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Journal articles on the topic 'Rankin cycle'

Author: Grafiati

Published: 30 May 2022

Last updated: 26 July 2025

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1

ISSHIKI, Naotsugu, Hiroshi KOJIMA, Izumi USHIYAMA, and Seita ISSHIKI. "Development of Steam Rankin Stirling Cycle Engine (SRSE)." Proceedings of the Symposium on Stirlling Cycle 2000.4 (2000): 59–62. http://dx.doi.org/10.1299/jsmessc.2000.4.59.

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2

Набокин, A. Nabokin, Новиков, and A. Novikov. "FOREIGN EXPERIENCE OF IMPLEMENTATION CYCLE CARNOT IN AUTOMOTIVE PISTON POWER PLANTS." Alternative energy sources in the transport-technological complex: problems and prospects of rational use of 3, no. 1 (2016): 26–30. http://dx.doi.org/10.12737/18623.

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The article outlines the basic concepts of thermodynamic improvement of technical facilities for automobile transport. Reviewed the cycles of Rankin, Stirling, Edwards as the most applicable for the use of alternative energy sources.

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Sultan, Dr Fawaz. "Performance Analysis of Steam Power Plants Using Ideal Reheat-Rankin Cycle." International Journal of Advanced engineering, Management and Science 3, no. 4 (2017): 305–12. http://dx.doi.org/10.24001/ijaems.3.4.4.

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4

Bo, Dakkah Baydaa, I′ldar A. Sultanguzin, and Yuriy V. Yavorovsky. "Heat Recovery Using Organic Rankine Cycle." Vestnik MEI, no. 5 (2021): 51–57. http://dx.doi.org/10.24160/1993-6982-2021-5-51-57.

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Heat losses in industrial processes can be divided into three sections (high-, medium-, and low-temperature heat), depending on the temperature of the exhaust gases. This heat is usually recovered either by heat exchangers or by a closed Rankine cycle. However, about 60% of low-temperature heat losses remain irreplaceable. Currently, the organic Rankine cycle has become a promising method of low-temperature energy recovery, and several theoretical studies on this topic have appeared, but a small number of experimental studies have been performed. In our work, we have built a 2 kW heat recovery

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5

Bakyt, Zh, Sh Issagaliyeva та A. Kassymov. "Selection of the working body of the organіc Rankin cycle and the study of its features". Bulletin of Shakarim University. Technical Sciences, № 3(11) (28 вересня 2023): 29–35. http://dx.doi.org/10.53360/2788-7995-2023-3(11)-3.

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The article considered the application of the organic Rankine cycle, in particular attention was paid to the correct choice of the working fluid in installations that implement such a cycle.The choice of a working medium for solving generalized tasks is the determining basic condition for the effectiveness of the implementation of the organic Rankine cycle. In addition, the article formulates the working bodies used in the cycle and the requirements for working bodies. The properties of the working bodies used in the organic Rankine cycle were studied and the main factors affecting the effecti

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Kareem, Alaa Fadhel, Abdulrazzak Akroot, Hasanain A. Abdul Wahhab, Wadah Talal, Rabeea M. Ghazal, and Ali Alfaris. "Exergo–Economic and Parametric Analysis of Waste Heat Recovery from Taji Gas Turbines Power Plant Using Rankine Cycle and Organic Rankine Cycle." Sustainability 15, no. 12 (2023): 9376. http://dx.doi.org/10.3390/su15129376.

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This study focused on exergo–conomic and parametric analysis for Taji station in Baghdad. This station was chosen to reduce the emission of waste gases that pollute the environment, as it is located in a residential area, and to increase the production of electric power, since for a long time, Iraq has been a country that has suffered from a shortage of electricity. The main objective of this work is to integrate the Taji gas turbine’s power plant, which is in Baghdad, with the Rankine cycle and organic Rankine cycle to verify waste heat recovery to produce extra electricity and reduce emissio

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ISSHIKI, Naotsugu, Hiroshi KOJIMA, and Seita ISSHIKI. "A09 Development of Rankin Stirling Cycle Engine (SRSE) Utilizing wooden Pellets as Fuel." Proceedings of the Symposium on Stirlling Cycle 2001.5 (2001): 27–30. http://dx.doi.org/10.1299/jsmessc.2001.5.27.

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Arsirii, V. A., and P. M. Ryabokon. "IMPROVING THE PERFORMANCE OF BOILER PLANTS DUE TO THE USE OF DIRECT AND REVERSE RANKIN CYCLES." Modern construction and architecture, no. 3 (March 30, 2023): 90–97. http://dx.doi.org/10.31650/2786-6696-2023-3-90-97.

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To generate electricity from biofuels at heat and power enterprises of Ukraine, the direct Rankine cycle is used, which ensures the efficiency of energy transformation within  = 0.25-0.55. To improve the efficiency of fuel energy, use in boiler plants, it is also proposed to implement a reverse Rankine cycle scheme. Such a proposal is good to use in enterprises where there is a need for drying biomaterials. Instead of a separate boiler for drying processes, it is proposed to use the energy of water condensation from flue gases. In this case, the cost of electricity for the operation of the co

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9

Ćehajić, Nurdin, and Sandira Eljšan. "Exergy analysis of sub-critical organic Rankin cycle for the energy utilization of biomass." Tehnika 73, no. 3 (2018): 373–80. http://dx.doi.org/10.5937/tehnika1803373c.

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10

Bai, Jie, Leilei Cao, and Lulu Cao. "System design and analysis on organic Rankin cycle for asphalt plant’s waste heat recovery." IOP Conference Series: Earth and Environmental Science 358 (December 13, 2019): 052067. http://dx.doi.org/10.1088/1755-1315/358/5/052067.

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Al-Furaiji, Mushtaq A., Fawzi Sh Alnasur, Hayder salah AL sammarraie, and Muhammed Im Kareem. "Regeneration equations for the Rankine cycle with super-heated steam." IOP Conference Series: Earth and Environmental Science 1029, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1755-1315/1029/1/012015.

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Abstract The paper presents a mathematical model to calculate the thermal efficiency of the steam turbines with superheating, methodology forecasting for the Rankin cycle with superheated steam using Regression equations, MathCad, SPSS, and Statistatica programs. The resulting regression equation is applied to calculate the indicator values in a given range of variation of parameters, and it is also limitedly suitable for calculation outside this range. A MathCad-based approach for calculating the predictive model was created and presented. This work presents the formulation of a problem for t

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Shu, Chengchuan, Youtian Cao, Tianen Sun, Tianchen Zhang, and Xiangyu Wang. "Energy recovery in automotive systems: A review of regenerative braking, flywheel, thermoelectric, rankin cycle and electric turbo compound." Applied and Computational Engineering 85, no. 1 (2024): 44–60. http://dx.doi.org/10.54254/2755-2721/85/20240623.

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In the backdrop of escalating global vehicle proliferation and the consequent surge in carbon dioxide (CO2) emissions, there is a compelling urgency to innovate energy recovery methods during vehicular operations for heightened energy efficiency and substantial environmental emission reductions. This paper discussed a variety of vehicle technologies to address environmental emissions issues and critically evaluates contemporary energy recovery technologies across three core dimensions: automotive thermal energy conversion, electronic turbine systems (ETC), and kinetic energy recovery systems.

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YOKOYAMA, Tomoyuki, Tomohiko YAMAGUCHI, Souichi SASAKI, Hidejiro MORITAKA, Kuniyasu KANEMARU, and Satoru MOMOKI. "624 Feasibility Study of Super Critical CO2 Rankin Cycle Driven by Heat Source of a Hot Spring." Proceedings of Conference of Kyushu Branch 2015.68 (2015): 257–58. http://dx.doi.org/10.1299/jsmekyushu.2015.68.257.

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HORINO, Takashi, Chayadit PUMANERATKUL, Kyosuke FUJITA, Haruhiko YAMASAKI, and Hiroshi YAMAGUCHI. "Performance and Flow Characteristics of Thermally Driven Pump in CO₂ Solar Rankin Cycle System." Proceedings of Mechanical Engineering Congress, Japan 2017 (2017): S0510102. http://dx.doi.org/10.1299/jsmemecj.2017.s0510102.

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Bacenetti, Jacopo, Alessandra Fusi, and Adisa Azapagic. "Environmental sustainability of integrating the organic Rankin cycle with anaerobic digestion and combined heat and power generation." Science of The Total Environment 658 (March 2019): 684–96. http://dx.doi.org/10.1016/j.scitotenv.2018.12.190.

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Bogi, Murali Krishna, Kandukuri Mahesh Kumar, Sudhir Kumar Vujhini, and Shanthi Bonagiri. "Effectiveness of Therapeutic Plasma Exchange in Autoimmune Neurological Diseases in a Tertiary Care Hospital of South India." Global Journal of Transfusion Medicine 9, no. 1 (2024): 51–56. http://dx.doi.org/10.4103/gjtm.gjtm_3_24.

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ABSTRACT Background and Objectives: Therapeutic plasma exchange (TPE) is commonly used as a treatment of certain autoimmune neurological diseases, and its main target is to remove pathogenical toxins or autoantibodies. Removed plasma with toxins and autoantibodies is replaced by crystalloids, colloids, and/or normal saline. It is more effective and cost-effective than immunoglobulins. The aim of this study was to know the effectiveness of TPE in autoimmune neurological diseases. Methods: This is a prospective study involving 376 autoimmune neurological cases, and the duration of this study was

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Jaramillo, V., and O. Cabeza. "Thermodynamic modelling of the power cycle: Solar Thermal Generation in the canton of Arenillas-Ecuador." Renewable Energy and Power Quality Journal 20 (September 2022): 795–98. http://dx.doi.org/10.24084/repqj20.440.

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Solar thermal energy is a type of non-conventional renewable energy (NCRE) that takes advantage of the sun's heat to heat a fluid called heat carrier, then in a heat exchanger it produces steam at high pressure and temperature that generates electricity in a conventional thermal process, this process being of crucial importance since the production of electrical energy on a large scale depends on its efficiency. The technology chosen here is that of parabolic cylinder thermosolar (PCT), that reflect solar radiation and concentrate it in a tube located in its focal line. Inside it is a thermal

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18

Almehmadi, Fahad Awjah, Abdullah Najib, and Hany Al-Ansary. "Prediction of key performance indicators of multi-effect vacuum membrane distillation systems integrated with PVT and Organic Rankin Cycle." Case Studies in Thermal Engineering 61 (September 2024): 105080. http://dx.doi.org/10.1016/j.csite.2024.105080.

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19

Alibaba, Massomeh, Razieh Pourdarbani, Mohammad Hasan Khoshgoftar Manesh, Israel Herrera-Miranda, Iván Gallardo-Bernal, and José Luis Hernández-Hernández. "Conventional and Advanced Exergy-Based Analysis of Hybrid Geothermal–Solar Power Plant Based on ORC Cycle." Applied Sciences 10, no. 15 (2020): 5206. http://dx.doi.org/10.3390/app10155206.

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Today, as fossil fuels are depleted, renewable energy must be used to meet the needs of human beings. One of the renewable energy sources is undoubtedly the solar–geothermal power plant. In this paper, the conventional and advanced, exergo-environmental and exergo-economic analysis of a geothermal–solar hybrid power plant (SGHPP) based on an organic Rankin cycle (ORC) cycle is investigated. In this regard, at first, a conventional analysis was conducted on a standalone geothermal cycle (first mode), as well as a hybrid solar–geothermal cycle (second mode). The results of exergy destruction for

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20

Kopsen, E., and G. McGann. "A REVIEW OF THE HYDROCARBON HABITAT OF THE EASTERN AND CENTRAL BARROW — DAMPIER SUB-BASIN, WESTERN AUSTRALIA." APPEA Journal 25, no. 1 (1985): 154. http://dx.doi.org/10.1071/aj84015.

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The most completely known section of the Barrow- Dampier Sub-basin in the northern Carnarvon Basin of the Northwest Shelf comprises three depositional super- cycles spanning the Triassic to the Tertiary. Each cycle is made up of an initial transgressive section of mainly fine-grained clastics overlain by a thick, extensive, off- lapping sequence of coarse-grained deposits. The transgressive sedimentary package typically contains a coarse basal unit overlain by a thick, argillaceous unit, whereas the progradational package changes character in each cycle, representing increasingly open marine c

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21

Ravikumar Solomon, G., R. Balaji, K. Ilayaperumal, and B. Chellappa. "Performance analysis and efficiency enhancement of cooling tower in 210 MW thermal unit." Journal of Physics: Conference Series 2054, no. 1 (2021): 012062. http://dx.doi.org/10.1088/1742-6596/2054/1/012062.

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Abstract Heat exchangers, condensers plays a vital role in any kind of power cycle like modified Rankin cycle, these components involves transfer of both sensible and latent heat and have great influence over the power plant performance. The condenser employed in MTPS involves transfer of latent heat into steam. Yet it as to induce a phase change in thereby forming water. Increase in the effectiveness of condenser resulted in the increase of vacuum in the condenser. Thereby work done by steam is increased and coal saving (per ton of steam production) is achieved. This condensation process resu

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da Rosa Pinheiro, Douglas Rafael, Maria Eduarda Parcianello Cabeleira, Luigi Antonio da Campo, et al. "Upper limbs cycle ergometer increases muscle strength, trunk control and independence of acute stroke subjects: A randomized clinical trial." NeuroRehabilitation 48, no. 4 (2021): 533–42. http://dx.doi.org/10.3233/nre-210022.

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BACKGROUND: Studies demonstrate the benefits of upper limbs cycle ergometer (ULCE) in subacute and chronic stroke subjects, but the literature still needs to explore the acute phase of the disease. OBJECTIVE: Verify the effects of ULCE on muscular strength, trunk control and independence of post-stroke subjects in hospital acute phase. METHODS: In this randomized clinical trial participants were allocated into two groups. The control group (CG) performed two daily sessions of conventional physiotherapy, while the intervention group (IG) had one daily session of conventional physiotherapy and o

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23

Colonna, Piero, Emiliano Casati, Carsten Trapp, et al. "Organic Rankine Cycle Power Systems : A Review." Proceedings of the International Conference on Power Engineering (ICOPE) 2015.12 (2015): E1—E20. http://dx.doi.org/10.1299/jsmeicope.2015.12.e1.

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24

Abutorabi, Hossein, and Ehsan Kianpour. "Modeling, exergy analysis and optimization of cement plant industry." Journal of Mechanical and Energy Engineering 6, no. 1 (2022): 55–66. http://dx.doi.org/10.30464/jmee.2022.6.1.55.

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Cement is the most widely used man-made material. The global cement industry produces about 3.3 billion tons of cement annually. A lot of energy is needed to produce cement. About 200 kg of coal is used to produce each ton of cement. The cement industry also produces about five percent of the world's greenhouse gases. In order to reduce the use of fossil fuels and greenhouse gas emissions, some cement producers have the potential to recover waste heat. The method studied in this research is based on heat recovery from boilers installed at the outlet of clinker cooler and preheater of cement fa

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25

Beans, E. W. "Comparative Thermodynamics for Brayton and Rankine Cycles." Journal of Engineering for Gas Turbines and Power 112, no. 1 (1990): 94–99. http://dx.doi.org/10.1115/1.2906483.

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The thermal efficiency, work per unit mass, and work per unit volume of the simple Rankine and Brayton cycles are expressed in terms of seven independent variables using a simplified thermodynamic model. By requiring equal efficiency, equal work conditions, and the same maximum cycle temperature for both cycles, two necessary relationships are established between the seven independent variables. These two relationships along with two maximum work conditions produce a method for comparing required and selected properties. These comparisons provide useful guidelines for the selection of the cycl

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26

Woodward, John B. "The Rankine Topping Cycle Revisited." Journal of Ship Research 36, no. 01 (1992): 91–98. http://dx.doi.org/10.5957/jsr.1992.36.1.91.

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Cascaded thermodynamic machines are familiar in marine engineering, even if the word "cascade" is not common currency in that field. The author refers to the almost universal practice of exhausting the working fluid (air) of a diesel engine into a gas turbine (the turbocharger, usually), followed by exhausting of that working fluid into a heat exchanger that energizes the working fluid (water) of yet another turbine. If the same practice is to be described in terms of the respective power cycles, we would probably say that the cascade consists of a Rankine cycle topped by a Brayton cycle which

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Ibrahim, O. M., and S. A. Klein. "High-Power Multi-Stage Rankine Cycles." Journal of Energy Resources Technology 117, no. 3 (1995): 192–96. http://dx.doi.org/10.1115/1.2835340.

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This paper presents an analysis of the multi-stage Rankine cycle aiming at optimizing the power output from low-temperature heat sources such as geothermal or waste heat. A design methodology based on finite-time thermodynamics and the maximum power concept is used in which the shape and the power output of the maximum power cycle are identified and utilized to compare and evaluate different Rankine cycle configurations. The maximum power cycle provides the upper-limit power obtained from any thermodynamic cycle for specified boundary conditions and heat exchanger characteristics. It also prov

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Erdogan, Anil, and Ozgur Colpan. "Performance assessment of shell and tube heat exchanger based subcritical and supercritical organic Rankine cycles." Thermal Science 22, Suppl. 3 (2018): 855–66. http://dx.doi.org/10.2298/tsci171101019e.

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In this study, thermal models for subcritical and supercritical geothermal powered organic Rankine cycles are developed to compare the performance of these cycle configurations. Both of these models consist of a detailed model for the shell and tube heat exchanger integrating the geothermal and organic Rankine cycles sides and basic thermodynamic models for the rest of the components of the cycle. In the modeling of the heat exchanger, this component was divided into sever?al zones and the outlet conditions of each zone were found applying logarithmic mean temperature difference method. Differ

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Ahmed, Aram Mohammed, László Kondor, and Attila R. Imre. "Thermodynamic Efficiency Maximum of Simple Organic Rankine Cycles." Energies 14, no. 2 (2021): 307. http://dx.doi.org/10.3390/en14020307.

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The increase of the maximal cycle temperature is considered as one of the best tools to increase cycle efficiency for all thermodynamic cycles, including Organic Rankine Cycles (ORC). Technically, this can be done in various ways, but probably the best solution is the use of hybrid systems, i.e., using an added high-temperature heat source to the existing low-temperature heat source. Obviously, this kind of improvement has technical difficulties and added costs; therefore, the increase of efficiency by increasing the maximal temperature sometimes has technical and/or financial limits. In this

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Ahmed, Aram Mohammed, László Kondor, and Attila R. Imre. "Thermodynamic Efficiency Maximum of Simple Organic Rankine Cycles." Energies 14, no. 2 (2021): 307. http://dx.doi.org/10.3390/en14020307.

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The increase of the maximal cycle temperature is considered as one of the best tools to increase cycle efficiency for all thermodynamic cycles, including Organic Rankine Cycles (ORC). Technically, this can be done in various ways, but probably the best solution is the use of hybrid systems, i.e., using an added high-temperature heat source to the existing low-temperature heat source. Obviously, this kind of improvement has technical difficulties and added costs; therefore, the increase of efficiency by increasing the maximal temperature sometimes has technical and/or financial limits. In this

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31

Zhang, Lei, Yang Jiao, Jian Wang, et al. "Investigation on the Application of Carbon Dioxide Power Generation Cycles in Solar Energy Heating Utilization." Journal of Physics: Conference Series 2941, no. 1 (2025): 012081. https://doi.org/10.1088/1742-6596/2941/1/012081.

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Abstract In the domain of solar thermal energy utilization, the power cycles that utilize carbon dioxide as the working fluid predominantly encompass the transcritical Rankine cycle and the supercritical Brayton cycle. This study employs MATLAB programming to compute and examine the thermal efficiencies of these two cycles across a spectrum of solar collector temperatures ranging from 200 to 1000°C and carbon dioxide working fluid pressures from 10 to 40 MPa. At elevated temperatures, the thermal efficiencies of both cycles augment with the escalation in working fluid pressure; however, at red

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Sun, Heng, Hong Mei Zhu, and Hong Wei Liu. "Process Simulations of the Cold Recovery Unit in a LNG CCHP System with Different Power Cycles." Applied Mechanics and Materials 90-93 (September 2011): 3026–32. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.3026.

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A CCHP system using LNG as the primary energy should integrate cold recovery unit to increase the total energy efficiency. A scheme of CCHP consisting of gas turbine-steam turbine combined cycle, absorption refrigeration unit, cold recovery unit and cooling media system is a system with high efficiency and operation flexibility. Three different power cycles using the cold energy of LNG is(are 或 were) presented and simulated. The results show that the cascade Rankine power cycle using ethylene and propane in the two cycles respectively has highest energy efficiency. However, the unit is most co

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Zeinodini, Mohammadreza, and Mehdi Aliehyaei. "Energy, exergy, and economic analysis of a new triple-cycle power generation configuration and selection of the optimal working fluid." Mechanics & Industry 20, no. 5 (2019): 501. http://dx.doi.org/10.1051/meca/2019021.

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The present study investigated energy, exergy and economic analyses on a new triple-cycle power generation configuration. In this configuration, the energy of the exhaust gas and the wasted energy in the condenser of the steam cycle is recovered in the heat recovery steam generator (HRSG) and the evaporator of organic Rankine cycle (ORC), respectively. A computer code was written in MATLAB to analyze the triple-cycle configuration. Validation through this program showed that the highest errors were 5.6 and 7.1%, which occurred in gas and steam cycles, respectively. The results revealed that th

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van Nuland, J., and J. Renet. "Organic rankine cycle." Computers & Chemical Engineering 11, no. 5 (1987): 547–51. http://dx.doi.org/10.1016/0098-1354(87)80030-3.

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Mahmoudi, S. M. S., and A. R. Ghavimi. "Thermoeconomic analysis and multi objective optimization of a molten carbonate fuel cell – Supercritical carbon dioxide – Organic Rankin cycle integrated power system using liquefied natural gas as heat sink." Applied Thermal Engineering 107 (August 2016): 1219–32. http://dx.doi.org/10.1016/j.applthermaleng.2016.07.003.

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Rubio, Serrano Francisco Javier, Roberto Martínez-Pérez, Andrés Meana-Fernández, Caballín Juan Manuel González, and Trashorras Antonio J. Gutierrez. "Experimental study on the influence of electrical conductivity of hygroscopic compounds on the performance of a hygroscopic cycle." Applied Thermal Engineering 233 (July 16, 2023): 121181. https://doi.org/10.1016/j.applthermaleng.2023.121181.

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Santos, J. T. dos, T. M. Fagundes, E. D. dos Santos, L. A. Isoldi, and L. A. O. Rocha. "ANALYSIS OF A COMBINED BRAYTON/RANKINE CYCLE WITH TWO REGENERATORS IN PARALLEL." Revista de Engenharia Térmica 16, no. 2 (2017): 10. http://dx.doi.org/10.5380/reterm.v16i2.62205.

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This work presents a configuration of two regenerators in parallel for a power generation Brayton/Rankine cycle where the output power is 10 MW. The working fluids considered for the Brayton and Rankine cycles are air and water, respectively. The addition of a regenerator with the previous existing cycle of this kind resulted in the addition of a second-stage turbine in the Rankine cycle of reheat. The objective of this modification is to increase the thermal efficiency of the combined cycle. In order to examine the efficiency of the new configuration, it is performed a thermodynamic modelling

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Lee, Su Won, Jin Gyu Kwon, Moo Hwan Kim, and HangJin Jo. "Cycle analysis and economic evaluation for seawater-LNG Organic Rankine Cycles." Energy 234 (November 2021): 121259. http://dx.doi.org/10.1016/j.energy.2021.121259.

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Mikielewicz, Dariusz, Jan Wajs, and Elżbieta Żmuda. "Organic Rankine Cycle as Bottoming Cycle to a Combined Brayton and Clausius - Rankine Cycle." Key Engineering Materials 597 (December 2013): 87–98. http://dx.doi.org/10.4028/www.scientific.net/kem.597.87.

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A preliminary evaluation has been made of a possibility of bottoming of a conventional Brayton cycle cooperating with the CHP power plant with the organic Rankine cycle installation. Such solution contributes to the possibility of annual operation of that power plant, except of operation only in periods when there is a demand for the heat. Additional benefit would be the fact that an optimized backpressure steam cycle has the advantage of a smaller pressure ratio and therefore a less complex turbine design with smaller final diameter. In addition, a lower superheating temperature is required c

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Giuma, M. Fellah. "A comparative thermodynamic analysis of Organic Rankine Cycles (ORC) and kalina cycle for low-grade energy resources." i-manager’s Journal on Future Engineering and Technology 19, no. 1 (2023): 1. http://dx.doi.org/10.26634/jfet.19.1.20123.

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This work aims to contribute to the issue of producing electrical power and reducing the emissions of gases into the atmosphere by utilizing low grade energy sources such as solar energy, geothermal energy and the energy that is rejected from industrial processes. The Organic Rankine Cycle (ORC) and Kalina are two cycles used to utilize low-grade energy sources. Each of them differs in the structure and in the working fluids. The organic Rankine cycle uses organic materials as working fluids, such as benzene, R-600a, methanol, propane, R-245f, i-pentane and ammonia while Kalina cycle uses a mi

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Noroozian, Afsaneh, Abbas Naeimi, Mokhtar Bidi, and Mohammad Hossein Ahmadi. "Exergoeconomic comparison and optimization of organic Rankine cycle, trilateral Rankine cycle and transcritical carbon dioxide cycle for heat recovery of low-temperature geothermal water." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 233, no. 8 (2019): 1068–84. http://dx.doi.org/10.1177/0957650919844647.

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Depleting fossil fuel resources and the horrible environmental impacts due to burning fossil fuels emphasize the importance of using renewable energy resources such as geothermal and solar energies. This paper compares performance of CO2 transcritical cycle, organic Rankine cycle, and trilateral Rankine cycle using a low-temperature geothermal heat source. Thermodynamic analysis, exergetic analysis, economic analysis, and exergoeconomic analysis are applied for each of the aforementioned cycles. In addition, a sensitivity analysis is performed on the system, and the effects of geothermal heat

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Hung, Tzu-Chen, and Yong-Qiang Feng. "Innovative Research in the Organic Rankine Cycle." Impact 2020, no. 6 (2020): 76–78. http://dx.doi.org/10.21820/23987073.2020.6.76.

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Thermodynamic cycles consist of a sequence of thermodynamic processes involving the transfer of heat and work into and then out of a system. Variables, such as pressure and temperature, eventually return the system to its initial state. During the process of passing through the system, the working fluid converts heat and disposes of any remaining heat, making the cycle act as a heat engine, where heat or thermal energy is converted into mechanical energy. Thermodynamic cycles are an efficient means of producing energy and one of the most well-known examples is a Rankine cycle. From there, scie

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Hung, T. C. "Triple Cycle: A Conceptual Arrangement of Multiple Cycle Toward Optimal Energy Conversion." Journal of Engineering for Gas Turbines and Power 124, no. 2 (2002): 429–36. http://dx.doi.org/10.1115/1.1423639.

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The purpose of this study is to find a maximum work output from various combinations of thermodynamic cycles from a viewpoint of the cycle systems. Three systems were discussed in this study: a fundamental combined cycle and two other cycles evolved from the fundamental dual combined cycle: series-type and parallel-type triple cycles. In each system, parametric studies were carried out in order to find optimal configurations of the cycle combinations based on the influences of tested parameters on the systems. The study shows that the series-type triple cycle exhibits no significant difference

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Frase, Sibylle, Sandra Kaiser, Matti Steimer, et al. "Patients with Subarachnoid Hemorrhage Exhibit Disturbed Expression Patterns of the Circadian Rhythm Gene Period-2." Life 11, no. 2 (2021): 124. http://dx.doi.org/10.3390/life11020124.

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Circadian rhythm gene expression in cerebral pacemaker regions is regulated by a transcriptional-translational feedback loop across the 24-h day-night cycle. In preclinical models of subarachnoid hemorrhage (SAH), cyclic gene expression is disrupted. Stabilization of circadian rhythm gene expression attenuates susceptibility to ischemic damage in both neuronal and myocardial tissues. In this clinical observational study, circadian rhythm gene Period-2 (Per2) mRNA expression levels were determined from blood leukocytes and cerebrospinal fluid (CSF) cells via real-time PCR on days 1, 7 and 14 af

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Daniarta, Sindu, Piotr Kolasiński, and Attila R. Imre. "Thermodynamic efficiency of trilateral flash cycle, organic Rankine cycle and partially evaporated organic Rankine cycle." Energy Conversion and Management 249 (December 2021): 114731. http://dx.doi.org/10.1016/j.enconman.2021.114731.

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Woodward, John B. "Ideal Cycle Evaluation of Steam Augmented Gas Turbines." Journal of Ship Research 40, no. 01 (1996): 79–88. http://dx.doi.org/10.5957/jsr.1996.40.1.79.

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A wide range of air-standard Brayton and modified-Brayton power cycles are evaluated to determine their second-law efficiencies and their volume flows per unit output. A cycle with reheating is chosen for further analysis on the basis of its potential for high efficiency through exploitation of its exhaust availability (exergy) and its low volume rates. This exploitation can be had either through a conventional Rankine bottoming cycle, or through injection of the bottoming cycle steam into the Brayton turbine. The Rankine bottoming cycle is superior with respect to second-law efficiency; the c

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Schoenmaker, J., J. F. Q. Rey, and K. R. Pirota. "Buoyancy organic Rankine cycle." Renewable Energy 36, no. 3 (2011): 999–1002. http://dx.doi.org/10.1016/j.renene.2010.09.014.

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KIM, KYOUNG HOON, and MAN-HOE KIM. "Comparative Thermodynamic Analysis of Organic Rankine Cycle and Ammonia-Water Rankine Cycle." Transactions of the Korean hydrogen and new energy society 27, no. 5 (2016): 597–603. http://dx.doi.org/10.7316/khnes.2016.27.5.597.

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Aboelwafa, Omar, Seif-Eddeen K. Fateen, Ahmed Soliman, and Ibrahim M. Ismail. "A review on solar Rankine cycles: Working fluids, applications, and cycle modifications." Renewable and Sustainable Energy Reviews 82 (February 2018): 868–85. http://dx.doi.org/10.1016/j.rser.2017.09.097.

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Jiménez-García, José C., Alexis Ruiz, Alejandro Pacheco-Reyes, and Wilfrido Rivera. "A Comprehensive Review of Organic Rankine Cycles." Processes 11, no. 7 (2023): 1982. http://dx.doi.org/10.3390/pr11071982.

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It has been demonstrated that energy systems driven by conventional energy sources like fossil fuels are one of the main causes of climate change. Organic Rankine cycles can help to reduce that impact, as they can be operated by using the industrial waste heat of renewable energies. The present study presents a comprehensive bibliographic review of organic Rankine cycles. The study not only actualizes previous reviews that mainly focused on basic cycles operating on subcritical or supercritical conditions, but also includes the analysis of novel cycles such as two-stage and hybrid cycles and t

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