Comments on: 5 Easy Steps to Understanding WUFI – Memento Style

By: Allison Bailes

Allison Bailes — Fri, 18 Oct 2013 19:17:19 +0000

Armando:
Armando: You may be putting more faith than is warranted in Professor Straube. The more airtight and insulated the house, the more you need to do a WUFI analysis.

Cameron T.: Yes, WUFI is absolutely suited for boots-on-the-ground building science forensics. Those who work as experts in lawsuits use it regularly. The answer to your last question is WUFI's results will be more accurate and reliable if you plug in good field data rather than relying on databases.

By: Armando

Armando — Thu, 17 Oct 2013 22:38:39 +0000

Long time a go, I asked John
Long time a go, I asked John Straube if I needed to do WUFI analysis on my designs, and his answer was "if you need to impress an engineer, do a WUFI analysis, but for residential designs, performing ASHRAE Fundamentals analysis is more than acceptable". Enough said for me.

By: Allison Bailes

Allison Bailes — Thu, 17 Oct 2013 22:36:41 +0000

Foster L.:
Foster L.: In the moisture equation, the main variable is the Greek letter phi. Concentration in one dimension is m^-1 or ft^-1.

By: Foster Lyons

Foster Lyons — Thu, 17 Oct 2013 21:40:33 +0000

Is that phi or psi? I can't
Is that phi or psi? I can't remember.

And, what is a one dimensional concentration?

By: Allison Bailes

Allison Bailes — Thu, 17 Oct 2013 21:06:13 +0000

Reed D.:
Reed D.: WUFI stands for "Wärme- Und Feuchtetransport Instationär," which translates as "German scientists create complex modeling tool for heat and moisture transport." Or something like that.

By: Reed Donelli

Reed Donelli — Thu, 17 Oct 2013 20:10:40 +0000

Allison..

Allison..
Please excuse my ignorance, but what does the acronym WUFI stand for..?