Chemically Recuperated Gas Turbines for Offshore Platform: Energy and Environmental Performance

Bazaluk, Oleg; Havrysh, Valerii; Cherednichenko, Oleksandr; Ніценко, Віталій

doi:10.3390/su132212566

Cited by 4 publications

(7 citation statements)

References 75 publications

(83 reference statements)

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“…The research method is based on an improved method for studying the process of freezing juicy food products, such as sliced vegetables, berries, or fruits [ 15 , 16 , 17 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 ]. Two-stage freezing was used with the formation of a frozen layer (ice crust), which prevented the possible sticking of vegetable cubes when the internal moisture passed to the crystalline structure.…”

Section: The Basic Part Of the Studymentioning

confidence: 99%

Ways to Improve the Efficiency of Devices for Freezing of Small Products

et al. 2022

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It has been established that one of the main problems in the technology of the production of loose food products is the sticking of vegetables or fruits into one block. It has been proven that one of the steps to solve this problem is the use of berries, fruits, or vegetables during freezing in the form of a fluidized bed in air. However, a significant part of the energy is spent precisely when creating a fluidized bed with the help of fans. By improving the separation efficiency of small products in the freezing process, it would be possible to significantly reduce the energy costs of freezing worldwide. The purpose of this work was to determine ways to increase the efficiency of devices for freezing small products. The goal was achieved through the use of a modified method for studying energy costs, taking into account energy costs for fluidization and mechanical shaking. For comparison, two options for the efficient separation of small products during freezing were considered. Namely the separation of small products in the process of freezing with the help of fluidization, and with the help of mechanical shaking. Comparison of these variants showed that it was advisable to separate small products during freezing by mechanical shaking. It was established that their energy parameters, as well as fractional properties, are significantly different. The product temperature was determined for the case of a constant temperature of the cooling air and equipment elements. The results obtained confirmed the possibility of achieving significant energy savings of 1.5–3.5 times by using the mechanized device we proposed for freezing fruits and vegetables. The main result of this paper is the proposed method, or algorithm, for calculating energy costs for fluidization and mechanical shaking, which could be used in the design of devices for the freezing of small products; as well as the obtained data confirming the correspondence of the theoretical calculations to reality. The novelty of the research consists in presenting a model or algorithm for calculating the energy costs for fluidization and mechanical shaking. The importance of the results of the work lies in the possibility of using this technique to assess the energy effectiveness of devices for the freezing of small products.

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Section: The Basic Part Of the Studymentioning

confidence: 99%

Ways to Improve the Efficiency of Devices for Freezing of Small Products

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“…In this context, it is interesting to mention the study [18], which proposed a comprehensive approach to energy balance planning, implementation of modeling a holistic system of technological, political, economic and other factors. The model uses the methodology of integrated estimation, in particular the multiplicative form of the integrated index.…”

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confidence: 99%

“…Peculiarities of energy effi ciency policy in the context of economic security for the formation of Ukraine's sustainable development economy are analyzed in [18]. The authors of the article consider the crisis not as a decline, but as an incentive for the formation of a sustainable economy of the future [19].…”

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confidence: 99%

“…As a practical example of data formation for the MCDA method, a comparison of Mtoe, i. e. "Coverage of domestic energy needs at the expense of domestic production" (Table ) and groups of indicators [18].…”

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confidence: 99%

“…To analyze the relationship between groups of indicators of sustainable development (Fig. 2) and the balance values of energy consumption and energy production (Table ) data from the National Statistics Service were used and a systematic approach to indicative representation was provided in the scientifi c work [18].…”

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Sustainable development of the economy in the conditions of the energy crisis

Штундер¹,

Кушнір²,

Perevozova³

et al. 2022

Nauk. visn. nat. hirn. univ.

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Purpose. To establish the factors of the impact of the energy crisis on the formation of a sustainable economy. To propose a method for forecasting the balance of energy production and consumption. To establish the level of correlation between sustainable development indicators and energy indicators. Methodology. Cognition methods were used to perform the work: analysis and synthesis to choose the topic and purpose of the study; content analysis for literature review; critical analysis to identify unsolved aspects of the problem and national characteristics of the crisis; the ascent from the abstract to the concrete to prove the relationship between the energy crisis and achievement of the sustainable development goals (SDG); system analysis to substantiate the need for energy balance and import substitution of energy resources; induction and deduction for the selection of SDGs, which are affected by the energy crisis and energy balance forecasting models, establishing the level of correlation with SDG indicators; idealization and formalization to identify factors inhibiting the formation of a sustainable economy. Findings. It is established that in addition to the global factors of the energy crisis, national economies have their own factors influencing the pace of achieving the SDG. The main reasons for the gap between energy production and consumption and trends in import substitution in the energy sector are indicated. The presence of direct and reverse effects of energy development and sustainable development is proved. It is established that the solution to the problem of sustainable economic development is to systematically ensure the dynamic balance of production and consumption of energy, and import substitution of energy resources. Originality. The reasons for reducing the level of relevance of forecasting and energy plan required to achieve the SDG are identified. There is a significant level of correlation between the Mtoe indicator and groups of SDG indicators and the fact that indicator of relative fluctuations as for average Mtoe is an integral indicator of the SDG achievement. Practical value. The MCDA method and a quantitative approach to its implementation are proposed to forecast energy consumption and to model sustainable development scenarios.

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Advancing Offshore Oil and Gas Facilities: A Comprehensive Review of Innovative Maintenance Strategies for Enhanced Reliability and Efficiency

Osheyor Gidiagba,

Daraojimba,

Ayo Ogunjobi

et al. 2023

Econ.grwth.environ.sust

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The offshore oil and gas industry plays a crucial role in meeting global energy demands by providing reliable and efficient operations for offshore facilities. This comprehensive review explores various innovative maintenance strategies aimed at enhancing reliability and efficiency in the industry. The article emphasizes the significance of maintenance for offshore operations and delves into different innovative strategies. Condition-Based Maintenance (CBM) techniques enable proactive monitoring of equipment health, optimizing maintenance schedules, and reducing unscheduled downtime. Predictive maintenance, powered by data analytics and machine learning, allows for the prediction of potential failures and prioritization of maintenance activities. Prognostics and Health Management (PHM) systems facilitate early fault detection and preventive actions, enhancing asset reliability. Reliability-Centered Maintenance (RCM) approaches focus maintenance efforts on critical assets, ensuring efficient resource allocation. The integration of robotics and automation revolutionizes inspection, repair, and maintenance activities, reducing human intervention and enhancing safety. Digital twins, virtual replicas of physical assets, enable simulation and optimization of maintenance processes. Despite the immense potential of these innovative maintenance strategies, implementation faces challenges such as technological complexity, economic considerations, and regulatory compliance. Looking ahead, the industry’s focus on sustainability and the global energy transition will drive maintenance practices that minimize environmental impact. Renewable energy integration, emission reduction efforts, and sustainable asset lifecycle management will shape future maintenance approaches. Embracing digital transformation and investing in workforce training are crucial for unlocking the full potential of innovative maintenance strategies. In conclusion, this comprehensive review highlights the diverse landscape of innovative maintenance strategies available to offshore oil and gas facilities. By embracing these transformative approaches, operators can elevate reliability, efficiency, and safety, ensuring sustainable operations amid dynamic industry demands.

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Chemically Recuperated Gas Turbines for Offshore Platform: Energy and Environmental Performance

Cited by 4 publications

References 75 publications

Ways to Improve the Efficiency of Devices for Freezing of Small Products

Ways to Improve the Efficiency of Devices for Freezing of Small Products

Sustainable development of the economy in the conditions of the energy crisis

Advancing Offshore Oil and Gas Facilities: A Comprehensive Review of Innovative Maintenance Strategies for Enhanced Reliability and Efficiency

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