFBSorge « Wed Oct 26, 2011 5:02 am -1100

by IFBSorge » Wed Oct 26, 2011 5:02 am -1100

0 Replies

28393 Views

Last post by IFBSorge
Wed Oct 26, 2011 5:02 am -1100
Source in Wufi 2D

Last post by Christian Bludau « Wed Sep 07, 2011 7:51 pm -1100
Replies: 1
by manexi » Wed Sep 07, 2011 5:38 am -1100

1 Replies

29251 Views

Last post by Christian Bludau
Wed Sep 07, 2011 7:51 pm -1100
EIFS Drainage Plane

Last post by Manfred Kehrer « Thu Mar 10, 2011 3:54 pm -1100
Replies: 1
by pgphillips » Thu Mar 10, 2011 11:45 am -1100

1 Replies

28419 Views

Last post by Manfred Kehrer
Thu Mar 10, 2011 3:54 pm -1100
Humidity in a bathroom

Last post by Manfred Kehrer « Sun Dec 05, 2010 1:12 am -1100
Replies: 1
by chouchen29 » Sat Dec 04, 2010 11:55 pm -1100

1 Replies

28435 Views

Last post by Manfred Kehrer
Sun Dec 05, 2010 1:12 am -1100
Moisture Source: Fraction of Driving Rain

Last post by Manfred Kehrer « Wed Nov 03, 2010 6:59 am -1100
Replies: 1
by kpnelson42 » Wed Nov 03, 2010 6:33 am -1100

1 Replies

28572 Views

Last post by Manfred Kehrer
Wed Nov 03, 2010 6:59 am -1100
Rain penetration in vented cavity- overlapping sources error

Last post by Manfred Kehrer « Tue Nov 02, 2010 8:09 pm -1100
Replies: 5
by Jay Keazer » Tue May 04, 2010 5:22 am -1100

5 Replies

36100 Views

Last post by Manfred Kehrer
Tue Nov 02, 2010 8:09 pm -1100
Simulating Water Leakage in a Roof

Last post by Manfred Kehrer « Mon Jul 19, 2010 9:37 pm -1100
Replies: 1
by Sushmit Shreyans » Fri Jul 16, 2010 8:55 am -1100

1 Replies

28427 Views

Last post by Manfred Kehrer
Mon Jul 19, 2010 9:37 pm -1100
Air Changes in Attic

Last post by Sushmit Shreyans « Mon Jun 07, 2010 5:15 am -1100
Replies: 4
by Sushmit Shreyans » Fri Jun 04, 2010 8:58 am -1100

4 Replies

33413 Views

Last post by Sushmit Shreyans
Mon Jun 07, 2010 5:15 am -1100
Diffrent airchange in airgap doesnt effect air temperature

Last post by Manfred Kehrer « Tue Aug 18, 2009 7:49 pm -1100
Replies: 1
by Peter Brander » Fri Aug 14, 2009 12:40 am -1100

1 Replies

28121 Views

Last post by Manfred Kehrer
Tue Aug 18, 2009 7:49 pm -1100
Wufi crashes after adding hygrotermal source

Last post by Gesa « Thu Jul 02, 2009 10:09 pm -1100
Replies: 4
by Gesa » Thu Jul 02, 2009 8:58 pm -1100

4 Replies

33327 Views

Last post by Gesa
Thu Jul 02, 2009 10:09 pm -1100
Wärmequelle durch Solarabsorption

Last post by hiwi « Fri Jun 19, 2009 3:24 am -1100
Replies: 2
by hiwi » Wed Jun 10, 2009 5:22 am -1100

2 Replies

29394 Views

Last post by hiwi
Fri Jun 19, 2009 3:24 am -1100
Hinterlüftetes extensiv begrüntes Flachdach

Last post by Daniel « Wed May 13, 2009 9:38 pm -1100
Replies: 1
by Emanuel Panic » Wed May 13, 2009 8:30 pm -1100

1 Replies

28355 Views

Last post by Daniel
Wed May 13, 2009 9:38 pm -1100
Thermal Bridges.

Last post by yalinu « Mon Sep 15, 2008 7:12 am -1100
Replies: 2
by yalinu » Tue Sep 09, 2008 10:10 am -1100

2 Replies

29683 Views

Last post by yalinu
Mon Sep 15, 2008 7:12 am -1100
Modeling Constant Temperature in Wall Cavity

Last post by serenewongsa « Wed Apr 02, 2008 1:12 am -1100

by serenewongsa » Wed Apr 02, 2008 1:12 am -1100

0 Replies

29021 Views

Last post by serenewongsa
Wed Apr 02, 2008 1:12 am -1100
Air exchange in cavity

Last post by Manfred Kehrer « Mon Feb 26, 2007 4:25 am -1100
Replies: 5
by hmsalonv » Fri Feb 23, 2007 7:17 am -1100

5 Replies

36255 Views

Last post by Manfred Kehrer
Mon Feb 26, 2007 4:25 am -1100

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