Investigation of Factors Affecting Efficiency of a Steam Power Plant Design of a Plant that can Achieve 46% Efficiency D

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Investigation Of Factors Affecting Efficiency Of A Steam Power Plant Design Of A Plant That Can Achieve 46 Efficiency D 1 (82.08 KiB) Viewed 46 times

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Investigation of Factors Affecting Efficiency of a Steam Power Plant Design of a Plant that can Achieve 46% Efficiency Due: Friday, May 6, 2022 (11:59 PM) **ALL projects must be submitted through Dropbox on BeachBoard** The purpose of this project is to investigate the effect of various design and operating conditions on the overall efficiency of a steam power plant. These parameters include boiler pressure and temperature; condenser pressure; re-heater pressure; feed-water heaters pressure; turbine efficiency; pump efficiency; heat exchanger effectiveness; steam quality; safety considerations; etc. The final goal of the project is to design a steam power plant that can achieve an actual overall thermal efficiency of at least 46 percent under the conditions that all turbines have isentropic efficiencies of 85%, all pumps have isentropic efficiencies of 90%, all open feed-water heaters have effectiveness of 100%, and all closed feed-water heaters have effectiveness of 90%. Start with a simple 4-component steam power plant and then consider modifying it by adding additional components such as re-heaters, re-generators (open and closed feed-water heaters), a combination of re-heater(s) and re-generator(s), as well as changing operating conditions, etc. to achieve an actual overall cycle thermal efficiency of 46% or higher for practical operating conditions. Prepare an engineering report describing your design criteria, methodology, analysis, and results. Justify your design criteria and any assumptions made. Your design report must include, but is not limited to, the following parts: a) A schematic diagram of each plant (design) with numbering and nomenclatures as specified in your textbook. b) Design criteria based on consideration of the recommended practices (operating conditions of pressure, temperature, steam quality, etc.; materials selection; cost, safety and environmental factors). c) Detailed calculations of each cycle investigated. Specify all input data for each cycle at the beginning of your calculations. Hand calculations are OK.
d) e) ) f) 8) A schematic T-s diagram with labeled thermodynamic states of the working fluid at different states in the cycle for each case. Operating conditions for each component of the plant and related thermodynamic properties of the working fluid (water). Comparison of actual and ideal cycle for the same operating conditions. Tables summarizing calculations and results for various cases considered. Discussion of various cycles attempted to meet the goal, as well as the positive and negative aspects of your design. A summary of your design project (the second page of your report, after the title page) Conclusions and recommendations. h) i) 1) NOTE: You need to use Steam Table to find all properties. You do not need to write any computer program. You can do all calculations by hand. You do not need to type the calculations or formulae. However, you need to type the introduction, summary, discussion, and conclusions. You need to show details of calculations for EACH cycle studied.