Perform a comparative cost assessment

Assignment Help Mechanical Engineering

Reference no: EM13538395

You are invited as an engineer to perform a study for a newly built community to cover their power need of 30 MW. You are told that there are two options for you to consider: (a) a natural gas fueled steam (actual Rankine cycle based) power plant and (b) a hot geothermal water (at 190^oC) driven isobutane Rankine power plant. You are now requested to study these two systems energetically, exergetically, environmentally and economically to make recommendations.

1) Follow the following procedure:

o Design both power plants

o Make problem statement

o Show the cycles on a T-s diagrams with respect to saturation lines

o Make CONCEPTUALLY CORRECT assumptions and approximations for each plant

o Identify physical laws

o List properties in the table for each plant based on the state points

o Write balance equations (mass, energy, entropy and exergy)

o Do calculations through EES software for all mass flowrates, heat and work rates, efficiencies for all components and the entire system

o Discuss results (with reasoning and verification)

o Make recommendations on how to improve the efficiency.

2) Perform a comparative cost assessment for both power plants by considering the energy resources.

3) Perform a comparative environmental impact assessment for both power plants by considering the energy resources.

4) Prepare a report for submission (one per group).

Reference no: EM13538395

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