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On 1 Mar, 17:22, Gene Fuller wrote:
Cecil Moore wrote: Dave wrote: Cecil, as an engineer you should stick with standard vocabulary. Just trying to appease the physicists, Dave. They are arguing that it is not power until work is done. They say that since reflected energy is not doing any work, it cannot be reflected power. Therefore, reflected power doesn't exist. It's purely semantics. The very essence of an EM wave is its energy content. So the real question is: Since standing waves obviously exist and just as obviously cannot exist without two coherent waves traveling in opposite directions, does reflected energy exist? (That question seems to cause their skivvies to get all bunched up.) I will just be happy when they admit that reflected EM waves possess a certain amount of energy that cannot stand still and according to the theory of relativity must necessarily travel at the speed of light. Cecil, Physicists know when power is equal to work and when it represents undissipated flow of energy. No need to keep beating that dead horse. I must have missed class the day they talked about obviousness. Why is it "obvious" that standing waves cannot exist without coherent traveling waves? Do you believe that traveling waves are somehow more pure or more fundamental than standing waves? Have you ever tried working out the mathematical details of the wave equation when loaded with a standing wave trial solution? Did it explode or otherwise fail? (Hint, the answer should be "no".) The question of standing waves or traveling waves is purely one of mathematical convenience. The physical phenomena are identical regardless of your choice. Indeed, this is the point that seems to always trip you. There is no added information from manipulating the form of the equations. That is the sort of thing, if done carelessly, that leads to adding power waves and other nonsense. 73, Gene W4SZ- Hide quoted text - - Show quoted text - Gene, there are 12 authors on this thread dealing with a very, very complicated question. All are self perceived experts and after 130 posts they are still in deadlocked positions. The clock is ticking and there has been no white smoke pour out of the chimney as yet. The fighting is rough since only one can be right so he can rise above the others and where the the others descend into the rable. This question is one of the most serious questions to have faced mankind for eons and it correct determination is so imperitive to the universe and to ham radio. For that reason the debate is being recorded for prosterity so that all who follow can judge what manner of men they are indeed what manner of self perceived experts they are. The winner will be the one that is more elequent more overbearing and more obnoxious than any other in the group such that it may well be not the best scientist to rise to the top but one who is most deviled where others no longer can stay in their presence. This has happened before where we have lost many an experienced antenna person to venture off into other fields to the loss of all antenna enthusiasts. This is a fight to maintain a position or to attain a position as an expert in amateur radio So it is not to be taken lightly as past winners have brought this newsgroup down to the level which we now hold. There is not room for a lot of experts on this group so descisions about who is most obnoxious have to be decided. So stand clear of the garbage that is now flying in all directions and keep your powder dry.Sooner or later one will be bragging that they invented the WWW and then another will claim something else and it is then that real savagery will enter the fray. The clock is still ticking and still no white smoke comming out of the chimney! Art |
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