Will Mixing Hot Air and Steam in a Sealed Cylinder Change Pressure?

  • Context: Undergrad 
  • Thread starter Thread starter dakosho
  • Start date Start date
  • Tags Tags
    Air Hot Mixing Steam
Click For Summary
SUMMARY

Mixing hot air and steam in a sealed cylinder will result in a change in pressure due to the differing temperatures and properties of the gases involved. The discussion highlights that hot air is four times hotter than steam, which will affect the overall pressure once the cylinder is sealed. Utilizing steam tables and the ideal gas equation is essential for calculating the resulting pressure changes accurately. The interaction between the two gases will not yield a simple answer, indicating the complexity of thermodynamic behavior in mixed gas systems.

PREREQUISITES
  • Understanding of thermodynamics principles
  • Familiarity with steam tables
  • Knowledge of the ideal gas law
  • Basic concepts of gas mixtures and pressure changes
NEXT STEPS
  • Research the application of the ideal gas law in mixed gas systems
  • Study steam tables for various temperatures and pressures
  • Explore thermodynamic properties of air and steam
  • Investigate real-world applications of gas mixing in sealed environments
USEFUL FOR

Students and professionals in physics, engineering, and thermodynamics, particularly those interested in gas behavior and pressure dynamics in sealed systems.

dakosho
Messages
2
Reaction score
0
Hi, everyone!

I have a question: if we quickly fill a cylinder with steam from one end and with hot air from another end, both at atmospheric pressure and equal volume, with hot air 4 times hotter than steam, and then immediately seal that cylinder -- will pressure change as steam and hot air mix together or not? Let's say that cylinder is insulated and no vacuum happens because of external cooling. And what's going to happen with pressure if we admit hot and cold air respectively and let them mix after sealing?..
 
Science news on Phys.org
Welcome to pf!

Why don't you pick some values and try using a steam table and the ideal gas equation to solve this? I don't think it has a simple answer.
 

Similar threads

Undergrad Do refrigerants passing through a venturi act like steam?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Pressure: Sealed bottle physics
  • · Replies 29 ·
Replies
29
Views
5K
High School Gas cylinder at constant pressure being exposed to atmosphere, how?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Trying to wrap my head around gas turbine thermodynamics
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Centrifugal separation into hot & cold air streams?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Calculating Pressure Change Filling Gas Cylinders
  • · Replies 69 ·
3
Replies
69
Views
7K
Undergrad Why does hot air have low pressure? (wind formation)
  • · Replies 16 ·
Replies
16
Views
3K
Undergrad What is the most efficient way to cool air using a Vortex Tube (Ranque-Hilsch)?
  • · Replies 1 ·
Replies
1
Views
1K
Need advice and hints for working with helium
  • · Replies 14 ·
Replies
14
Views
2K
Undergrad Is equilibrium vapor pressure different in vacuum and in air?
  • · Replies 2 ·
Replies
2
Views
3K