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Geothermal assisted Rankine cycle for performance enhancement of a biomass-driven power plant; Thermoeconomic and environmental impact assessment by Xuezhou Fan; Hazim Moria; Shaker A. Reda; Fayez Aldawi; Nguyen Truong; Shuwen Wu is a Engineering article available to read on EtoBox.

What is Geothermal assisted Rankine cycle for performance enhancement of a biomass-driven power plant; Thermoeconomic and environmental impact assessment about?

In view of the environmental concerns of increasing fossil fuel consumption, the renewable energy sources are promising alternatives, among which the biomass and geothermal energies are the two most common and mature ones. In the present research, a novel Electricity Generation System (EGS) driven by hybrid biomass fuel and geothermal source is developed and its performance is compared with Typical EGS (TEGS) driven by only the biomass fuel. The TEGS consists of a gas turbine cycle and a steam Rankine cycle equipped with an open-feed water heater (OFWH). In the proposed Hybrid Electricity Generation System (HEGS), the geothermal energy is deployed to heat the feedwater before entering the OFWH, as a result the bottoming Rankine cycle yields more electricity. However, a comprehensive investigation from technical and economic standpoints is required to compare its performance with the relevant TEGS. Therefore, through the application of thermodynamic, thermoeconomic, and environmental methodologies, the considered EGSs performance are modeled and comprehensively analyzed. Based on the modeling results, the maximum exergetic efficiency for the TEGS and HEGS is achieved, respectively a

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Author

Xuezhou Fan; Hazim Moria; Shaker A. Reda; Fayez Aldawi; Nguyen Truong; Shuwen Wu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)