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Fundamentals of indoor environmental quality / thermal comfort and air quality solutions using radiant based HVAC
 

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Excerpt: “A pit was dug about two-and-a-half feet deep outside the door of the hospital tent; from this a trench passed longitudinally through the tent, terminating outside its farther or closed extremity. At this point a chimney was formed by barrels placed one upon the other, or by some other simple plan. The joints and crevices of this chimney were cemented with clay. The trench in the interior of the tent was roofed over with plates of sheet-iron issued for that purpose by the Quartermasters Department. A fire was built in the pit, and the resulting heat, radiating from the sheet-iron plates, kept the interior of the tent warm and comfortable even in the coldest weather.

Source: The Medical and Surgical History of the War of the Rebellion, U.S. Army Surgeon General's Office,  Part III, Volume II. (3rd Surgical volume), 1883

See also:
Aleutian Islands, Alaska: Radiant floor heating keeps ancient inhabitants warm



Civil War Crimean Ovens: Origins, Models, and Modifications

Civil War Hospital: Radiant floor heating keeps hospital tents warm
Copyright (c), 2012  Robert Bean and content providers

Background: The two documents featured below about the War of Rebellion served as the motivator to start the research work that led to our 2010 ASHRAE Journal paper on the History of Radiant Heating and Cooling and ultimately our receiving the ASHRAE Lou Flagg Award in 2011 at the Montreal Conference. Some of the more significant points from our research showed radiant was not invented or developed by the Romans as is often believed but started in Asia with some very close time lines showing systems evolving in the Aleutian Islands of Alaska. The Journal editors did a fabulous job with the article; what was not published is sufficient enough for a book. If you are an aspiring history writer and wish to collaborate on this project please let me know.

You can access the entire six volumes of the Surgical History through McGill Universities, Maude Abbott Medical Museum links page.

Huts and History: The Historical Archaeology of Military Encampment During the American Civil War

The Medical and Surgical History of the War of the Rebellion, U.S. Army Surgeon General's Office,  Part III, Volume II. (3rd Surgical volume), 1883

Orr, D.G., Reeves, M.B., Geier, C.R., Huts and History: The Historical Archaeology of Military Encampment During the American Civil War, June 30, 2006


Special Feature!
In corresponding with Virginia's Office of Historic Alexandria/Alexandria Archaeology we discovered a research piece about Civil War tent heating system as described in the Surgeons Report above; and similar to the Korean "Ondol" and those discovered in Alaska by Richard A. Knecht from the University of Alaska Fairbanks / Museum of the Aleutians and his colleague Rick Davis, an archaeologist at Bryn Mawr college.

This overview provides greater detail than what we originally found for our ASHRAE Journal paper. The best part was the research was done by a 15-year-old tenth grader who as an assignment from Ruth Reeder, Education Coordinator for the Museum, had to answer questions relating to the Civil War period Crimean Ovens discovered in 2003-2004 in Alexandria.

The young researcher has granted us permission to share his work and we now include it in our archives. I hope you enjoy it as much as we did.

Policastro, A., Civil War Crimean Ovens: Origins, Models, and Modifications, Virginia's Office of Historic Alexandria/Alexandria Archaeology, March 2012.


For those wondering a little bit about the "modern" day history of radiant cooling and heating controls, see: R. W. Shoemaker, Radiant Heating, New York: McGraw-Hill, 1948, Figure 9-4, Radiant heating and cooling controls


Additional study:

  1. Global milestones in the development of radiant heating and cooling

  2. History of Radiant Heating and Cooling - Part 1 - Asia

  3. History of Radiant Heating and Cooling - Part 2 - Europe and North America 

  4. Civil War Hospital: Radiant floor heating keeps hospital tents warm

  5. Aleutian Islands, Alaska: Radiant floor heating keeps northern ancestors warm

  6. History of Radiant Heating: Ondol

  7. Radiant Mythology - 22 Myths about radiant heating 


Related reading:

Do I need an engineer? A Guide to HVAC/Indoor Climate Design Service Providers
Where will your indoor climate system score?
How to "ball park" your budget for indoor climate control.
Indoor environments: Self assessment
Built to code: What does it mean for consumer thermal comfort?
The Total Comfort System - The "Un-minimum" System
Thermal Comfort: A 40 grit perspective for consumers
Thermal Comfort: A Condition of Mind
Do-It-Yourself HVAC - Should you do it?
The Cost of HVAC Systems - Are You Paying Too Much for Downgrades?
Radiant Installations - The Good, Bad and Ugly
Thermal Comfort Surveys - Post Occupancy, Part I
Thermal Comfort Surveys - Post Occupancy, Part II

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