John Brooks
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  • Plano, TX
  • United States
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Fun with Fluids
2 Replies

Greetings ... We live at the bottom of an Ocean of Air.Does anyone want to "play with fluids"?Here is an interesting Video about "Stack Effect"…Continue

Started this discussion. Last reply by Bud Poll Jan 22.

"an Ocean of Air"
18 Replies

We live at the bottom of "an Ocean of Air"The power of the atmosphere is pretty, pretty darn impressiveyet we seem to take it for granted and barely notice it…Continue

Started this discussion. Last reply by John Brooks Nov 17, 2012.

Locating the Neutral Pressure Plane
49 Replies

I am not an energy Rater .. I am an architectI am curious if any "Home Energy Pros" make an effort to locate the Neutral Pressure Plane (NPP) of a house that is being blower door tested?Continue

Started this discussion. Last reply by Bud Poll Sep 18, 2012.

Fun with Neutral Pressure Planes (NPP)
87 Replies

GreetingsFirst of all......* As we upgrade and build new....  I think it is time to eliminate atmospherically vented appliances from the breathing zones of our homes* I realize that the effects of…Continue

Started this discussion. Last reply by Robert Riversong Sep 9, 2012.

 

John Brooks's Page

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John Brooks's discussion was featured

Fun with Fluids

Greetings ... We live at the bottom of an Ocean of Air.Does anyone want to "play with fluids"?Here is an interesting Video about "Stack Effect"https://www.youtube.com/watch?v=4WI4f_EK22ESee More
Jan 22
Bud Poll replied to John Brooks's discussion Fun with Fluids
"Hi John, Living in Maine I have often found Alaska advice to be good.  It is nice to see ground level explanations getting out there about stack effect and fluid pressures, aka warm air :). Bud"
Jan 22
John Brooks replied to John Brooks's discussion Fun with Fluids
"The Blue Fluid is Dense ...Red is Not-So-Dense.....What happens when a "gate" is opened between 2 chambers?"
Jan 22
John Brooks posted a discussion

Fun with Fluids

Greetings ... We live at the bottom of an Ocean of Air.Does anyone want to "play with fluids"?Here is an interesting Video about "Stack Effect"https://www.youtube.com/watch?v=4WI4f_EK22ESee More
Jan 22
John Brooks replied to Mike Kandel's discussion January's Stump the Chump
"The inspiration for my guess comes from this Joe Lstiburek Video Starting at around 18 minutes in http://www.greenbuildingadvisor.com/roofs-video-part-2-ice-dams-lstiburek course like Bud says...very few details have been provided....my suggestion…"
Jan 24, 2013
John Brooks replied to Mike Kandel's discussion January's Stump the Chump
"It's hard to say without seeing the building,the orientation, roof overhang and venting.One possibility ....the microclimate near the wall is warmed by the sun...the warm air is buoyed up by surrounding cold air....warm air enters the roof thru…"
Jan 24, 2013
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"Lucas, thanks for the video pick I like your observation of "tipping point"..... here is another example of "splosive" phase change http://www.youtube.com/watch?v=ZxsyL_RSsUw"
Nov 17, 2012
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"Even better (in some ways) than Professor Julius Sumner Miller Professor Walter Lewin http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/"
Nov 15, 2012
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"Hi Caan, Here is a Link to the Main Page..... For All sorts of Vintage Instruments and Apparatus http://physics.kenyon.edu/EarlyApparatus/index.html "
Nov 15, 2012
Caan Soloman replied to John Brooks's discussion "an Ocean of Air"
"Lol not at all john. Just interested in what it was. I have a degree in thermo dynamics and looks simular to a apparatus we worked with back at university."
Nov 15, 2012
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"Hi Bud, I stumbled on an interesting comment recently that I had never seen before.... A different way of visualizing the "scale" of One Pascal One Pascal (one Newton per square meter) is very similar to a dollar bill(or any other US…"
Nov 14, 2012
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"and here is another simple video .... showing similar results ...but different there is a twist in this video....(the candle) there is more going on here than just condensation and the atmosphere http://www.youtube.com/watch?v=xwKbpsOmHjE"
Nov 14, 2012
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"And Lucas,...BTW (By the Way) you are partially to blame for my curiosity/obsession with Neutral Pressure Planes It was your questions that sparked the comments By Michael Blasnik in this GBA…"
Nov 14, 2012
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"Hi, Lucas "the Heretic" and "Airtight Sheathing Nut" I am glad you joined HEP Yes.... I do like Science Videos Here is one from the not-so-nutty Professor that explains the Tanker Implosion on a slightly smaller…"
Nov 14, 2012
John Brooks replied to John Brooks's discussion "an Ocean of Air"
"Hi Caan, I hesitate to answer your question becuase it looks like you were merely trying to post a link to your website. Just in case you were serious...The photo shows the Magdeburg Hemispheres An Explanation of the "Apparatus" was posted…"
Nov 14, 2012
John Brooks's discussion was featured

"an Ocean of Air"

We live at the bottom of "an Ocean of Air"The power of the atmosphere is pretty, pretty darn impressiveyet we seem to take it for granted and barely notice ithttp://www.youtube.com/watch?v=Zz95_VvTxZMSee More
Nov 12, 2012

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John Brooks - Architect
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Building Science

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At 12:20pm on February 11, 2012, John Brooks said…

Hi Bud, my email is HouseDesign@verizon.net

what's yours ?

 

At 11:41am on February 11, 2012, Bud Poll said…

You are correct John and the change is made, I just can't post it until I finish my winter stack effect addition.  I knew I should have made my changes on a copy rather than the master page.

I appreciate all of the support.  One of the ironies of these discussions is I know both Martin and Allison know perfectly well what I'm talking about, it is too simple for even them to miss (dig, dig).  But I suspect they have decided they need to shoot down any thought that all of their writings in the past might have been poorly worded.  I will try patronizing Allison to see if he concedes any ground or whether he invokes another hand full of irreverent laws to confuse the issue beyond anyone's interest.

The exposure has been perfect though and because the argument is so basic I believe the cat is out of the bag and when people write (or teach) about this in the future, they will be sure to include a bit of my description. 

Thanks

Bud

At 1:56pm on February 10, 2012, Diane Chojnowski said…

Hi John,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

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