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    Thermodynamic modeling and optimization of cogeneration heat and power system using Evolutionary algorithm (Genetic Algorithm)

    , Article Proceedings of the ASME Turbo Expo, 14 June 2010 through 18 June 2010 ; Volume 3 , 2010 , Pages 745-752 ; 9780791843987 (ISBN) Ebrahimi, P ; Karrabi, H ; Ghadami, S ; Barzegar, H ; Rasoulipour, S ; Kebriyaie, M ; Sharif University of Technology
    A gas-turbine cogeneration system with a regenerative air preheater and a single-pressure exhaust gas boiler serves as an example for application of CHP Plant. This CHP plant which can provide 30 MW of electric power and 14kg/s saturated steam at 20 bars. The plant is comprised of a gas turbine, air compressor, combustion chamber, and air pre-heater as well as a heat recovery steam generator (HRSG). The design Parameters of the plant, were chosen as: compressor pressure ratio (rc), compressor isentropic efficiency (ηac), gas turbine isentropic efficiency (ηgt), combustion chamber inlet temperature (T3), and turbine inlet temperature (T4). In order to optimally find the design parameters a... 

    An interface–particle interaction approach for evaluation of the co-encapsulation efficiency of cells in a flow-focusing droplet generator

    , Article Sensors (Switzerland) ; Volume 20, Issue 13 , 2020 , Pages 1-17 Yaghoobi, M ; Saidi, M. S ; Ghadami, S ; Kashaninejad, N ; Sharif University of Technology
    MDPI AG  2020
    Droplet-based microfluidics offers significant advantages, such as high throughput and scalability, making platforms based on this technology ideal candidates for point-of-care (POC) testing and clinical diagnosis. However, the efficiency of co-encapsulation in droplets is suboptimal, limiting the applicability of such platforms for the biosensing applications. The homogeneity of the bioanalytes in the droplets is an unsolved problem. While there is extensive literature on the experimental setups and active methods used to increase the efficiency of such platforms, passive techniques have received less attention, and their fundamentals have not been fully explored. Here, we develop a novel...