Article
Green & Sustainable Science & Technology
Louay Elmorsy, Tatiana Morosuk, George Tsatsaronis
Summary: This paper provides a comparative analysis of exergy, economic, and exergoeconomic aspects for three solar thermal technologies. The study finds that configurations using Fresnel collectors have the highest exergetic efficiency, while those using a solar tower have the lowest efficiency. Sharing the power block of a combined-cycle plant significantly reduces the investment cost for concentrated solar power. Configurations with direct steam generation produce electricity at the lowest price.
Article
Multidisciplinary Sciences
Yunis Khan, Deepak Singh, Hakan Caliskan, Hiki Hong
Summary: In this study, a novel combined power cycle for solar power tower system is proposed and compared with the basic cycle. The optimized cycle shows improved thermal and exergy efficiency, as well as reduced electricity cost, making it superior to other existing systems.
Article
Thermodynamics
T. E. Boukelia, O. Arslan, A. Bouraoui
Summary: The combination of concentrating solar power and geothermal energy in power plants shows higher dispatch capacity and thermodynamic performance compared to traditional solar tower power plants, leading to increased electricity generation and reduced investment costs.
Article
Thermodynamics
Mohammad Zoghi, Hamed Habibi, Ata Chitsaz, Masood Shamsaiee
Summary: This study aims to utilize waste heat to improve energy, exergy efficiencies, and exergoeconomic performance, as well as to enhance heating and cooling production. Adding subsystems reduces payback period and environmental index but increases total cost rate. Parametric analysis shows a possible drop in thermodynamic performance but improvement in economic and environmental performance.
APPLIED THERMAL ENGINEERING
(2021)
Article
Thermodynamics
Simone Braccio, Phan Hai Trieu, Nicolas Tauveron, Nolwenn Le Pierres, Alessia Arteconi
Summary: In this paper, a low-temperature heat driven ammonia-water combined absorption cycle is studied from a thermodynamic and exergoeconomic point of view. The performance of a pilot plant with a partial admission turbine is analyzed and compared for different source temperatures. The study also evaluates the scale-up of the plant and carries out parametric studies on source temperatures and component sizes. An optimization is performed to minimize the unit cost of products, and the optimal cycle layout achieves a lower cost for both cooling and electricity production when considering thermal input cost.
ENERGY CONVERSION AND MANAGEMENT
(2023)
Article
Chemistry, Multidisciplinary
Ali Baghernejad, Amjad Anvari-Moghaddam
Summary: This study examines three different configurations of combined cycle systems and concludes that the selection of the best configuration depends on the preferences and criteria of decision makers. Parametric analysis is conducted by changing various parameters to study the effects on output work, exergy efficiency, exergy-economic and environmental parameters. The study also attempts to optimize the performance of combined cycle systems considering three objective functions of exergy efficiency, total cost rate, and exergy unit cost of produced electricity.
APPLIED SCIENCES-BASEL
(2021)
Article
Chemistry, Physical
Ziyi Lu, Hanfei Zhang, Liqiang Duan, Zhen Wang, Qiushi Wang, Andrea Baccioli, Umberto Desideri
Summary: The active use of fuel cells and solar energy can help reduce fossil energy consumption and improve the system's work capacity, which is crucial for achieving carbon neutrality. In this study, novel solid oxide fuel cell-integrated solar combined cycle systems with different solar integration modes were proposed and investigated. The results showed that when the system used trough solar collectors to replace part of the heating load, it achieved the highest exergy efficiency, lowest unit exergoeconomic cost, and lowest specific CO2 emission rate, leading to maximum energy efficiency and optimal economic benefits.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Environmental Studies
Hardik K. Jani, Surendra Singh Kachhwaha, Garlapati Nagababu, Alok Das, M. A. Ehyaei
Summary: This study proposes a multidimensional evaluation method to assess the performance of hybrid wind-solar energy systems. Using long-term data and mathematical modeling, the research finds that hybridization can improve the system's capacity factor, exergy efficiency, and extended exergy efficiency, while reducing power fluctuations and specific emissions.
ENERGY & ENVIRONMENT
(2023)
Article
Thermodynamics
Ramin Ghasemiasl, Mani Khalili Abhari, Mohammad Amin Javadi, Hossein Ghomashi
Summary: The study found that the multigeneration system using R141b as the operating fluid for the ORC is the most cost-effective for electricity generation and water supply, but also generates the highest pollution. On the other hand, the system using R600 as the operating fluid is the most environmentally friendly, but has the lowest electricity generation and highest production cost. Overall, the multigeneration system with R141b is the best option.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Environmental Studies
M. Nourpour, M. H. Khoshgoftar Manesh, A. Pirozfar, M. Delpisheh
Summary: This study investigates the integrated solar combined cycle system (ISCCS) located in Yazd, Iran, and analyzes its performance using various analysis tools. Through thermodynamic simulation and different analysis methods, the comprehensive performance of ISCCS is evaluated and optimized. The results show that ISCCS has high thermal efficiency and net power generation.
ENERGY & ENVIRONMENT
(2023)
Article
Thermodynamics
Sadegh Kahe, Atefeh Sharif, Fatemeh Joda, Akram Avami, Alireza Kianbakhsh
Summary: The present study analyzes the water-energy nexus in a combined cycle power plant using energy, exergy, economic, and environmental analyses. The injection of boiler blow-down into the condenser and the replacement of the evaporative cooler with the fogging system result in significant water and natural gas savings. The steam injection from the heat recovery boiler into the combustion chamber of the gas unit has both positive and negative impacts on the power plant's performance.
ENERGY CONVERSION AND MANAGEMENT
(2023)
Article
Environmental Sciences
Emmanuel Odeh, Ini Ikpe, Fidelis Abam
Summary: This paper presents an advanced analysis of the exergoenvironmental and thermo-sustainability of a 5-million ton capacity cement plant using real-time operational data. The analysis focuses on component-wise modeling and separates the exergy destruction into different parts for two production lines. The results show varying levels of exergy efficiency and exergoenvironmental factor for the different components, with potential for improvement identified in the study.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Thermodynamics
Ahmed Alghamdi, Joffin Jose Ponnore, Ahmed M. Hassan, Sultan Alqahtani, Sultan Alshehery, Ali E. Anqi
Summary: The research focuses on the exergetic and economic evaluation of a novel hybrid combined supercritical Brayton Cycle-Organic Rankine Cycle system using solar and biogas as energy sources. Sensitivity analyses were conducted to determine the impact of input characteristics on the system. The study concluded that combining solar PTC system with biogas as an energy source can effectively deliver the desired level of heat to the system.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Francesco Rovense, Miguel Angel Reyes-Belmonte, Manuel Romero, Jose Gonzalez-Aguilar
Summary: This study analyzes a 150 MW, multi-tower solar-only combined cycle power plant using olivine particles as heat transfer fluid and thermal energy storage medium. Unitary 53.0 MWth solar tower was designed to meet technical constraints. Thermo-economic optimization determined optimal layouts and storage capacities.
Article
Green & Sustainable Science & Technology
Parisa Ghorbani, Kamel Smida, Mohammd Mehdi Razzaghi, Mehdi Javaheran Yazd, S. Mohammad Sajadi, Seyed Amin Bagherzadeh, Mustafa Inc
Summary: This study models and analyzes the economic exergy of a 60 MW heat and power generation power plant in the Esfahan steel company. The findings suggest that optimizing the operating conditions, such as increasing the load ratio and adjusting the feedwater temperature and condenser pressure, can reduce energy/exergy loss.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Thermodynamics
R. Ghasemiasl, S. Hoseinzadeh, M. A. Javadi
JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER
(2018)
Article
Thermodynamics
M. A. Javadi, S. Hoseinzadeh, R. Ghasemiasl, P. S. Heyns, A. J. Chamkha
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2020)
Article
Engineering, Multidisciplinary
M. A. Javadi, S. Hoseinzadeh, M. Khalaji, R. Ghasemiasl
SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES
(2019)
Article
Green & Sustainable Science & Technology
Mohammad Amin Javadi, Mohammad Hossein Ahmadi, Mehdi Khalaji
ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
(2020)
Article
Thermodynamics
Ramin Ghasemiasl, Mohammad Amin Javadi, Morteza Nezamabadi, Mohsen Sharifpur
Summary: The research examined the optimal operation of a combined cycle power plant that generates water and electricity using parabolic solar collectors. Results showed that increasing desalination effects led to higher electricity generation costs and increased interest rates for freshwater production. This optimization improved exergy efficiency by 1.74%.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Article
Thermodynamics
Ramin Ghasemiasl, Mani Khalili Abhari, Mohammad Amin Javadi, Hossein Ghomashi
Summary: The study found that the multigeneration system using R141b as the operating fluid for the ORC is the most cost-effective for electricity generation and water supply, but also generates the highest pollution. On the other hand, the system using R600 as the operating fluid is the most environmentally friendly, but has the lowest electricity generation and highest production cost. Overall, the multigeneration system with R141b is the best option.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Green & Sustainable Science & Technology
Mohammad Amin Javadi, Mani Khalili Abhari, Ramin Ghasemiasl, Hossein Ghomashi
Summary: A multigeneration system combining a double-flash geothermal power plant, solar power tower, and other components is presented, capable of producing electricity, hydrogen, heating, and cooling. By reducing the flow rate of geothermal fluid, the proposed system can improve efficiency and reduce extraction from the geothermal source.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Mathematics
Khosrow Hemmatpour, Ramin Ghasemiasl, Mehrdad Malekzadeh Dirin, Mohammad Amin Javadi
Summary: In this study, a cogeneration cycle in a time-transient state is investigated and optimized. The cycle is analyzed in terms of energy, exergy, and economic and environmental aspects. Two optimization objectives are selected: increasing the net present value and reducing exergy destruction. The particle swarm optimization method is used to optimize the cycle, resulting in improvements in energy and exergy efficiency, as well as a reduction in exergy destruction.
Article
Green & Sustainable Science & Technology
M. A. Javadi, H. Ghomashi, M. Taherinezhad, M. Nazarahari, R. Ghasemias
Summary: An optimal arrangement of turbines in wind farms is crucial for maximizing energy output at the lowest cost. In a study comparing genetic and Monte Carlo algorithms for turbine placement, it was found that the Monte Carlo method outperforms the genetic algorithm in terms of turbine quantity and output power. The results showed that the Monte Carlo algorithm provides a more efficient optimization with a 16% lower fitness value compared to the genetic algorithm.
RENEWABLE ENERGY RESEARCH AND APPLICATIONS
(2021)
Article
Engineering, Chemical
Mohammad Amin Javadi, Mehdi Khalaji, Ramin Ghasemiasl
DESALINATION AND WATER TREATMENT
(2020)
Article
Engineering, Chemical
S. Hoseinzadeh, R. Ghasemiasl, M. A. Javadi, P. S. Heyns
DESALINATION AND WATER TREATMENT
(2020)
Article
Engineering, Multidisciplinary
R. Ghasemiasl, R. Ostadhossein, M. A. Javadi, S. Hoseinzadeh
INTERNATIONAL JOURNAL OF ENGINEERING
(2018)