Development of a Renewable Energy System Utilizing Solar Dish Collector, Multi Effect Desalination and Supercritical CO2 Brayton Cycle to Produce Fresh Water and Electricity

Energy, Journal Year: 2024, Volume and Issue: unknown, P. 134285 - 134285

Published: Dec. 1, 2024

Language: Английский

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In-depth exergoeconomic analysis and optimization of a solar-wind hybrid trigeneration system for green hydrogen, power, and cooling

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Language: Английский

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In-depth analysis of an inclined solar desalination plant for optimal orientation by the conventional systems modification: toward low-carbon emission and sustainability

International Journal of Low-Carbon Technologies, Journal Year: 2025, Volume and Issue: 20, P. 269 - 278

Published: Jan. 1, 2025

Abstract This study examines the use of computational fluid dynamics to analyze and simulate 3D modeling a solar desalination plant with single slope design. It aims optimize large-scale by investigating factors like glass cover angle fin placement. Results show that 15° produced most freshwater (0.2957 kg/m2·h), while 60° decreased production 8.63%. Adding fins increased 53.32% improved heat transfer efficiency. These findings contribute developing an optimized model enhance efficiency, reduce energy consumption, lower carbon emissions.

Language: Английский

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Thermal analysis of smartening a central heating unit for a small-scale network; characteristic, comparisons and impacts

International Journal of Low-Carbon Technologies, Journal Year: 2024, Volume and Issue: 19, P. 2512 - 2521

Published: Jan. 1, 2024

Abstract Central heating units (CHUs) significantly influence energy consumption and air quality in developing countries. Key challenges infrastructure enhancement include the prevalent use of outdated technologies high costs involved upgrading them. In Tehran, Iran, advancements have been made by incorporating intelligent systems into local domestic engine rooms, through control subsystems based on thermodynamic modeling. These subsystems, which temperature, control, central processing networks, improved system's efficiency environmental impact. A notable feature this project is integration advanced thermal management thermostats development specialized algorithms to optimize combustion. Results from numerical studies indicate that these CHU can cut CO emissions as much 78% reduce fuel up 30%. Thus, investing adaptable Combined Heat Power (CHP) within communities a viable, eco-friendly strategy promises greater reliability, reduced use, better outcomes.

Language: Английский

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Comprehensive technical evaluation and optimization of a carbon-neutral biomass-based power system integrating supercritical CO2 combustion and CO2 liquefaction with hydrogen production

International Journal of Low-Carbon Technologies, Journal Year: 2024, Volume and Issue: 20, P. 303 - 314

Published: Dec. 6, 2024

Abstract The increasing reliance on fossil fuels poses critical challenges for energy systems. A novel power generation system integrating electricity/hydrogen production, oxy-fuel combustion, and CO2 liquefaction is evaluated through technical analysis multi-objective optimization. Further, biomass-derived syngas powers the system, while a solid oxide electrolyzer (SOE) converts surplus into hydrogen, enhancing flexibility efficiency. reduces levelized cost of electricity, contributing to economic feasibility. In addition, achieves optimized results with $0.37/kWh $4.9 million in cash flow, demonstrating its potential as an efficient, sustainable solution 5.4% reduction power.

Language: Английский

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Multiaspect analysis and optimization of a power and cooling cogeneration plant integrated with a multilevel waste heat recovery system

International Journal of Low-Carbon Technologies, Journal Year: 2024, Volume and Issue: 19, P. 1801 - 1813

Published: Jan. 1, 2024

Abstract This study focuses on the development and improvement of a new combined power cooling system called power-cooling cogeneration (PCCS). The PCCS incorporates tri-tier waste heat recovery that includes an organic Rankine cycle (ORC) ejector-driven refrigeration mechanism. design thorough assessment thermodynamic efficiency, cost-efficiency, environmental consequences. A dual-objective optimization technique is developed to decrease expenses while simultaneously improving exergy efficiency. In addition, complex behavior compared standard uses one-stage recovery-ORC compressor-based approach. Also, effectiveness was evaluated through utilization several environmentally friendly refrigerants. Environmental evaluations employ two metrics: total equivalent-warming impact (TE-WI) life cycle-climate performance (LC-CP), emphasizing substantial reductions in harm improved recovery. results demonstrate R1234-yf refrigerant achieves best possible both configurations, resulting significant increase roughly 10.1% exergetic efficiency system. Simultaneously, experiences loss annual costs around 7.25% 21.16%, respectively, as baseline. Incorporating ejector into has potential reduce carbon dioxide emissions by up 11.41 × 106 kg.

Language: Английский

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Economic and Environmental Analyses of an Integrated Power and Hydrogen Production Systems Based on Solar Thermal Energy

Energies, Journal Year: 2024, Volume and Issue: 17(17), P. 4264 - 4264

Published: Aug. 26, 2024

This study introduces a novel hybrid solar–biomass cogeneration power plant that efficiently produces heat, electricity, carbon dioxide, and hydrogen using concentrated solar syngas from cotton stalk biomass. Detailed exergy-based thermodynamic, economic, environmental analyses demonstrate the optimized system achieves an exergy efficiency of 48.67% exergoeconomic factor 80.65% 51.5 MW 23.3 8334.4 kg/h 87,156.4 The explores four scenarios for green production pathways, including chemical looping reforming supercritical water gasification, highlighting significant improvements in levelized costs impact compared with other solar-based systems. Systems 2 3 exhibit superior performance, electricity (LCOE) 49.2 USD/MWh 55.4 (LCOH) between 10.7 19.5 USD/MWh. exergoenvironmental ranges 66.2% to 73.9%, rate 5.4–7.1 Pts/MWh. Despite high irreversibility challenges, integration energy significantly enhances system’s making it promising alternative as fossil fuel reserves decline. To improve competitiveness, addressing process cost reduction concentrators receivers is crucial.

Language: Английский

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Thermoeconomic, environmental and uncertainty assessments and optimization of a novel large-scale/low carbon hydrogen liquefaction plant integrated with liquefied natural gas cold energy

International Journal of Low-Carbon Technologies, Journal Year: 2024, Volume and Issue: 19, P. 1740 - 1753

Published: Jan. 1, 2024

Abstract Presently, the liquefaction of hydrogen represents a promising solution to alleviate challenges associated with its storage and transportation. It is crucial formulate methodological frameworks for scrutinizing routes enhance energy efficiency. This paper endeavors establish, assess feasibility, refine novel approach high-capacity facility, leveraging cold from liquefied natural gas (LNG). new route utilizes four hybrid refrigeration systems, each designed handle 50 × 103 kg daily. Significant savings are achievable through primary utilization LNG’s in precooling stage generation electrical power during vaporization phase. The architecture this crafted around principles conservation, incorporating thermodynamic assessments alongside economic environmental viability studies. Furthermore, performance innovative method thoroughly evaluated across both non-optimized optimized scenarios. Advanced techniques such as composite curve uncertainty analyses employed provide detailed examination heat cascades cost differentials. findings indicate that managing refining route, potentially reducing specific requirement optimum by 27.4% compared non-optimum counterpart. Moreover, scenario, there decrease ~4.72% unit production expenses, 26.26% CO2 emissions, 21.85% usage avoided emissions.

Language: Английский

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Boosting energy markets in grid with a focus on battery storage, including flexible loads and electric vehicles, via a two-stage optimization framework

International Journal of Low-Carbon Technologies, Journal Year: 2024, Volume and Issue: 19, P. 2604 - 2618

Published: Jan. 1, 2024

Abstract This paper introduces a detailed dual-level structure designed for the efficient organization of energy and supportive service markets throughout transport delivery systems. The framework delineates at first level services second. Traditional thermal units serve as providers spinning reserve market, while rapid response generators, storage systems, electric vehicles, demand aggregators supply capacity adjustments. Simulations applied to 30-bus transmission network linked four 8-bus distribution networks show that integrating resources in market reduces reliance on by 22%, decreasing daily operational costs approximately 15%. Furthermore, including aggregators, vehicles regulation improves voltage profiles 7%. is constructed linear optimization model simulated using CPLEX solver GAMS software.

Language: Английский

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Optimizing energy hubs with a focus on ice energy storage: a strategic approach for managing cooling, thermal, and electrical loads via an advanced slime mold algorithm

International Journal of Low-Carbon Technologies, Journal Year: 2024, Volume and Issue: 19, P. 2568 - 2579

Published: Jan. 1, 2024

Abstract Amidst the increasing incorporation of multicarrier energy systems in industrial sector, this article presents a detailed stochastic methodology for optimal operation and daily planning an integrated system that includes renewable sources, adaptive cooling, heating, electrical loads, along with ice storage capabilities. To address problem, it applies 2 m + 1 point estimation method to accurately assess uncertainties while minimizing computational complexity. The “2 point” technique swiftly evaluates unpredictability through Taylor series calculations, capturing deviations green output, demand both electric thermal across power networks, also considering oscillating costs associated senior transmission systems. In addition, proposes novel self-adaptive optimization technique, called enhanced mucilaginous fungus algorithm (SMSMA), dedicated overcoming intricate nonlinear challenges inherent system. advanced strategy relies on wavelet theory enhance capability effectiveness original optimizing schedules Numerical analyses demonstrate introduced scheduling framework, coupled SMSMA algorithm, effectively reduces operating

Language: Английский

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