EMERGY: General systems theory–Energy Systems Language

Picture of a Emergy diagram of energy flows.Emergy is the available energy (exergy) of one kind that is used up in transformations directly and indirectly to make a product or service (dollars does not always take this into account)

[reference from wiki 2010]

In the 1990s in the latter part of his career H.T. Odum together with David M. Scienceman developed the ideas of emergy, as a specific use of the term Embodied energy. Some consider the concept of “emergy”, sometimes briefly defined as “energy memory”, as one of Odum’s more significant contributions. However the concept is neither free from controversy, and not without its critics. Odum looked at natural systems as having been formed by the use of various forms of energy in the past: “emergy is a measure of energy used in the past and thus is different from a measure of energy now. The unit of emergy (past available energy use) is the emjoule to distinguish it from joules used for available energy remaining now.” This was then conceived as a principle of maximum empower which might explain the evolution of self-organising open systems. However such a principle has not been empirically demonstrated nor verified by the scientific community.

[reference wiki 2010]

Also check out http://emergysystems.org/folios.php for down load and computer models.

I will be expanding this section eventually. Put simply, I feel this article could be improved a lot.

Some of the references to be read are:

This video and possibly others might be examined as well:

Shortened Link to this Article: EMERGY: General systems theory–Energy Systems Language – http://bit.ly/aYwch9

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2 Responses to EMERGY: General systems theory–Energy Systems Language

  1. There are some attention-grabbing time limits on this article however I don’t know if I see all of them middle to heart. There may be some validity however I will take maintain opinion till I look into it further. Good article , thanks and we wish more! Added to FeedBurner as nicely

    • gharrhome says:

      Thank you for your comment. I watched the video on the Middle East situation and found it to be interesting. I often wonder the same thing: “Why Can’t There Be Peace?”

      This focus on war with Israel does not seem to have been beneficial to the people of the Arab states, but I do see how they must have felt bitter at the treatment the western countries gave them after the wars. I also think that religion does play its part in this ancient region that holds the interest of the entire world.

      I don’t think your simple analysis of ignoring history, energy & religion in this area is totally correct, there is a large amount of history that goes into the reasons as to why the Arab states have reacted the way they have and some of it is their own doing because they did handle their own people in a very rough way—as they are attempting to do so now with states or people the leaders consider to be wrong.

      This military focus in the past on that tiny state of Israel seems harmful and yes even “I don’t get it.”

      However, in the end, “I don’t get your video also,” because I don’t think this focus back to a tiny insignificant state had anything to do with what is happening with the Middle Eastern People right now! The people of the Middle East want to have better lives and they intend to do something to make that come about.

      As for Israel, I realize the people there do not think their country is irrelevant in the region, just as I do not think my nation is irrelevant to the world. I hope there is a way to stop the wars and low level war—that we call terrorism—and there is a way to find peace. I also realize that any major changes that are happening right now in the Middle East can be seen as a threat or as a possible path to better relations.

      I can’t help you (Israel) on this one… but I am crossing my fingers and wishing this conflict will stop, and the waste in human lives and money will cease so all sides can focus on economic and technological growth in a time when we may be reaching out to colonize our solar system and extract helium 3, rare metals and energy.

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