All Blog Posts Tagged 'heat-transfer' (1)

Applied Passive-solar Structural Design

Passive-solar has been known to work well but certain things about our architecture fail the thermodynamic efficiency test and there are reasons why.

First is heat-transfer through conduction, the wood, drywall, sheathing all having rather high heat-transfer coefficients. Next is convection from a heat-riser which takes the warmth of the floor and moves it to the ceiling.

Until these are dealt with they cost a lot of energy, if one is trying to not require external heating for…

Continue

Added by Tom Mallard on December 21, 2011 at 1:00pm — No Comments

Most Popular Blog Posts

Monthly Archives

2017

2016

2015

2014

2013

2012

2011

2010

1999

Forum Discussions

BPI is Hiring!

Started by Quinn Korzeniecki in General Forum 12 minutes ago. 0 Replies

Building envelope and mechanical interactive effects

Started by Rob Buchanan in General Forum. Last reply by Eric Kjelshus 29 minutes ago. 1 Reply

Investigating 3257KWH monthly usage issue.

Started by Brent Shapiro in General Forum. Last reply by Don Hynek on Monday. 10 Replies

Latest Activity

Quinn Korzeniecki added a discussion to the group Building Performance Institute (BPI)
Thumbnail

BPI is Hiring!

BPI is seeking a Florida-based individual to be a Technical Relations Representative.This…See More
11 minutes ago
Quinn Korzeniecki posted a discussion

BPI is Hiring!

We're hiring! BPI is seeking a Florida-based individual to be a Technical Relations…See More
12 minutes ago
Ed Minch replied to Martin Newmark's discussion Best Practice for Retrofit Insulation on Modern Knee Walls in Attics
"There are 3 problems you are trying to solve.  First, that the face of the insulation is not…"
26 minutes ago
Dan Phillips replied to Martin Newmark's discussion Best Practice for Retrofit Insulation on Modern Knee Walls in Attics
"It is important to also remember the key junctures where the top of the kneewall meets the roof,…"
28 minutes ago

Photos

Loading…
  • Add Photos
  • View All

© 2017   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service