[Bldg-sim] Really need some deep DOE-2 theology on this one..

[John Aulbach]

Hi Gang:
 
I need to elite for this one, and you know who you are..
 
I am reviewing another party's eQuest model submitted for LEED. The reviewer noted that the roof area far exceeded the actual building footprint.
 
Well, guess why? Somehow, the other party made several floors ROOFS instead of ceilings. I might be able to simply turn the exterior spaces into interior ceilings, but one roof (over an unheated underground garage) is partially uder the building and partially exposed to the "sidewalk/entrance" of the building.
 
The BIG Kahuena is this..if a space is crammed next to an adjacent space and one of the spaces claims an Exterioir surface between them, does DOE-2 think that Exterior surface is seeing outdoor conditions? Or does it ignore such a thin and merely considers the heat transfer between the spaces (like the wall/roof is NOT exposed to the outdoors)?
 
My approach is this (unless you disagree)..leave the Exterior wall/roof along and explain that the model (now in Detailed Edit form) would need major surgery to correct to show actual roof area. Having the "roofs" there versus floors will not change the thermodynamics of heat transfer.
 
I yield to the floor.
 
John Aulbach, PE
 
 


________________________________
From: Varkie Thomas <thomasv at iit.edu>
To: bldg-sim at lists.onebuilding.org 
Sent: Friday, September 27, 2013 10:18 AM
Subject: [Bldg-sim] Saving Energy to Save the Planet

Increasing transportation and building energy use is not going to save the planet.
It requires controlling the human population growth.
 
The Impact of Building Energy Standards on Saving the Planet.
Human population growth    
 Year No. of No. of  Human Increase 
   Years Humans Increase per Year 
   Apart (millions) (millions) (millions) 
BC 10,000   5     
BC 3,000 7,000 25 20 0 
 0 3,000 250 225 0 
 1,700 1,700 700 450 0 
 1,800 100 1,000 300 10 
 1,900 100 1,600 600 16 
 1,930 30 2,000 400 67 
 1,960 30 3,000 1,000 100 
 1,975 15 4,000 1,000 267 
 1,987 12 5,000 1,000 417 
 2,000 13 6,000 1,000 462 
 2,010 10 7,000 1,000 700 
 2,015 5 8,000 1,000 1,600 
 
The population of America is about 300 million, Europe’s (Western, Eastern, and Russia) is about 700 million, and in Japan and Korea it is about 200 million.  There are about another 800 million in the rest of the world (China, India, Brazil, etc.) with same standard of living.  This represents less than 30% of the world's population of 7,000 million.  However, this 30% use almost all of the earth’s resources and is responsible for almost all of the industrial pollution and global warming.  
 
There is no population growth in the 30% segment of the population with a high (energy wasting) standard of living, but their energy use per capita is escalating at faster rate than the population which is escalating at an alarming rate.  If the other 70% population were to reach the same standard of living as the energy wasters and polluters (the 30% segment) we would have to consider "Global Heating".   Standard of living might curb population growth but it results in escalating energy use and atmospheric pollution.
 
Industrial pollution would make life impossible on this planet if the other 70% of the world's population (which is escalating) were to reach the living standards of the existing 30%.  Industrial pollution is not the main threat.  At the present rate of human population growth, forests, vegetation, and most large animal life will be devastated in a few hundred years.  This has happened in the past as with the dinosaurs.  
 
Uncontrolled human population growth has destroyed forests and vegetation.  It is responsible for destroying animal life as well, particularly the large mammals that require large amounts of forest and grassland to survive.  Tigers, lions, elephants, giraffes, rhinos and hippos are going join dinosaurs as interesting science education in schools.  Humans will soon be competing for space on this planet only with rats, cockroaches, flies, and insects.  History has shown that the smaller creature will win.
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