Cogeneration Plant: Ideal Cycle Analysis for Water as Working Fluid

  • Thread starter bluepleiadez
  • Start date
  • Tags
    Plant
In summary, the conversation discusses the type of cycle for a cogeneration plant that uses water as a working fluid and utility heat. The participants suggest that it could be an ideal Rankine cycle or a regenerative Rankine cycle. It is noted that the system is assumed to be ideal with no pressure drop, heat loss, and is internally reversible. There is a brief discussion about the T-s diagram and the inclusion of a throttling valve or pump. Ultimately, it is determined that the regenerative Rankine cycle is the appropriate choice.
  • #1
bluepleiadez
10
0

Homework Statement


The question asked about a cogeneration plant with water as a working fluid, but I am not sure what type of cycle it belongs to. The plant uses utility heat and steam can be throttled.


Homework Equations


The system was assumed to be ideal, no pressure drop, no heat loss and is internally reversible.


The Attempt at a Solution


Brayton, ideal Rankine cycle?
 
Physics news on Phys.org
  • #2
I would think it would be the ideal Rankine cycle.
 
  • #3
rock.freak667 said:
I would think it would be the ideal Rankine cycle.

I believe it's regenerative rankine cycle?
 
  • #4
bluepleiadez said:
I believe it's regenerative rankine cycle?

Yeah that's it, I couldn't remember how the regenerative cycle's T-s diagram looked like. But it should be that one.
 
  • #5
rock.freak667 said:
Yeah that's it, I couldn't remember how the regenerative cycle's T-s diagram looked like. But it should be that one.

I can leave out the throttling valve in the ts diagram right?since the valve does not give power...but increases pressure?
 
  • #6
bluepleiadez said:
I can leave out the throttling valve in the ts diagram right?since the valve does not give power...but increases pressure?

I think you mean pump and not throttling valve? But you'd need to have it, else your diagram won't make a cycle.
 
  • #7
rock.freak667 said:
I think you mean pump and not throttling valve? But you'd need to have it, else your diagram won't make a cycle.

Ya okay I got it. Thnks for ur input! :)
 

Related to Cogeneration Plant: Ideal Cycle Analysis for Water as Working Fluid

1. What is a cogeneration plant?

A cogeneration plant, also known as a combined heat and power (CHP) plant, is a facility that generates both electricity and heat from a single fuel source. It uses an ideal cycle analysis to maximize the efficiency of the process.

2. What is an ideal cycle analysis?

An ideal cycle analysis is a thermodynamic process that models the theoretical maximum efficiency of a power plant. It assumes that all processes are reversible and that there are no energy losses.

3. Why is water commonly used as a working fluid in cogeneration plants?

Water is a common working fluid in cogeneration plants because it has a high specific heat capacity, is inexpensive, and is readily available. It also has a low environmental impact and can be easily recycled.

4. How does a cogeneration plant benefit the environment?

A cogeneration plant can benefit the environment in several ways. Firstly, it reduces the amount of fuel needed to generate both electricity and heat, resulting in lower emissions of greenhouse gases. Secondly, it can use renewable energy sources such as biomass or solar energy, further reducing its environmental impact.

5. What are the main advantages of using an ideal cycle analysis in cogeneration plants?

The main advantages of using an ideal cycle analysis in cogeneration plants are that it allows for the maximum efficiency of the plant to be calculated and optimized, reducing energy costs and environmental impact. It also provides a theoretical model for comparison with real-world plants, helping to identify areas for improvement.

Similar threads

  • Engineering and Comp Sci Homework Help
Replies
1
Views
705
  • Engineering and Comp Sci Homework Help
Replies
1
Views
598
  • Engineering and Comp Sci Homework Help
Replies
1
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
22
Views
2K
  • Mechanical Engineering
Replies
14
Views
557
  • Engineering and Comp Sci Homework Help
Replies
10
Views
1K
  • Engineering and Comp Sci Homework Help
Replies
1
Views
1K
  • Engineering and Comp Sci Homework Help
Replies
1
Views
1K
Replies
4
Views
732
  • Engineering and Comp Sci Homework Help
Replies
1
Views
1K
Back
Top