Figuring Out Heat Transfer & Entropy of Steam at 10 MPa

In summary, the question asks for the entropy and heat transfer per unit mass of water undergoing a heat transfer at constant pressure of 10 MPa, changing from liquid to steam. The suggested approach is to use steam tables for the vaporization process, assuming an initial temperature. Assistance is appreciated.
  • #1
Nick Goodson
7
2
Thread moved from the technical forums to the schoolwork forums
Hello everybody, would somebody please put me on the right track to answering this question?

'Consider water undergoes a heat transfer
at constant pressure of 10 MPa and
changes from liquid to steam. Find the
entropy of the system (sfg) as well as the
heat transfer per unit mass in this
process?'

Is this just looking at steam tables and working per unit mass?

I'd appreciate any help
Thanks
 
Physics news on Phys.org
  • #2
The problem does not specify initial temperature.
If you are free to assume, you could use steam tables per unit mass for the vaporization process only.
 
  • Like
Likes Nick Goodson
  • #3
Lnewqban said:
The problem does not specify initial temperature.
If you are free to assume, you could use steam tables per unit mass for the vaporization process only.
Thanks Lnewqban
 
  • Like
Likes Lnewqban

What is heat transfer?

Heat transfer is the process of thermal energy moving from one object or substance to another due to a difference in temperature.

How is heat transfer measured?

Heat transfer is measured in units of energy, such as joules or calories, per unit time. It can also be measured in terms of temperature change, such as degrees Celsius or Fahrenheit.

What is entropy?

Entropy is a measure of the disorder or randomness in a system. In thermodynamics, it is a measure of the amount of energy that is unavailable for work in a system.

How is entropy related to heat transfer?

Entropy is directly related to heat transfer. As heat is transferred from a hot object to a cooler one, the entropy of the system increases. This is because the thermal energy becomes more evenly distributed, increasing the disorder of the system.

What is the significance of studying heat transfer and entropy in steam at 10 MPa?

Studying heat transfer and entropy in steam at 10 MPa is important for understanding the behavior of steam in various industrial processes, such as power generation and refrigeration. It also allows for the optimization of these processes to increase efficiency and reduce energy waste.

Similar threads

  • Introductory Physics Homework Help
Replies
3
Views
729
  • Introductory Physics Homework Help
Replies
9
Views
3K
  • Introductory Physics Homework Help
Replies
2
Views
3K
  • Introductory Physics Homework Help
Replies
1
Views
2K
  • Introductory Physics Homework Help
Replies
3
Views
1K
  • Introductory Physics Homework Help
Replies
5
Views
2K
  • Introductory Physics Homework Help
Replies
1
Views
6K
  • Introductory Physics Homework Help
Replies
3
Views
2K
Replies
1
Views
2K
  • Introductory Physics Homework Help
Replies
9
Views
2K
Back
Top