1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Can I make a heat-based transport pipe?

  1. Dec 1, 2016 #1
    I learned about Tesla's valve and how, without moving parts, it wouldn't be useful enough. But my question is, can I make a pipe with the valve's structure, and only apply heat in order to create flow. I know things follow the path of least resistance, and with a constant addition of heat, I'm thinking it would cause a forward flow 100% of the time. Thoughts?
     
  2. jcsd
  3. Dec 1, 2016 #2

    CWatters

    User Avatar
    Science Advisor
    Homework Helper

    I'm not quite sure I understand your question but..

    Some heating systems use convection to circulate hot water around a house (for example) instead of using a pump. It will keep circulating as long as you keep heating one side and allow heat to escape from the other. Typically these are called "gravity" or "gravity fed" systems. They don't usually need a valve at all (except to isolate parts of the system for repairs).
     
  4. Dec 2, 2016 #3
    Right. That's essentially what I'm thinking, but to have a radial tesla valve as the hose or pipe. That way gravity or cooling at one end is unnecessary.
     
  5. Dec 7, 2016 #4

    CWatters

    User Avatar
    Science Advisor
    Homework Helper

    That won't work. It's not "heat" that drives convection it's "temperature difference". If there is no temperature difference between the two vertical pipes the density of the fluid in each will be the same so there will be nothing driving the circulation through the valve.

    It you have a heater one end and "no cooling" at the other then it might work for awhile, but only for as long as there is a temperature difference. If there is no cooling anywhere the temperature of the system will keep rising until the heater can't put anymore in. At that point the temperature will be uniform and circulation will stop.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Can I make a heat-based transport pipe?
  1. Heat pipe heat recovery (Replies: 12)

Loading...