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Journal articles on the topic 'Thermoeconomic calculation'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Uysal, Cuneyt, and Ho-Young Kwak. "Role of Waste Cost in Thermoeconomic Analysis." Entropy 22, no. 3 (2020): 289. http://dx.doi.org/10.3390/e22030289.

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Power plants or thermal systems wherein products such as electricity and steam are generated affect the natural environment, as well as human society, through the discharging of wastes. The wastes from such plants may include ashes, flue gases, and hot water streams. The waste cost is of primary importance in plant operation and industrial ecology. Therefore, an appropriate approach for including waste cost in a thermoeconomic analysis is essential. In this study, a method to take waste cost into account in thermoeconomics to determine the production cost of products via thermoeconomic analysi

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2

Liu, Sha, Jiong Shen, Junli Zhang, and Xiao Wu. "Thermoeconomic simulation of a complex energy system for performance analysis and prediction in deep peak shaving." Thermal Science, no. 00 (2024): 232. http://dx.doi.org/10.2298/tsci240417232l.

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The establishment of a cost model for complex energy systems based on thermoeconomics can provide technical and economic evaluation indicators for complex energy systems. At the same time, to integrate more renewable energy into the grid, complex energy systems must participate in deep peak shaving. To evaluate the technical-economic performance of complex energy systems involved in deep peak shaving, a novel thermoeconomic cost construction method is proposed based on the production structure diagram, using the gas-steam combined cycle system as an example. these can effectively avoid the der

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3

Gonçalves, L. P., and F. R. P. Arrieta. "AN EXERGY COST ANALYSIS OF A COGENERATION PLANT." Revista de Engenharia Térmica 9, no. 1-2 (2010): 28. http://dx.doi.org/10.5380/reterm.v9i1-2.61927.

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The exergy analysis, including the calculation of the unit exergetic cost of all flows of the cogeneration plant, was the main purpose of the thermoeconomic analysis of the STAG (STeam And Gas) combined cycle CHP (Combined Heat and Power) plant. The combined cycle cogeneration plant is composed of a GE10 gas turbine (11250 kW) coupled with a HRSG (Heat Recovery Steam Generator) and a condensing extraction steam turbine. The GateCycleTM Software was used for the modeling and simulation of the combined cycle CHP plant thermal scheme, and calculation of the thermodynamic properties of each flow (

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4

Cheng, Wei Liang, and Hui Ji. "Thermoeconomic Optimization of a 1000MW Coal-Fired Unit." Advanced Materials Research 875-877 (February 2014): 1744–47. http://dx.doi.org/10.4028/www.scientific.net/amr.875-877.1744.

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In order to decrease the operation cost of a power plant, a 1000MW coal-fired power plant is studied as the research objective, and an evaluation model about unit thermoeconomic cost is built based on the thermoeconomic theory. By using the Matlab calculation tool, the thermoeconomic optimization of the energy system about the plant is presented. The results show that it is necessary to update the correlated equipment to increase its exergy efficiency in the design of the entry unit. Moreover, the exergy efficiency of the boiler is close to the optimum value, as for the steam turbine, its effi

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5

Lazzaretto, A., and A. Macor. "Direct Calculation of Average and Marginal Costs From the Productive Structure of an Energy System." Journal of Energy Resources Technology 117, no. 3 (1995): 171–78. http://dx.doi.org/10.1115/1.2835337.

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Most of the thermoeconomic accounting and optimization methods for energy systems are based upon a definition of the productive purpose for each component. On the basis of this definition, a productive structure of the system can be defined in which the interactions among the components are described by their fuel product. The aim of this work is to calculate marginal and average unit costs of the exergy flows starting from their definitions by a direct inspection of the productive structure. As a main result, it is noticed that the only differences between marginal and average unit cost equat

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6

Prol-Godoy, Irati, Roberto Santana, Francisco-Javier Rey-Martinez, and Ana Picallo-Perez. "Proposal for an Intelligent Methodology to Manage Energy in Buildings and Detect Anomalies as a Compass Towards Zero Energy Buildings (ZEB)." Applied Sciences 14, no. 23 (2024): 10918. http://dx.doi.org/10.3390/app142310918.

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This work aims to advance the optimisation of the efficiency of thermal installations in buildings, contributing to the achievement of Zero Energy Buildings (ZEB) in the context of maintenance and operation. This is achieved through an innovative proposal that merges machine learning techniques with thermoeconomics to perform diagnoses in building thermal systems and identify cost overruns generated by intrinsic anomalies in the components and quantify their induced effects on the rest of the components. To date, the few contributions combining these techniques have been limited to industrial

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7

Mingaleeva, Guzel, Olga Afanaseva, Duc Toan Nguen, Dang Nayt Pham, and Pietro Zunino. "The Integration of Hybrid Mini Thermal Power Plants into the Energy Complex of the Republic of Vietnam." Energies 13, no. 21 (2020): 5848. http://dx.doi.org/10.3390/en13215848.

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The article describes a method of integrating small distributed generation components in the power system of the Republic of Vietnam. The features of the energy system of Vietnam and the technologies used for mini thermal power plants are considered. The classification of small distributed generation components is presented with implantation of the most used resources of Vietnam—fossil and renewable. A generalized methodology for selection and calculation of technological schemes for mini thermal power plants is considered. The schemes of steam-turbine mini thermal power plants operating with

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8

Serhii, Sharapov, Husiev Danylo, Panchenko Vitalii, Kozin Viktor, and Baha Vadym. "Analysis of the possibility of using R718 for a heat pump of a heating system based on a liquid-vapor ejector." Eastern-European Journal of Enterprise Technologies 6, no. 8 (108) (2020): 39–44. https://doi.org/10.15587/1729-4061.2020.217274.

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The study explores the possibility of using water (R718) as a refrigerant for a heat pump installation of a heating system. This unit is a vapor compression heat pump with a regenerative heat exchanger in which the vacuum unit based on a liquid-vapor ejector is used instead of a scroll refrigeration compressor. The working process of such an apparatus is based on implementing a fundamentally new cycle that does not require the supply of working steam from the outside. Instead, steam is generated inside the vacuum unit. The article describes the proposed installation and its differences from th

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9

Sharapov, Serhii, Sviatoslav Yevtushenko, Vitalii Panchenko, Viktor Kozin, and Oleksandr Ivchenko. "Improving the efficiency of condensation installations of steam turbines by applying liquid-vapor ejector." Eastern-European Journal of Enterprise Technologies 4, no. 8 (118) (2022): 44–51. http://dx.doi.org/10.15587/1729-4061.2022.263331.

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This paper considers the possibility of using liquid-vapor ejectors in condensing units of steam turbines. This unit is designed for pumping out a steam-air mixture from a steam turbine condenser, in which the process occurs at a pressure lower than atmospheric. In the traditional scheme, this is provided by a two-stage steam-jet ejector unit. The proposed scheme involves the use of a single-stage liquid-vapor ejector and its possible pre-vacuum mode of operation in conjunction with a liquid-ring vacuum pump. A working process of the liquid-vapor ejector does not require the supply of working

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10

Serhii, Sharapov, Yevtushenko Sviatoslav, Panchenko Vitalii, Kozin Viktor, and Ivchenko Oleksandr. "Improving the efficiency of condensation installations of steam turbines by applying liquid-vapor ejector." Eastern-European Journal of Enterprise Technologies 4, no. 8 (118) (2022): 44–51. https://doi.org/10.15587/1729-4061.2022.263331.

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This paper considers the possibility of using liquid-vapor ejectors in condensing units of steam turbines. This unit is designed for pumping out a steam-air mixture from a steam turbine condenser, in which the process occurs at a pressure lower than atmospheric. In the traditional scheme, this is provided by a two-stage steam-jet ejector unit. The proposed scheme involves the use of a single-stage liquid-vapor ejector and its possible pre-vacuum mode of operation in conjunction with a liquid-ring vacuum pump. A working process of the liquid-vapor ejector does not require the supply of working

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11

Calise, Francesco, Francesco Liberato Cappiello, Luca Cimmino, Marialuisa Napolitano, and Maria Vicidomini. "Dynamic Simulation and Thermoeconomic Analysis of a Novel Hybrid Solar System for Biomethane Production by the Organic Fraction of Municipal Wastes." Energies 16, no. 6 (2023): 2716. http://dx.doi.org/10.3390/en16062716.

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The anaerobic digestion of the organic fraction of municipal solid waste and the biogas production obtained from its stabilization are becoming an increasingly attractive solution, due to their beneficial effects on the environment. In this way, the waste is considered a resource allowing a reduction in the quantity of it going to landfills and the derived greenhouse gas emissions. Simultaneously, the upgrading process of biogas into biomethane can address the issues dealing with decarbonization of the transport. In this work, the production of biogas obtained from the organic fraction of muni

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12

Liu, Sha, and Pei Hong Wang. "Calculation Model of Exergy Cost Based on Thermoeconomics Structure Theory and Thermoeconomics Accounting Mode." Applied Mechanics and Materials 313-314 (March 2013): 1148–52. http://dx.doi.org/10.4028/www.scientific.net/amm.313-314.1148.

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Thermoeconomics combines the thermodynamic analysis and economics evaluation, and simultaneously considers the thermodynamics and economics effect of the process of energy conversion in power plant. It becomes the focus of research. This paper mainly discusses the establishment method of the exergy cost equation in thermoeconomics structure theory, at the same time this method also combines with thermoeconomics accounting theory. Through the research, this paper presents a clear, simple, utility exergy cost equation established method. Compared with the chain differential principle, this metho

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13

Fernández Ramírez, Juan Sebastian. "Thermoeconomics as Support for Strategic Accounting." Current Trends in Engineering Science (CTES) 3, no. 3 (2023): 1–3. http://dx.doi.org/10.54026/ctes/1030.

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The objective of this reflection article is to demonstrate the applicability of the concept of thermoeconomics as support for strategic management accounting in the chemical industry. The concept of thermoeconomics is described, as well as its applications on energy performance and production process costs. The concept of strategic accounting is also described, and an illustrative example is provided to relate the two concepts and demonstrate that thermoeconomics could be a functional tool in calculating strategic costs for generating competitive advantages in the chemical sector.

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14

Pratama, Muhammad Pashya Rifky, Teguh Utomo, and Unggul Wibawa. "Analysis of thermal efficiency in Star Energy Gothermal Darajat." Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems) 17, no. 3 (2023): 89–93. http://dx.doi.org/10.21776/jeeccis.v17i3.1662.

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After years of operation, the plant will no longer operate optimally according to its design. The practice of the work cycle shows that the original value of thermal efficiency will always be below 100%, this is because during the cycle process of creating work, the energy received by the system by heat transfer will not be fully received and will be absorbed by the environment. In this research, thermal efficiency analysis was carried out in accordance with the first and second laws of thermodynamic efficiency and thermoeconomic calculations to calculate losses. Based on calculations that hav

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15

Jassim, R. K., and A. A. K. Mohammed Ali. "Computer simulation of thermoeconomic optimization of periodic-flow heat exchangers." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 217, no. 5 (2003): 559–70. http://dx.doi.org/10.1243/095765003322407601.

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A computer simulation of heat transfer by the finite difference technique is presented for calculating the fluid and matrix temperature distributions and their effect on periodic-flow heat exchanger performance. The governing differential equations have been formulated in terms of characteristic dimensionless groups. In order both to secure a high degree of accuracy of the results and to save computational time, three modifications have been made to evaluate the finite difference mesh size for regenerator length, hot period and cold period. The geometry of the matrix of a periodic-flow heat ex

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16

Balli, Ozgur, Alper Dalkıran, and Tahir Hikmet Karakoç. "Energetic, exergetic, exergoeconomic, environmental (4E) and sustainability performances of an unmanned aerial vehicle micro turbojet engine." Aircraft Engineering and Aerospace Technology 93, no. 7 (2021): 1254–75. http://dx.doi.org/10.1108/aeat-03-2021-0088.

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Purpose This study aims to investigate the aviation, energetic, exergetic, environmental, sustainability and exergoeconomic performances of a micro turbojet engine used in unmanned aerial vehicles at four different modes. Design/methodology/approach The engine data were collected from engine test cell. The engine performance calculations were performed for four different operation modes. Findings According to the results, maximum energy and exergy efficiency were acquired as 19.19% and 18.079% at Mode 4. Total cost rate was calculated as 6.757 $/h at Mode-1, which varied to 10.131 $/h at Mode-

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17

Jassim, Rahim K. "Evaluation of Combined Heat and Mass Transfer Effect on the Thermoeconomic Optimization of an Air-Conditioning Rotary Regenerator." Journal of Heat Transfer 125, no. 4 (2003): 724–33. http://dx.doi.org/10.1115/1.1589504.

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The purpose of this paper is to demonstrate the importance of the use of the exergy analysis in the optimization of the geometry of a periodic-flow regenerator. The optimum geometry of the regenerator is determined using the unit cost of exergy of the warm air delivered as the objective function. The running cost is determined using different unit costs for the pressure component of exergy E˙ΔP and the thermal component of exergy E˙ΔT, which are evaluated separately. The ratio of the two unit costs has been calculated for an air-conditioning application in which the regenerator is used. A math

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18

Malik, F. Elmzughi, I. Dekam Elhadi, G. Almuzwghi Ali, and Seddig Khaled. "Exergoeconomic analysis and parametric investigation of a gas turbine power plant." i-manager's Journal on Power Systems Engineering 10, no. 1 (2022): 1. http://dx.doi.org/10.26634/jps.10.1.18827.

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Thermoeconomic models, combining the concept of cost in economics and the concept of exergy in thermodynamics, provide the ability to optimize complex power generation systems to achieve the best balance between thermodynamic efficiency and economic cost. In this paper, a parametric analysis was carried out based on the method of calculating the unit exergy cost, as well as exergo-economic studies and cost sensitivity studies on the exergy of the cycle of a gas turbine power plant. The mathematical models of mass, energy, effort, and economy were created and presented. Thermodynamic properties

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19

Yılmaz, Ceyhun. "COMPARISON OF THERMOECONOMIC COST CALCULATION FOR A BINARY GEOTHERMAL POWER PLANT." Journal of Thermal Engineering, June 29, 2018, 2355–70. http://dx.doi.org/10.18186/thermal.439073.

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20

Anarbaev, Anvar, and Mekhriya Koroli. "Exergy optimization of parameters of a heat pump heating system." November 4, 2024. https://doi.org/10.5281/zenodo.14032812.

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<strong>Relevance: </strong>due to the fact that our country does not have its own production of heat pumps that meet modern world requirements, the Uzbek market offers products from foreign companies that produce similar equipment. At the same time, today the production of heat pumps in the world is subordinated, first of all, to the specific interests of the manufacturing countries (this refers not only to climatic features, but also to the level of applied construction technologies, architectural, planning and engineering solutions, the level of technology in the production of heat pump equ

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21

Szega, Marcin, and Piotr Żymełka. "Thermodynamic and Economic Analysis of the Production of Electricity, Heat, and Cold in the Combined Heat and Power Unit With the Absorption Chillers." Journal of Energy Resources Technology 140, no. 5 (2017). http://dx.doi.org/10.1115/1.4037369.

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This paper presents the approach of thermoeconomic analysis of centralized cold generation in trigeneration system integrated with steam-powered absorption chillers (ACs). The analysis was conducted for real back-pressure combined heat and power (CHP) unit BC-50 and single-effect absorption refrigerators using water and lithium bromide as the working fluids. It has been assumed that the heating medium supplied to the chiller generator is technological steam from the existing steam bleeding. The calculations take into account changes of energy demand for heating and cooling for each month of th

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