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  • Users: vroma
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  1. vroma

    Dew point change with increase in pressure and decrease in temperature

    Any suggestions on how to calculate the new dew point (that is, at the lower temperature but higher pressure)?
  2. vroma

    Dew point change with increase in pressure and decrease in temperature

    Well, for further context, this is gas collected from a landfill. The gas is being drawn by wells under negative pressure and that gas in the landfill is saturated. It is then sent to a chiller system that reduces the gas temperature and, then, the pressure is increased through blowers...
  3. vroma

    Dew point change with increase in pressure and decrease in temperature

    Ok, I guess I should clarify my question. I wanted to see if someone could point me in the right direction in terms of calculating the actual dew point reduction number. Thanks.
  4. vroma

    Dew point change with increase in pressure and decrease in temperature

    Hi everyone, Hope I am posting in the right forum. I had a question about dew point and, since this is not my field, I am somewhat lost. I am trying to find out what happens to the dew point of a saturated gas under vacuum when the temperature drops by 20 deg F and the pressure increases to 5...
  5. vroma

    Stack gas temperature

    Thank you, Milton. Ball park is good and all I'm looking for at this point. The existing stack is about 80 feet high. Do you think that a 15 to 20 degree temperature decrease would still be reasonable for this height? Roma
  6. vroma

    Stack gas temperature

    Thanks. But the equipment (engines) have not been installed yet and I was looking for a way to predict the temperature at the top of the stack based on engine exhaust temperature, stack height, etc.
  7. vroma

    Stack gas temperature

    Hello everyone, I am working on a project that would involve routing the exhaust of a number of combustion devices to an existing stack. In order to do some basic modeling, we need to know the stack gas temperature. We have the exhaust temperature from the devices and the existing stack...
  8. vroma

    Enthalpy of air / vapor mixture

    Great! Thanks, Latexman. Are you aware of any good online resources for the air and superheated steam enthalpies at around 600 deg F? Ideally, in a tabular format. Thanks again, vroma
  9. vroma

    Enthalpy of air / vapor mixture

    Hi everyone, I'm out of my depth with this area and I'm hoping you can help. I'm trying to determine the enthalpy of air with some moisture at around 600 degrees Fahrenheit and atmospheric pressure. Would I do this by adding the enthalpy of dry air to the enthalpy of superheated steam at 600...

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