Posted: January 28th, 2022

EGNE 2303 Fall 2021 Term Project

EGNE 2303 Fall 2021
Term Project
Due: Thursday, Dec ninth @ midnight within the task dropbox
Energy Cycle Assessment with Regenerative Feedwater Heating
You’ve gotten been given (1) the specification sheet for a vapour energy plant with a steam turbine, and (2) the warmth circulate diagram for the facility plant, together with regenerative feedwater heating system.
Analyze this technique utilizing the thermo-fluids ideas developed on this course to find out the next:
1. Present a simplified schematic diagram of the facility plant, together with labels for every time period you employ in your Assessment (i.e., ?turbine, hFW1, ?out)
2. ?out (in Btu/s) for every of the 5 turbine levels illustrated on the diagram
three. Qin (in Btu/s) for every of the 4 levels of regenerative feedwater heating (i.e., how a lot enthalpy is added to the feedwater at every of the heating levels?)
four. ?in (in Btu/s) to the boiler feed pumps
5. Thermal effectivity of the facility plant as illustrated (with regenerative feedwater heating)
6. ?out (in Btu/s) for your complete turbine if there have been no regenerative feedwater heating system (i.e., if no steam was faraway from the turbine)
7. Thermal effectivity of the facility plant if there have been no regenerative feedwater heating system eight. Sketch the cycle with regenerative heating on a T-s diagram with every course of clearly labeled (ie,
“turbine”, “RG1”, “RG2”, “pump”, and many others.). Embody a vapor dome.
? Present clear labels and mass balances for every mass circulate calculated
? For every system (turbine, pump, boiler) analyzed, state mannequin assumptions and supply an power steadiness
? Make your options clear and straightforward to observe (I shall be placing in minimal effort to interpret messy or disorganized work)
Notes:
• Use system knowledge given for regular operation at a turbine energy output of 16 MW (i.e. 16,000 kW)
• “Warmth content material” values within the warmth circulate diagram characterize particular enthalpy (h)
• “Warmth consumption” values in spec sheet characterize charge of warmth circulate into the boiler per kW of energy produced (i.e., items are in BTU/(kw*hr))
• Feedwater (i.e., fluid flowing from the condenser to the boiler) might be assumed to be liquid in any respect levels
• Turbine and pump operation might be assumed to be adiabatic and internally reversible
• Modifications in kinetic and potential power might be ignored
• To calculate pump work, assume water strain on the pump inlet is at atmospheric strain (1 atm), and strain on the pump outlet is identical as on the turbine inlet
• “Again strain” means strain on the outlet of the turbine (i.e, inlet of the condenser, or “condensation strain”)
• Assume a fluid high quality of x = zero.9 on the turbine outlet
• Knowledge for “condensate” might be ignored (i.e, use knowledge for “steam to condensate”) on far proper facet of warmth circulate diagram
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EGNE 2303 Autumn 2021 Project
The task dropbox closes at midnight on December ninth.

Thermodynamic Modeling of Regenerative Feedwater

There’s a specification sheet and a warmth circulate diagram for a vapour energy plant with a steam turbine.

Analyze this technique utilizing thermo-fluids ideas to seek out:

Embody in your research a simplified schematic mannequin of the facility plant with labels for every time period (turbine, hFW1, out).

2.?out (in Btu/s) for every of the 5 turbine levels proven

(i.e., how a lot enthalpy is added to the feedwater at every of the 4 heating levels?)

four. Btu/s to boiler feed pumps

Determine 5: Thermal effectivity of the producing plant (with regenerative feedwater heating)

(in Btu/s) for your complete turbine with out regenerative feedwater heating (i.e., if no steam was faraway from the turbine)

7. Thermal effectivity of the plant with out regenerative feedwater heating eight. Draw the cycle with regenerative heating on a T-s diagram, labeling every step (ie,

“RG1”, “RG2”, “pump”, and many others.) a vapor dome

? Label and mass steadiness every computed mass circulate

? Present an power steadiness for every system (turbine, pump, boiler).

? Present easy, easy options (I shall be placing in minimal effort to interpret messy or disorganized work)

Notes:

• Use system knowledge for typical working at 16 MW turbine energy (i.e. 16,000 kW)

• Enthalpy values are proven within the warmth circulate diagram (h)

For instance, BTU/(kw*hr) on a spec sheet represents warmth circulate into the boiler per kW of energy produced.

• All levels of feedwater (from condenser to boiler) are thought of to be liquid.

• Turbine and pump motion is adiabatic and reversible.

Potential and kinetic power modifications are uncared for.

• Assume the water strain on the pump inlet is 1 atm and the strain on the pump exit is identical because the turbine inlet.

• “Again strain” is the strain on the turbine’s exit (or “condensation strain”).

• Assume x = zero.9 on the turbine outlet

• Ignore the information for “condensate” on the far proper facet of the warmth circulate diagram.

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