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Increase temperature of liquid in a box without heat convection or conduction

  1. Jul 2, 2015 #1
    hello
    I have a liquid or gas inside a metallic box (eg. stainless steel 5mm thick)
    how can I increase its temperature without heat convection or conduction?
     
  2. jcsd
  3. Jul 2, 2015 #2

    CWatters

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    Squash the box in a 10 ton press?
     
  4. Jul 2, 2015 #3
    obviously I don't want to destroy the box
     
  5. Jul 2, 2015 #4

    Dale

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    If you want to increase temperature then you must increase the energy. You can do that by heat or by work. If you can do neither then it cannot be increased.
     
  6. Jul 2, 2015 #5

    CWatters

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    There are lots of ways to do it but I don't want to waste your time with suggestions that you can't use because of some detail you haven't mentioned.
     
  7. Jul 2, 2015 #6
    Well, he only disallows convection and conduction, not heat transfer in general. You can still use radiation...
     
  8. Jul 2, 2015 #7
    Gases and liquids are not completely transparent, so maybe some kind of radiation will work. To eliminate natural convection, take your box out of a gravitational field.

    Chet
     
  9. Jul 2, 2015 #8
    I don't have any other details, I am looking for ALL possible ways to achieve it
     
  10. Jul 2, 2015 #9

    berkeman

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    Your question is pretty vague. Can you tell us what the application is? We could be of more help if we knew the context of the question and the application.
     
  11. Jul 3, 2015 #10
    there is no application, it's just an experiment
     
  12. Jul 3, 2015 #11

    Dale

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    OK, then the physical principles are that you cannot increase temperature without increasing energy. That can either be done through heat or work. So all possible ways of increasing heat or doing work will achieve it.
     
  13. Jul 3, 2015 #12
    heat or work...
    well work can be anything!
    and also any radiation?
    ultrasound?
     
  14. Jul 3, 2015 #13

    Dale

    Staff: Mentor

    Will the radiation transfer energy? Will ultrasound transfer energy? If so, then see my previous post.
     
  15. Jul 3, 2015 #14
    they may transfer energy
    but will they surpass the metallic box?
     
  16. Jul 3, 2015 #15

    Dale

    Staff: Mentor

    How should we know? You provide no details.

    You have been taught the physics. Everything else is uninformed speculation on our part. Thread closed.
     
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