Article
Thermodynamics
Ahmed G. Abo-Khalil, Khairy Sayed, Ali Radwan, Ibrahim I. A. El-Sharkawy
Summary: The UAE has favorable weather conditions for integrating renewable energies, especially photovoltaic solar energy, into the utility grid. It possesses one of the highest rates of solar radiation in the world, which contributes to reducing greenhouse gas emissions. This article discusses a study on controlling the variability of electricity production from solar energy and improving its integration for self-consumption. It covers topics such as energy storage, photovoltaic production, and optimizing the dimensioning of production systems. The research also examines the economic feasibility and profitability of this technology for a selected building.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Review
Engineering, Chemical
Xiang Sun, Anran Shang, Peng Wu, Tao Liu, Yanghui Li
Summary: CO2 marine geological sequestration is a crucial measure to reduce atmospheric CO2 levels and mitigate the harmful effects of global warming. Compared with traditional terrestrial geological sequestration, CO2 marine geological sequestration has greater potential, a safer distance from aquifers, and stable temperature and pressure conditions, making it safer and more efficient. This paper reviews and evaluates the main CO2 marine geological sequestration technologies and discusses their mechanisms, potential, challenges, and adverse effects on marine environments. The potential development trends in CO2 marine geological technology are also explored.
Article
Thermodynamics
Jaehyun Shim, Damdae Park, Hoon Taek Chung, Hyuncheol Ryu, Gobong Choi, Jong Min Lee
Summary: Micro-grid systems utilizing renewable energy sources have emerged as a viable solution for the global climate crisis. However, the uncertainty and variability of renewable energy sources make it challenging to build suitable systems. Through a techno-economic analysis of 13,488 regions, we explore the implications of climate on optimal micro-grid design and highlight the importance of considering climatic fluctuations in the design process.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Green & Sustainable Science & Technology
Majid Safaei-Farouji, Hung Vo Thanh, Zhenxue Dai, Abolfazl Mehbodniya, Mohammad Rahimi, Umar Ashraf, Ahmed E. Radwan
Summary: This study compares different machine learning models to improve the prediction of carbon storage performance in saline aquifers. The random forest (RF) model performs the best and can effectively evaluate the carbon trapping effectiveness. Sensitivity analysis identifies depth and post injection time as the most influential factors on residual and solubility trapping performance.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Thermodynamics
Praveen K. Cheekatamarla, Saiid Kassaee, Ahmad Abu-Heiba, Ayyoub M. Momen
Summary: Electrical energy storage systems are crucial for efficiently managing power supply infrastructure, and the GLIDES system, a novel energy storage system, demonstrates promising performance and cost-effectiveness in residential and commercial buildings.
Article
Green & Sustainable Science & Technology
T. M. Riayatsyah, T. A. Geumpana, I. M. Rizwanul Fattah, Samsul Rizal, T. M. Indra Mahlia
Summary: This study analyzed and optimized the techno-economic performance of solar PV, wind turbines, and battery packs for Syiah Kuala University. The results showed that by connecting solar PV and wind turbines to the grid, the renewable energy system can meet a large portion of the electricity demand.
Article
Green & Sustainable Science & Technology
Xiuyi Shi, Yingzhi Xu, Biying Dong, Nariaki Nishino
Summary: This paper studies the efficiency of mariculture carbon sequestration in China, finding that it has high carbon storage and flux with minor negative impact on the eco-environment. Mariculture carbon sequestration can achieve net-zero carbon emissions and sustainable development by combining environmental and economic values. The paper measures the MCSE in different coastal provincial-level regions of China and explores the socio-economic factors affecting it. It concludes with a summary of the advantages of China's mariculture carbon sequestration and proposes relevant policy implications.
SUSTAINABLE PRODUCTION AND CONSUMPTION
(2023)
Article
Engineering, Industrial
An Thi Hoai Le, Monty Sutrisna
Summary: This paper reports the developments of a project cost control system (PCCS) for construction projects to measure its current level of cost control maturity, examine the relationships between elements within PCCS processes, and identify improvement areas. The study adopts a mixed approach of descriptive analysis and PLS-SEM to measure the current maturity level of PCCS and evaluate the relationships between elements within PCCS to identify improvement areas. The findings reveal that post-control has the lowest maturity or weakest areas in the PCCS and suggest specific areas for improvement. Rating: 8/10
ENGINEERING CONSTRUCTION AND ARCHITECTURAL MANAGEMENT
(2023)
Article
Thermodynamics
Mohamad Cheayb, Mylene Marin Gallego, Mohand Tazerout, Sebastien Poncet
Summary: The study focuses on the economic aspect of T-CAES by coupling an economic model to the thermodynamic model to investigate and optimize design parameters, analyzing and discussing plant costs and economic benefits compared to electrochemical batteries. The optimal range of storage pressure and the impact of power scale on unit cost are key factors affecting the economic competitiveness of T-CAES.
Article
Environmental Sciences
Yakubu Abdul-Salam, Paola Ovando, Deborah Roberts
Summary: Agroforestry plays a potentially important role in addressing climate and biodiversity crises in agriculture. However, its uptake in the UK has been limited. Real Options techniques were used to explore factors influencing the decision to adopt agroforestry, showing that upfront support payments can increase the likelihood of adoption.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Energy & Fuels
Naresh Kumar Golla, Nagaraju Dharavat, Suresh Kumar Sudabattula, Suresh Velamuri, M. V. V. Prasad Kantipudi, Hossam Kotb, Mokhtar Shouran, Mohammed Alenezi
Summary: Electric vehicles (EVs) are a viable alternative to conventional vehicles due to their technical and environmental benefits. However, the rapid adoption of EVs can impact the distribution system (DS) due to the effects of charging and grid integration. Integrating distributed generators (DGs) into the DS can help offset the additional EV load, reducing power losses and improving voltage levels. This article proposes a smart charging model for EVs, estimating off-peak and peak load times and allocating charging and discharging based on constraints. Simulation results with an integrated EV charging station (EVCS) and DGs show the effective utilization of vehicle-to-grid (V2G) for stable DS operation.
FRONTIERS IN ENERGY RESEARCH
(2023)
Article
Chemistry, Physical
Mohammad Hossein Jahangir, Fatemeh Javanshir, Arash Kargarzadeh
Summary: The research explores the use of hydrogen only backup system and combined hydrogen/diesel backup system to replace the traditional diesel only backup system, aiming to reduce carbon emissions. Simulation results indicate that using hydrogen only backup system and combined backup system can increase the net present cost, but have a significant impact on reducing carbon emissions.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Thermodynamics
Niranjan Rao Deevela, Bhim Singh, Tara C. Kandpal
Summary: This paper presents the results of a HOMER-based techno-economic assessment of an electricity supply option using a hybrid system of PV, diesel generator, and the electricity grid. The study analyzes electricity unavailability data for 132 locations in India and estimates the net present cost and cost of electricity for 25 selected locations, comparing them with values for the conventional grid+DG system. The inclusion of PV results in lower NPC and CoE values for the proposed system at all locations.
Article
Environmental Sciences
Cuimei Lv, Huali Liao, Minhua Ling, Zening Wu, Denghua Yan
Summary: The urban water system connectivity (UWSC) project is an important part of urban ecosystem construction, and evaluating its eco-economic effects comprehensively is significant. This study analyzed the composition and mechanism of positive and negative effects of the UWSC project, and proposed a quantification method using emergy theory, providing reference for improving the composition system of eco-economic effects. The evaluation of the UWSC project in Xuchang showed significant economic and ecological effects, with economic effect accounting for 82.49% and ecological effect accounting for 15.89% of the total effect.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Thermodynamics
J. Jeslin Drusila Nesamalar, S. Suruthi, S. Charles Raja, Karthick Tamilarasu
Summary: The study investigates the techno-economic analysis of a Hybrid Energy System (HES) established at a college in India, examining its performance and feasibility under different dispatch strategies. The findings suggest that the on-grid HES system with LF dispatch is the optimal system design for the selected location.
ENERGY CONVERSION AND MANAGEMENT
(2021)