Modelling and performance analysis of an innovative CPVT, wind and biogas integrated comprehensive energy system: An energy and exergy approach. (1st April 2020)

• Record Type: Journal Article
• Authors: Bamisile, Olusola; Huang, Qi; Li, Jian; Dagbasi, Mustafa; Desire Kemena, Awoh; Abid, Muhammad; Hu, Weihao
• Is Part Of: Energy conversion and management. Volume 209(2020)
• Publication Date: 2020-04-01
• Subjects: Biogas -- CPVT -- Energy -- Exergy -- Hydrogen -- Wind Energy; A Area (m2) -- AC Alternating Current -- AM Air Mass (kW/m2) -- Cog Cogeneration -- COP Coefficient of Performance -- CPVT Concentrated Photovoltaic/Thermal -- D Diameter (m) -- DC Direct Current -- EES Engineering Equation Solver -- HEX Heat Exchanger -- HHV High Heating Value (kJ/kg) -- LHV Lower Heating Value (kJ/kg) -- m Mass flowrate (kg/s) -- MSF Multistage Flashing -- ORC Organic Rankine Cycle -- PCM Phase Change Material -- PEM Proton Exchange Membrane -- Pr Prandtl Number (m2/s) -- PTC Parabolic Trough Collector -- PV Photovoltaic -- RE Renewable Energy -- RES Renewable Energy Sources -- SEAC Single Effect Absorption Cycle -- S. EX Solution Heat Exchanger -- TES Thermal Energy Storage -- Tri Trigeneration; Direct energy conversion -- Periodicals; Energy storage -- Periodicals; Energy transfer -- Periodicals; Énergie -- Conversion directe -- Périodiques; Direct energy conversion; Periodicals; 621.3105
• DOI: 10.1016/j.enconman.2020.112611
• Languages: English
• ISSNs: 0196-8904

Abstract

Graphical abstract: Highlights: Energy and exergy analysis a CPVT and wind turbine integrated comprehensive system. Integration of biogas powered systems as a backup system and modelling based on four scenarios. Overall energy efficiency considering all the case studies, ranges from 64.91% to 71.06%. Also, overall exergy efficiency ranges from 31.80% to 53.81%. Maximum CO2 emission reduction in comparison to coal fired system is 2680.4 kg/h. Abstract: One of the challenges faced by renewable energy (RE) powered multigeneration system is the unavailability of RE resources at different times. In this research, a novel comprehensive energy system powered with wind turbines, concentrated photovoltaic/thermal and biogas is modelled and analyzed using energy and exergy approach. Multiple useful products such as electricity, hot air, hydrogen, fresh water, cooling effect and hot water will be produced by the system. Four different operational scenarios namely; CPVT/wind, wind/biogas, CPVT/biogas, and biogas only are considered for this comprehensive energy system. Thermal energy storage is incorporated with the system, in order to save thermal energy that will be used during hours without solar radiation. Furthermore, the CO2 emissions saved, in comparison with the use of different fossil fuel sources is analyzed. The maximum productions from the comprehensive system are: 3.4 MW of electricity; 12.41 L/sec of Hydrogen; 279.4 kW of cooling effect; 17.546 kg/s of hot air; 144.18 L/min of hot water and 10.31 L/min of fresh water. The overall energetic efficiency of the system considering all the case studies ranges from 64.91% to 71.06% while the exergetic efficiencies ranges from 31.80% to 53.81%. The CO2 emission analysis results show that the system is environmentally friendly.