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  • Aaron
    replied
    embrittlement

    Originally posted by Farrah Day View Post
    Now, if we started with ammonia and then wanted to use it as a fuel source (a good source of hydrogen), then fair enough. Forgeting the fact that we have to produce the ammonia in the first place, it is the hydrogen content that is the important part. It is the hydrogen we will be combusting. (and so yes, we still have the embrittlement issue).
    You still have completely ignored all the points I put to you. If you have
    the courage to answer them, you might get answers to the next parts.
    Like Tim, if you want answers, it isn't going to be done on your terms,
    period.

    When you run a car on gasoline, (put Farrah Day's quote here).

    When you run a car on gasoline (heptane), "it is the hydrogen content that
    is the important part. It is the hydrogen we will be combusting. (and" so yes, we still have the embrittlement issue)
    ."

    Are you sure about that? There are differences - maybe you can explain
    why there are not the same embrittlement issues with gasoline - according
    to your quote, your logic, gasoline should cause the same embrittlement
    issues as straight hydrogen/oxygen. Does it or does it not and why does
    it or why doesn't it?

    Leave a comment:


  • Aaron
    replied
    mass & energy

    Originally posted by chasson321 View Post
    But what of the limiting reagent and conservation of mass & energy? http://www.energeticforum.com/92573-post720.html
    As the amount of hydrogen is limiting and changing it into something else doesn't do a whole lot of good.

    Tim
    Originally posted by Dollard, E. P. (N6KPH) View Post
    2.) , who today waste billions of dollars of funding each year, only to chase their own tails in a canonic sequence.

    Chris determined that it was starting to exhibit the effects of synthesis of electrical energy from the electrostatic field. This is a result of the variation of capacitance (C in Farrads) with respect to time (T in seconds) which results in a negative conductance G (in Siemens). Hence the generation of electric energy.

    There was also the Rotary Electromagnetic Converter, constructed by Michael Knots and Peter Lindemann with the help of Chris Carson. This unit exhibited the property of materializing and dematerializing electric energy without regard for the Law of Conservation of Energy. This is another example of synchronous parameter variation. In this case inductance (L in Henrys) time (T in seconds) gave rise to positive resistance (R in Ohms), hence the unaccounted for destruction of electric energy.
    Tim, for your consideration.

    Leave a comment:


  • Farrah Day
    replied
    Ask me out for a date, I like good food, your paying, you never know what it might lead to
    Are you flirting with me Mike? Naughty, naughty... please try to stay on topic!

    Leave a comment:


  • Farrah Day
    replied
    OK Mike, please yourself.

    But I'll elaborate on my problems with this ammonia fuel thing. And this is not to dig and disrupt, insult or offend, it's merely to point out what I consider is being rather conveniently overlooked.

    Now, if we started with ammonia and then wanted to use it as a fuel source (a good source of hydrogen), then fair enough. Forgeting the fact that we have to produce the ammonia in the first place, it is the hydrogen content that is the important part. It is the hydrogen we will be combusting. (and so yes, we still have the embrittlement issue).

    However, this is not the case here. As far as I can tell, people here are intending to use energy to produce H2 and O2 from an electrolyser, then somehow take the O2 out of the air to leave N2 and then work hard to use this H2 and N2 to create NH3. Why?

    We had the hydrogen in step one, creating ammonia will not increase the amount of available hydrogen! In fact all that has been achieved in this scenario is a pointless waste of energy. Creating ammonia is a step backwards. It gains you nothing, and to go to all this trouble for a net energy loss makes no sense whatsoever.

    I hope at least some of you can see what I'm getting at here.

    And if you don't agree with me, at least have the decency to put forward a scientific argument to counter what I've said.

    Farrah

    Leave a comment:


  • sebosfato
    replied
    Ok 50kj heat of formation and 620kj heat of combustion

    so you are considering you already have the hydrogen free right?

    Because if hydrazine is N2H4 you would need 2 moles of molecular hydrogen for 1 mole of molecular nitrogen. Now if you count the 2 moles of hydrogen 286 kj per mole you would have (2moles *286kj /mol )+ 50kj heat of formation you have your 622kj heat of combustion per mole of hydrazine .

    so what are you talking about?
    where is your energy gain
    I think you are just talking about BS.

    Leave a comment:


  • Michael John Nunnerley
    replied
    date

    Originally posted by Farrah Day View Post
    Well, you're certainly right about one thing Mike, it is a little bit of chemistry... an exceedingly little bit!

    Care to elaborate on where this particular 'bit' fits into the sequence of events?

    Farrah
    Ask me out for a date, I like good food, your paying, you never know what it might lead to

    Mike

    Leave a comment:


  • Michael John Nunnerley
    replied
    Originally posted by Farrah Day View Post
    Well, you're certainly right about one thing Mike, it is a little bit of chemistry... an exceedingly little bit!

    Care to elaborate on where this particular 'bit' fits into the sequence of events?

    Farrah
    At the moment NO

    Mike

    Leave a comment:


  • Michael John Nunnerley
    replied
    to many chemistry books

    Originally posted by chasson321 View Post
    But what of the limiting reagent and conservation of mass & energy? http://www.energeticforum.com/92573-post720.html
    As the amount of hydrogen is limiting and changing it into something else doesn't do a whole lot of good.

    Tim
    Hi Tim

    I think you have been drawn into the main stream thinking too much, conservation of mass and energy is not in mine, and now I think, not in NASA's book either, as I have posted on another thread http://www.energeticforum.com/renewa...oven-nasa.html

    Mike
    Last edited by Michael John Nunnerley; 04-27-2010, 06:29 PM. Reason: link

    Leave a comment:


  • Farrah Day
    replied
    Here is a little bit of chemistry:-

    For one of the gaseos mixes been posted on this thread,

    -51kj/mol in forming the gas
    -622kj/mole when burnt

    Oh the - sign in your book would probably be a +, but in the scientific world we use this for an EXOTHERMIC reaction now that is where the excess is

    Mike
    Well, you're certainly right about one thing Mike, it is a little bit of chemistry... an exceedingly little bit!

    Care to elaborate on where this particular 'bit' fits into the sequence of events?

    Farrah

    Leave a comment:


  • pengrove
    replied
    [QUOTE=Michael John Nunnerley;93128]Here is a little bit of chemistry:-

    For one of the gaseos mixes been posted on this thread,

    -51kj/mol in forming the gas
    -622kj/mole when burnt

    Oh the - sign in your book would probably be a +, but in the scientific world we use this for an EXOTHERMIC reaction now that is where the excess is

    Are you having any problems with nitric acid condensate?

    Leave a comment:


  • chasson321
    replied
    last edit...
    Last edited by chasson321; 05-17-2010, 03:44 AM.

    Leave a comment:


  • Michael John Nunnerley
    replied
    Enthalpy Of Reaction

    Originally posted by Farrah Day View Post
    Jesus...



    I've read the bloody thread OK - and most of it contains no science whatsoever - just conjecture.

    I have not seen even one speculative balanced equation for any process put forward. At least if I had a theory I would support it with balanced chemical equations and detail the reactions taking place. There is a complete lack of science here.

    And, for your information, I was not talking about H2 from the ambient air. I'm assuming that you've produced H2 and O2 via electrolysis in the first place. Hence we have air, (which is naturally high in N2) that is also now relatively high in H2 and O2 to boot. So as stated previously the Ammonia would be limited by the amount of available H2.

    So what reactions take us from this mix of H2, O2 and N2 to Ammonia... and what exactly is the point of it? What energy are you gaining... and from where?

    It should not be a difficult question if you know what you're trying to achieve... or indeed if you know what you're talking about.

    Farrah
    Here is a little bit of chemistry:-

    For one of the gaseos mixes been posted on this thread,

    -51kj/mol in forming the gas
    -622kj/mole when burnt

    Oh the - sign in your book would probably be a +, but in the scientific world we use this for an EXOTHERMIC reaction now that is where the excess is

    Mike

    Mike

    Leave a comment:


  • sebosfato
    replied
    Hi Tutanka

    I want to collaborate with my ideas, i'm not criticizing i questioning sorry if sound like critics.

    Hi Aaron,

    You made a good question i'm going to find the answer.

    Just found something interesting

    Power generation using N2O4

    The tendency of N2O4 to reversibly break into NO2 has led to research into its use in advanced power generation systems as a so-called dissociating gas. "Cool" nitrogen tetroxide is compressed and heated, causing it to dissociate into nitrogen dioxide at half the molecular weight. This hot nitrogen dioxide is expanded through a turbine, cooling it and lowering the pressure, and then cooled further in a heat sink, causing it to recombine into nitrogen tetroxide at the original molecular weight. It is then much easier to compress to start the entire cycle again. Such dissociative gas Brayton cycles have the potential to considerably increase efficiencies of power conversion equipment.

    Hi sucayo

    with that stan mean that he had mixed the h2 gas with non combustible gases before sending to the nozzle as to have = to or safer than that butane or other combustible gas transport inside the tube.
    Last edited by sebosfato; 04-27-2010, 04:40 PM.

    Leave a comment:


  • Slovenia
    replied
    Thanks Aaron

    Hi Aaron,

    You've got a wonderful thread here. There is so much incredible information within this thread and there is a lot here to digest. Each time I go back and scan through it, I find something I overlooked before. Thanks so much for starting this thread and for all your very astute explanations.

    Best Regards,
    Slovenia

    Leave a comment:


  • Vickers
    replied
    RIP Todd

    Originally posted by tutanka View Post
    Why you want use microwave??
    Todd William Wallin - Patent application
    Todd William Wallin Obituary: View Todd Wallin's Obituary by The Atlanta Journal-Constitution

    Leave a comment:

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