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    Monotube Flash Boiler Design

    Isentropic = same energy. So the working fluid has the same energy before and after but expressed differently. Like how 1 gallon of fluid moved at 1714psi is 1 hp and 1714 gallons moved at 1psi is 1 HP. With the perfect pumps/fluid motors at magical 100% efficiency, you could transition...
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    Monotube Flash Boiler Design

    Might "click" for you if you look up how a De Laval nozzle works. The restriction is just a simple machine (inclined planes) so imagine the inducting fluid is placed into a piston and is pushing a mass up a hill instead of gasses moving around. The thermal to kinetic energy is very much like...
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    Monotube Flash Boiler Design

    There is a critical point where the down stream pressure must be low enough or a working injecting gas be hot enough. Check out boiler injectors. That energy has to come from some where in order to increase P2. Check out de laval nozzles. If the down stream pressure = the upstream and you...
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    Monotube Flash Boiler Design

    Air flow means you must have higher air pressure at the source then the receiver. That's easy to agree with. If the pressure is high enough then you get flow. Depending on nozzle design, the flow accelerates and thermal energy becomes kinetic and the pressure in the air stream drops regardless...
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    Monotube Flash Boiler Design

    There is a highly detailed paper on the web about the oil/air bubble seperator on the F4 phantom. Great read on separating oil and air in a dynamic environment. Where this seperator will not be used in a orientation static set up, it might be good to toss in some fine stainless mesh cylinders...
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    Monotube Flash Boiler Design

    Do you have access to a kiln or melting furnace? Do you have any local pottery supply shops? Diamond drills are pretty cheap now, a kaowool bushing around stainless bolts would probably cushion a ceramic plate well enough. If you have access to the above resources, I can set you on the road...
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    Monotube Flash Boiler Design

    His whole design is fascinating and his turbines are simply magnificent. Edit: @Toymaker, have you considered a duel fluid system? Use rapidly cycling water in the burner and a plate heat exchanger to heat the refrigerant? Some pros I see are; Potential hotspots won't produce bhopal like...
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    Monotube Flash Boiler Design

    Awesome machining.
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    Monotube Flash Boiler Design

    I'm sorry but no photos. They all went away when photobucket stopped being free and the last 10 years I was out of the DIY game. Now regretting purging a lot of stuff, but was living somewhere not conducive to a home shop... but the metal bug kept crawling around calling, hence the coming move...
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    Monotube Flash Boiler Design

    I've made a similar sorta burner stacking stainless steel screen. The flame ends up like a Meker burner flame and the mesh keeps the flame, if sized correctly, from getting into the fuel air stream so you can have broad very hot but soft blue flames. Great for heating large items for silver...
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    Hi new here

    No worries. Once I get into it I will start a full thread and then you more clever folk can smack me around the ears over choices like rotary valves.
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    Monotube Flash Boiler Design

    Nicrome is designed to aggressively self passivate, which prevents erosion from oxidizing. Thermal cycling eventually sheds some of the oxide sheath leading to wires thinning and hot spots. Stain-less is a better name then "stainless". It is designed to also passivate. If you run stainless...
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    Monotube Flash Boiler Design

    I was only 3/8ths joking about R290. Both over tempurature and over pressure valves are available for it right off the shelf. Arranging safe venting or flaring is possible whereas anything halogenated and decomposing can not be safety vented. The toxicity of decomposed freons is unbelievable.
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    Hi new here

    Everything you said is part of it. Where the wasted energy of compression is so vast, I want to scrape together some efficiency by using some of that energy/water output to increase overall efficiency. It's a combo of liquid/solid piston with air/water venturi induction and an interrupted...
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    Monotube Flash Boiler Design

    I have a coveted supply of MPS, that plus an oxygen tank is going to get just about anything small, like a copper pipe, hot enough to braze. I miss MPS like a lost lover. Sigh.
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    Monotube Flash Boiler Design

    If I want to join a water filled pipe I open one end, whip out my oxyfuel system and hit it with copper phosphorus rods 😎. Water be damned. As mentioned by other posters, it's direct flame impingement on your boiler tubes that worries me... It all boils down to the low decomposition point of...
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    Hi new here

    Going for dry gas, I found a way to use the humidity to cool the air and draw out more humidity to 100 of Rh so I'm working from there. Can I ask a forum question, what's the best way to search this forum so I don't post those annoying "how to" questions? Is the forum search good or is this a...
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    Monotube Flash Boiler Design

    Out of curiosity, have you been measuring the heat loss through your burner walls as you re-modled it? A reverse airflow over it, like helicopter engines often use, with the air being drawn into the burner by venturi might net you some fuel efficiency gains if the thing is running really hot...
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    Monotube Flash Boiler Design

    IIRC a change in two degrees Celsius and an increase to 80% humidity costs a Honda gx196 about 1 hp out of 6.5hp.
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    Monotube Flash Boiler Design

    I 100% agree.
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