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Full-Text Articles in Engineering
N Exergy Composite Curves Approach For The Design Of Optimum Multi-Pressure Organic Rankine Cycle Processes, Mirko Stijepovic, Athanasios Papadopoulos, Patrick Linke, Aleksandar Grujic, Panos Seferlis
N Exergy Composite Curves Approach For The Design Of Optimum Multi-Pressure Organic Rankine Cycle Processes, Mirko Stijepovic, Athanasios Papadopoulos, Patrick Linke, Aleksandar Grujic, Panos Seferlis
Sakis Papadopoulos
This work adopts the ECCs (exergy composite curves) approach to explore the potential for ORC (organic Rankine cycle) process improvements. The method is used to explore different ORC configurations supported by a mathematical model representing a generic multi-pressure ORC cascade and developed based on the principles of the ECCs method. The model facilitates interconnectivity at different temperature and pressure levels, also considering two types of turbines, namely an expansion and an induction turbine. It is employed to investigate the performance of two major ORC configurations, namely one considering independent pressure loops with an expansion turbine and the other considering pressure …
Optimum Synthesis Of Solvent-Based Post-Combustion Co2 Capture Flowsheets Through A Generalized Modeling Framework, Theodoros Damartzis, Athanasios Papadopoulos, Panos Seferlis
Optimum Synthesis Of Solvent-Based Post-Combustion Co2 Capture Flowsheets Through A Generalized Modeling Framework, Theodoros Damartzis, Athanasios Papadopoulos, Panos Seferlis
Sakis Papadopoulos
A generalized framework for the optimal design of post-combustion CO2 capture processes based on a systemic and flexible equilibrium separation model that employs orthogonal collocation on finite elements techniques is proposed. Within this context, a column section of adaptive separation capability and functionality serves as the fundamental structural block for the identification of efficient separation schemes. Separation column sections in combination with heat transfer blocks, as well as stream splitters and mixers enable the generation and evaluation of alternative flowsheet configurations within a nonlinear optimization program. The main objectives for the flowsheet evaluation involve separation and thermal efficiency that eventually …
Performance Investigation Of A Hybrid Renewable Power Generation And Storage System Using Systemic Power Management Models, Damianos Giaouris, Athanasios Papadopoulos, Chrysa Ziogou, Dimiptris Ipsakis, Spyors Voutetakis, Simira Papadopoulou, Panos Seferlis, Fotis Stergiopoulos, Costas Elmasides
Performance Investigation Of A Hybrid Renewable Power Generation And Storage System Using Systemic Power Management Models, Damianos Giaouris, Athanasios Papadopoulos, Chrysa Ziogou, Dimiptris Ipsakis, Spyors Voutetakis, Simira Papadopoulou, Panos Seferlis, Fotis Stergiopoulos, Costas Elmasides
Sakis Papadopoulos
Hybrid renewable power generation systems considering storage of energy and/or hydrogen involve considerable complexity as heterogeneous equipment need to be interconnected and activated or deactivated at different time instances. This work employs generic and flexible decision making models to develop complex power/hydrogen management strategies and investigate their performance on systems integrating multiple power generation and storage devices. These models significantly facilitate the analysis of both a standalone power generation and storage system forming a microgrid currently in operation as well as three interconnected microgrids of different functionalities considered in this work. These systems are used to investigate the performance of …