Is steam or air really viable?

Discussion in 'Aircraft Design / Aerodynamics / New Technology' started by Aerowerx, Jul 17, 2019.

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  1. Jul 22, 2019 #61

    FritzW

    FritzW

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  2. Jul 22, 2019 #62

    proppastie

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    I do not understand why the steam does not go backwards into the water bottle too.
    Is the engine basically runing on the 100 PSI pressure of the water tank?
     
  3. Jul 22, 2019 #63

    pictsidhe

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    That's going to be difficult with a high specific energy.
    Hydrogen peroxide will evolve oxyygen at coolish temps. Unless you use the strong stuff...
     
  4. Jul 22, 2019 #64

    Aerowerx

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    Good point.

    I would like to see him open the valve with the torches turned off!
     
  5. Jul 22, 2019 #65

    poormansairforce

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    Because the turbine isn't regulated i.e. its open to atmosphere so there is no way it can develop 100 psi back pressure so the steam takes the easier path.
     
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  6. Jul 22, 2019 #66

    BJC

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    There is greater pressure in the water bottle than at the exhaust of the engine. That pressure differential causes the water to flow from the bottle through the system to the exhaust. The water gains energy in the heat exchanger, transports that heat to the engine where it gives up the heat by turning it into work (turning the propeller).


    BJC
     
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  7. Jul 22, 2019 #67

    Pops

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    I went to B&W's welding school to weld their boiler tubes and welded their Boiliers for several years and also worked for Combustion Engineering on many, many jobs.
    All of this is above my pay scale.
     
    Last edited: Jul 22, 2019

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