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!

Heating element

  1. Nov 22, 2013 #1
    Dear All,

    I am comparing two methods for keeping premature, and ill babies warm.

    On the one hand I have resistive heating, and on the other 'hot packs'

    Goal is to find a reusable, and reliable method. It has to maintain a constant temperature for at least 2 hours, and preferable has to be cheap.

    I know a resistive heating element suits all these purposes, but I am wondering if there are any 'hot packs' that do so...?

    Just to be clear: By 'hot pack' I mean the elements which contain a liquid that crystallizes when you break a coin inside the element.

    Does anybody know more about these things, and has a source maybe?

  2. jcsd
  3. Nov 22, 2013 #2


    User Avatar

    Staff: Mentor

    *Stop* multiple posting threads! Check your PMs and keep your discussion in your original thread.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook