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Recent content by Enviro21

  1. E

    Speed of flash steam formation

    Nicely explained, thanks Brian.
  2. E

    Speed of flash steam formation

    Thank you for pointing that out. My understanding of what Eng-Tips.com is about is the sharing of information, tips and suggestions in an environment of curiosity and learning. My request for examples that I could use as a model was to facilitate my own learning. I'm retired and not a trained...
  3. E

    Speed of flash steam formation

    Thank you for your interesting analysis, I think the one that would be most useful to me is the third approach. Unfortunately i'm not a boiler engineer, so would you please give me a couple of examples that I could use as models to substitute my values into. Again, I'm most appreciative of your...
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    Speed of flash steam formation

    Hi btrueblood, I liked the way you put this into simple language. So what information would you need to calculate the evaporation rate for flash steam droplets. Can you give me some examples for other media. Cheers.
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    Speed of flash steam formation

    Thanks LittleInch, your latter assumption is correct and you've been more helpful that you realize. I'm getting some new instrumentation in the next two to three weeks which will make things a bit clearer, so till then I'll stay off line. Cheers for now.
  6. E

    Speed of flash steam formation

    Thanks LittleInch, you have been very helpful again. I appreciate I haven't given you much to go on, but I really appreciate your expertise and input. May I ask how you came to these estimates. is it from hard earned experience or is there something in the literature I can study further. I'm...
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    Speed of flash steam formation

    Thanks LittleInch, I was hoping to find an answer to this question in the millisecond range for my research project.
  8. E

    Speed of flash steam formation

    Why do I want to know this, because it is relative to a project I am working on. If anyone has any clues, let me know.
  9. E

    Speed of flash steam formation

    Why do I want to know this, because it is relative to a project I am working on. If anyone has any clues, let me know.
  10. E

    Speed of flash steam formation

    Hi, IRstuff, From what I have read, this phenomenon is called flash steam because it happens in a split second. It would help me to know if it has been researched and quantified relative to a set of standardized test parameters. Why do I want to know this, because it is relative to a project I...
  11. E

    Speed of flash steam formation

    I was wondering what time it takes for hot water condensate to flash in a flash tank from the moment a unit of hot condensate is released into the flash tank to the moment the flash steam is formed? Has anyone heard of researches that have tried to measure the phenomenon using high speed...
  12. E

    Pressure and thermal stressors in a tube

    Thanks Mike, that was really helpful. One more question. If the water at 2850 psia was heated, at what temperature would it flash to steam if the receiver was at 18-19 psia?
  13. E

    Pressure and thermal stressors in a tube

    Regarding your temperature question Stick, I quote a portion of the manufacturer's product description. "The role of Positive Temperature Coefficient materials are (PTC) materials that demonstrate a positive resistance change as temperatures increase. Manufacturers can create PTC ceramics to...
  14. E

    Pressure and thermal stressors in a tube

    Hello LittleInch, Thank you for your reply! Sorry for the apparent late reply but there is anywhere between 12 to 17 hours time difference depending where you are located in the US. I have attached a drawing with explanations to help clarify things, but please refer to my original post for full...
  15. E

    Pressure and thermal stressors in a tube

    I am working on an engineering problem as part of a private research project. The problem is out of my field of expertise and need some help. The purpose of the question: To determine if a metallic pipe (6061 Aluminium) of hexagonal shape 160mm long and 40mm OD measured across the flats with a...
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