Recent content by jsurow

  1. J

    Can you get pulled under a train?

    It seems that this could be modeled by the Bernoulli equation: P + (1/2)ρv² + ρgh = constant where: P is the static pressure of the fluid. ρ is the density of the fluid. v is the velocity of the fluid. g is the acceleration due to gravity. h is the elevation or height of the fluid. That is...
  2. J

    I Mechanism of action of cooling from fans with misters

    II'm trying to figure how adding misters to a fan, sprayed or nebulized water into the stream of air, yields increased cooling. Is it due to a non evaporative mechanism, perhaps better heat transport away from the person through humidified air versus dry air? It seems to me that the minimal to...
  3. J

    Can retired ENT surgeons relearn math and science after 40 years?

    In retirement, relearning math and science topics that I forgot, or have been waiting 40 years to study!
  4. J

    Calculating Wave Amplitude & Wavelength in Water Pools

    How would we model/calculate the circular waves in a pool of water (wavelength and amplitude) from a mass falling into it from a given height, and from a fountain of water falling into it continuously? Is there is a way to describe the initial configuration of the wave based on the stimulus...
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