Recent content by Gstoettenmayr

  1. Gstoettenmayr

    Volume change when cooling a saturated volume of air

    Sorry to hear about that, either way, your explanations are most helpful! :)
  2. Gstoettenmayr

    Volume change when cooling a saturated volume of air

    Hello, Thank you very much for your detailed calculation. $$V_{85}=\frac{(1)(0.082)(273+85)}{0.9711}=31.2 \ liters$$ seems to contain a small error or typo $$V_{85}=\frac{(1)(0.082)(273+85)}{0.9711}=30.2 \ liters$$ is the correct number. So the the volume ratio is 12.9/30.2 =0.43 instead of...
  3. Gstoettenmayr

    Volume change when cooling a saturated volume of air

    Thank you for very much for your detailed answer. Regarding the second approximation, the mass in the bag does remain constant. However, the mass in the gas phase does decrease due to the water condensing. Therefore, I would think that in this case the density ratios cannot be used to calculate...
  4. Gstoettenmayr

    Volume change when cooling a saturated volume of air

    It is just a thought experiment and ideal gas laws will suffice for the accuracy required.
  5. Gstoettenmayr

    Volume change when cooling a saturated volume of air

    Here are my calculations, what are your thoughts?
  6. Gstoettenmayr

    Volume change when cooling a saturated volume of air

    Thank you for your reply. Yes, I am aware of this. What shrinkage did you calculate for the question I posted?
  7. Gstoettenmayr

    Volume change when cooling a saturated volume of air

    TL;DR Summary: How much does a bag with 100 % water saturated air shrink in volume when it is cooled? A bag filled with 100% water saturated air at 85 degrees C (inside and outside) at a pressure of 738 torr inside and outside is cooled to 50 degrees C (inside and outside bag) and the pressure...
  8. Gstoettenmayr

    How Can a Multidisciplinary Engineer Advance Fertilizer Production Techniques?

    Hi there, Thank you for welcoming into your community. I completed a five year electrical control engineering college, then studied chemical engineering followed by a PhD in analytical chemistry. Since the last seven years I work in a role that involves chemical engineering and process...
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