Is There Heat Transfer in a Stirling Engine's Constant Volume Process?

Click For Summary
SUMMARY

The discussion centers on the heat transfer (Q) during the constant volume process in a Stirling engine. It is established that during this process, the work done (dW) is zero, leading to the conclusion that the heat transfer is equal to the change in internal energy (dQ = dU). For an ideal gas, the change in internal energy is defined as dU = nCvdT, confirming that heat transfer does occur in this scenario as per the first law of thermodynamics.

PREREQUISITES
  • Understanding of the first law of thermodynamics
  • Familiarity with ideal gas laws
  • Knowledge of internal energy and specific heat capacities
  • Basic principles of Stirling engine operation
NEXT STEPS
  • Study the first law of thermodynamics in detail
  • Explore the properties of ideal gases and their behavior
  • Research specific heat capacities (Cv and Cp) and their applications
  • Investigate the thermodynamic cycles of Stirling engines
USEFUL FOR

Students and professionals in mechanical engineering, thermodynamics enthusiasts, and anyone interested in the operational principles of Stirling engines.

notojosh
Messages
9
Reaction score
0
Does Q exist during Constant volume process in Stirling engine? It seems like Q=E=3/2nRT? but I am not quite sure.
 
Last edited:
Science news on Phys.org
notojosh said:
Does Q exist during Constant volume process in Stirling engine? It seems like Q=E=3/2nRT? but I am not quite sure.
If the process is constant volume dW = PdV =0 so from the first law of thermodynamics (dQ = dU + dW) dQ = dU. For an ideal gas, dU = nCvdT

AM
 

Similar threads

  • · Replies 6 ·
Replies
6
Views
4K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 8 ·
Replies
8
Views
15K
  • · Replies 87 ·
3
Replies
87
Views
9K
  • · Replies 8 ·
Replies
8
Views
4K
  • · Replies 7 ·
Replies
7
Views
1K
  • · Replies 1 ·
Replies
1
Views
2K
Replies
14
Views
2K
  • · Replies 1 ·
Replies
1
Views
4K
  • · Replies 5 ·
Replies
5
Views
2K