PV=nRT to PQ=ṁRT where Q - volumetric flow rate?

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SUMMARY

The discussion centers on the conversion of the ideal gas law, represented as PV=nRT, to a form involving volumetric flow rate (Q) and mass flow rate (ṁ), specifically PQ=ṁRT. Participants explore the relationship between these variables, emphasizing the need to understand the context of gas flow, whether in a pipe or another geometry. The conversion is confirmed as possible, contingent upon correctly defining the parameters involved.

PREREQUISITES
  • Understanding of the Ideal Gas Law (PV=nRT)
  • Knowledge of fluid dynamics, specifically volumetric flow rate (Q) and mass flow rate (ṁ)
  • Familiarity with thermodynamic principles
  • Basic algebra for manipulating equations
NEXT STEPS
  • Study the derivation of the Ideal Gas Law and its applications
  • Learn about the principles of fluid dynamics, focusing on flow rates
  • Research the relationship between volumetric flow rate and mass flow rate
  • Explore real-world applications of gas laws in engineering contexts
USEFUL FOR

Students in physics or engineering, educators teaching thermodynamics, and professionals working with fluid dynamics will benefit from this discussion.

Jack359
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Homework Statement


Hello, I have really hard time to express the gas law PV=nRT to PQ=ṁRT where Q is volumetric flow rate and ṁ- mass flow rate.
Is it possible ?
Teacher told me, it is ...

Homework Equations

The Attempt at a Solution

 
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So what are the relevant equations? How can you express ##Q## and ##\dot{m}##?

What have you tried?
 
Jack359 said:

Homework Statement


Hello, I have really hard time to express the gas law PV=nRT to PQ=ṁRT where Q is volumetric flow rate and ṁ- mass flow rate.
Is it possible ?
Teacher told me, it is ...



Is it gas flow in a pipe, or is it some other geometry?

Chet
 

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