Recent content by Ibraim

  1. I

    Undergrad Explanation about air flows in tubes

    First of all, thanks for the answer! I'm investigating this because I'm solving one of the IYPT problems for 2013, the Helmholtz Carousel, and I think it is an important thing to think about. I'm looking for the answer following your suggestion about the symmetry, and it seems to be the right...
  2. I

    Undergrad Explanation about air flows in tubes

    Hi people, I'm new here, so, if there's anything wrong with my post, please tell-me =) So, if we have a recipient, with a cavity and a small hole, and imagine that we have a sudden expansion of the gas inside the recipient(we assume the volume increase was ΔV, and the duration of the...