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Journal articles on the topic 'Modeling compressor plant'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Ghosh, Arindam. "Accurate noise modeling for petrochemical plants - impact of compressor Piping." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 4 (2021): 2412–19. http://dx.doi.org/10.3397/in-2021-2130.

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Compressor piping is a dominant noise source in petrochemical plants with large centrifugal compressors. Acoustic insulation is used on compressor suction, discharge and recycle lines as a measure to mitigate noise radiating from compressor piping. This paper will demonstrate using case studies the importance of acoustic insulation on compressor piping as the primary and most cost effective noise control method for both community and in-plant noise. Case studies include the predicted and measured noise levels obtained during post startup noise surveys. This paper will also illustrate that to o

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2

Borovkov, Aleksey, Igor Voinov, Yuri Galerkin, et al. "Design, Plant Test and CFD Calculation of a Turbocharger for a Low-Speed Engine." Applied Sciences 10, no. 23 (2020): 8344. http://dx.doi.org/10.3390/app10238344.

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Various approaches and techniques are used to design centrifugal compressors. These are engineering one-dimensional and quasi-three-dimensional programs, as well as CFD Computational Fluid Dynamics (CFD) programs. The final judgment about the effectiveness of the design is given by testing the compressor or its model. A centrifugal compressor for an internal combustion engine turbocharger was designed jointly by the Research Laboratory “Gas Dynamics of Turbomachines” of Peter the Great St. Petersburg Polytechnic University (SPbPU) and RPA (Research and Production Association) “Turbotekhnika”.

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3

Song, Xiao Na, Yan Ping Hu, Jun Zheng, Pei Li, Xiao Xia Hou, and Wen Yi Liu. "Thermodynamic Modeling of Air Reservoir for CAES Power Plant." Advanced Materials Research 732-733 (August 2013): 209–12. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.209.

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CAES (Compressed Air Energy Storage) is an energy storage method which preserves electric energy in the form of air pressure potential energy. As the storage space, the internal air pressure of air reservoir significantly affects the performance of the CAES system. Based on a thorough study of variable pressure air reservoir of CAES, this paper puts forward a thermodynamic modeling method which could be perfectly applied in air pressure and temperature variation analysis. Modeling parameters are fitted by serving Huntorf power plant in Germany as reference case; results show that the obtained

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4

Zhu, Lei, and Hong Fu Zuo. "Predicting Compressor of Gas Turbine Power Plant On-Line Washing Interval Using Proportional Hazards Model." Advanced Materials Research 452-453 (January 2012): 195–99. http://dx.doi.org/10.4028/www.scientific.net/amr.452-453.195.

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Due to compressor fouling, gas turbine efficiency decreases over time, resulting in decreased power output of the plant. To counteract the effects of compressor fouling, compressor on-line and off-line washing procedures are used. The present research is aimed to propose a method of mathematical modeling of offline washing interval which will be estimated as the RUL of compressor based on Proportional hazards model. Application of the proposed prediction method to the case of Civil Aero-engine proved its effectiveness.

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Septano, Gurruh Dwi, Tri Satya Ramadhoni, and Herlin Sumarna. "COMPARATIVE ANALYSIS OF PRESSURE AND FLOW CHARACTERISTICS IN BASIC AND MODIFIED AIR COMPRESSOR PIPELINE USING COMPUTATIONAL FLUID DYNAMICS IN POWER PLANT TANJUNG ENIM 3X10 MW." Media Mesin: Majalah Teknik Mesin 25, no. 1 (2024): 10–20. http://dx.doi.org/10.23917/mesin.v25i1.2815.

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Air compressor plays a crucial role by converting electrical energy into kinetic energy in the form of compressed air. This study specifically concentrates on assessing the performance of two compressors that operate alternately, with one compressor in standby mode. Unfortunately, compressor unit #1 faced issues with its drying system, rendering it unable to function within the current pipe network. In order to rectify this, proposed modifications to the pipeline network are introduced and scrutinized. To analyze these modifications, Computational Fluid Dynamics (CFD) is employed to evaluate a

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6

Mazini, Mohammad Taghi, Alireza Yazdizadeh, and Mohammad Hossein Ramezani. "Dynamic modeling of multi-effect desalination with thermal vapor compressor plant." Desalination 353 (November 2014): 98–108. http://dx.doi.org/10.1016/j.desal.2014.09.014.

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7

Kikstra, J. F., and A. H. M. Verkooijen. "Dynamic Modeling of a Cogenerating Nuclear Gas Turbine Plant—Part I: Modeling and Validation." Journal of Engineering for Gas Turbines and Power 124, no. 3 (2002): 725–33. http://dx.doi.org/10.1115/1.1426086.

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The high-temperature gas-cooled reactor is a promising concept for inherently safe nuclear power generation. This article deals with dynamic modeling of a combined heat and power plant, based on a helium-cooled reactor in combination with a closed-cycle gas turbine system. A one-dimensional flow model describing the helium flow and the two-phase water flow is used through the whole plant, with different source terms in different pieces of equipment. A stage-by-stage model is produced for the radial compressor and axial turbine. Other models include the recuperator, water/helium heat exchangers

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8

Shamoushaki, Moein, Pouriya H. Niknam, Lorenzo Talluri, Giampaolo Manfrida, and Daniele Fiaschi. "Development of Cost Correlations for the Economic Assessment of Power Plant Equipment." Energies 14, no. 9 (2021): 2665. http://dx.doi.org/10.3390/en14092665.

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A comprehensive cost correlation analysis was conducted based on available cost correlations, and new equipment cost correlation models were proposed based on QUE$TOR modeling. Cost correlations for various types of equipment such as pumps, compressors, heat exchangers, air coolers, and pressure vessels were generated on the basis of extracted cost data. The models were derived on the basis of robust multivariable regression with the aim of minimizing the residuals by using the genetic algorithm. The proposed compressor models for both centrifugal and reciprocating types showed that the Turton

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9

Drozdov, A. A., Yu B. Galerkin, O. A. Solovyeva, K. V. Soldatova, and A. A. Ucehovscy. "Mathematical model of the 9th version Universal modeling method: features and results of identification." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 4, no. 4 (2020): 28–40. http://dx.doi.org/10.25206/2588-0373-2020-4-4-28-40.

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The Universal modeling method is a complex of computer programs for calculating the characteristics and optimal design of centrifugal compressors based on mathematical models of efficiency and head. Practical experience allows improving the mathematical models that underlie the Method. Determining the non-incidence inlet in a blade cascade is an important part of calculating the compressor gasdynamic characteristics. In the 8th version of the Universal modeling method, a formula is used to calculate the direction of the critical stream line, containing an empirical coefficient X. The practice

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10

Ibrahim, Abulfaz Gabibov, Seydulla Nadjafkulieva Rabiya, and Malik Abasova Sevinj. "MODELING THE HEAT TRANSFER PROCESS IN REFRIGERATION UNITS USED IN THE OIL INDUSTRY." EUREKA: Physics and Engineering 6 (November 30, 2019): 57–62. https://doi.org/10.21303/2461-4262.2019.001056.

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Currently, the main volume of associated petroleum gas production in Azerbaijan is carried out at offshore fields. About 30 % of this volume is used for SOCAR’s own technological needs of the oil company (to maintain the level of oil production). And the rest are transported to onshore facilities and further for processing to a gas processing plant. Subsequently, dry and purified gas is sent through a gas pipeline system for use by the population, or to a network of trunk pipelines for further export. When gas is transferred to the gas lift system and ashore, it is compressed in com

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11

Gabibov, Ibrahim Abulfaz, Rabiya Seydulla Nadjafkulieva, and Sevinj Malik Abasova. "MODELING THE HEAT TRANSFER PROCESS IN REFRIGERATION UNITS USED IN THE OIL INDUSTRY." EUREKA: Physics and Engineering 6 (November 30, 2019): 57–62. http://dx.doi.org/10.21303/2461-4262.2019.001056.

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Currently, the main volume of associated petroleum gas production in Azerbaijan is carried out at offshore fields. About 30 % of this volume is used for SOCAR’s own technological needs of the oil company (to maintain the level of oil production). And the rest are transported to onshore facilities and further for processing to a gas processing plant. Subsequently, dry and purified gas is sent through a gas pipeline system for use by the population, or to a network of trunk pipelines for further export. When gas is transferred to the gas lift system and ashore, it is compressed in compressors, a

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12

Zhang, Huisheng, Shilie Weng, and Ming Su. "Dynamic Modeling on the Hybrid Molten Carbonate Fuel Cell-Gas Turbine Bottoming Cycle." Journal of Fuel Cell Science and Technology 2, no. 2 (2004): 94–98. http://dx.doi.org/10.1115/1.1867973.

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The intention of this paper is to present the dynamic models for the molten carbonate fuel cell (MCFC)-gas turbine hybrid cycle. This paper analyzes the performance of various components in the hybrid power plant, such as the compressor, turbine, recuperator, generator, fuel cell stack, etc. The modular simulation models of these components are presented. Based on the dynamic simulation modeling principle, one bottoming hybrid MCFC-microturbine cycle was studied to carry out the simulation. The simulation result can reflect the dynamic response of the hybrid power plant.

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13

Chen, Daniel, Pawanahamsa Shetty, Song Wang, et al. "Techno-Economic and Environmental Analyses of an Integrated Liquefied Natural Gas/Allam–Fetvedt Cycle/Air Separation Unit Complex." Energies 17, no. 11 (2024): 2663. http://dx.doi.org/10.3390/en17112663.

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The natural gas (NG)-powered compressors/engines used in liquified natural gas (LNG) plants are a major source of methane emission. The Allam–Fetvedt cycle (AFC), an oxyfuel, carbon-neutral, high-efficiency power plant, generates pipeline-grade CO2. This work performed novel process modeling, economic analysis, and greenhouse gas emissions analysis for a heat-integrated, electrified LNG/AFC/air separation unit (ASU) complex (LAA), then compared it to standalone LNG and AFC/ASU plants (baseline) as well as an LNG plant electrified with AFC/ASU without heat integration. The low-grade heat genera

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14

Al-Hamdan, Qusai Z., and Munzer S. Y. Ebaid. "Modeling and Simulation of a Gas Turbine Engine for Power Generation." Journal of Engineering for Gas Turbines and Power 128, no. 2 (2005): 302–11. http://dx.doi.org/10.1115/1.2061287.

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The gas turbine engine is a complex assembly of a variety of components that are designed on the basis of aerothermodynamic laws. The design and operation theories of these individual components are complicated. The complexity of aerothermodynamic analysis makes it impossible to mathematically solve the optimization equations involved in various gas turbine cycles. When gas turbine engines were designed during the last century, the need to evaluate the engines performance at both design point and off design conditions became apparent. Manufacturers and designers of gas turbine engines became a

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15

Yazdi, Behnam, Behdad Yazdi, Mehdi Ehyaei, and Abolfazl Ahmadi. "Optimization of micro combined heat and power gas turbine by genetic algorithm." Thermal Science 19, no. 1 (2015): 207–18. http://dx.doi.org/10.2298/tsci121218141y.

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In this paper, a comprehensive thermodynamic modeling and multi-objective optimization of a micro turbine cycle in combined heat and power generation, which provides 100KW of electric power. This CHP System is composed of air compressor, combustion chamber (CC), Air Preheater, Gas Turbine (GT) and a Heat Recovery Heat Exchanger. In this paper, at the first stage, the each part of the micro turbine cycle is modeled using thermodynamic laws. Next, with using the energetic and exergetic concepts and applying economic and environmental functions, the multi-objectives optimization of micro turbine

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16

Oyegoke, T., I. I. Akanji, O. O. Ajayi, E. A. Obajulu, and A. O. Abemi. "Thermodynamic and Economic Evaluation of Gas Turbine Power Plants." Journal of Engineering Sciences 7, no. 1 (2020): G1—G8. http://dx.doi.org/10.21272/jes.2020.7(1).g1.

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Thermodynamic analysis and economic feasibility of a gas turbine power plant using a theoretical approach are studied here. The operating conditions of Afam Gas Power Plant, Nigeria are utilized. A modern gas turbine power plant is composed of three key components which are the compressor, combustion chamber, and turbine. The plants were analyzed in different control volumes, and plant performance was estimated by component-wise modeling. Mass and energy conservation laws were applied to each component, and a complete energy balance conducted for each component. The lost energy was calculated

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17

Elwardany, Mohamed, A. M. Nassib, Hany A. Mohamed, and M. R. Abdelaal. "Modeling of performance and thermodynamic study of a gas turbine power plant." Thermal Science and Engineering 7, no. 4 (2024): 8016. http://dx.doi.org/10.24294/tse.v7i4.8016.

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The efficiencies and performance of gas turbine cycles are highly dependent on parameters such as the turbine inlet temperature (TIT), compressor inlet temperature (T1), and pressure ratio (Rc). This study analyzed the effects of these parameters on the energy efficiency, exergy efficiency, and specific fuel consumption (SFC) of a simple gas turbine cycle. The analysis found that increasing the TIT leads to higher efficiencies and lower SFC, while increasing the To or Rc results in lower efficiencies and higher SFC. For a TIT of 1400 ℃, T1 of 20 ℃, and Rc of 8, the energy and exergy efficienci

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18

Matveev, V. N., G. M. Popov, E. S. Goryachkin, and Yu D. Smirnova. "Peculiarities of modeling the work process in a low-pressure compressor of a gas turbine plant." VESTNIK of the Samara State Aerospace University, no. 5-1(47) (June 15, 2015): 173. http://dx.doi.org/10.18287/1998-6629-2014-0-5-1(47)-173-179.

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19

Myravev, Igor, and Danil Shinkevich. "Development of a mathematical model of a gas turbine plant with a low-emission combustion chamber and features of integration into the SimInTech environment." Energy Systems 7, no. 1 (2022): 27–36. http://dx.doi.org/10.34031/es.2022.1.003.

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The results of the development of a mathematical model of a gas turbine plant (GTP) SGT5-4000F with an annular low-emission combustion chamber are presented. This plant has a low NOx emission and a high coefficient of performance (COP). The obtained results of mathematical modeling are integrated into the domestic environment of dynamic modeling of technical systems "SimInTech". The obtained results were verified by comparing the model values with the trends of the real technological parameters of the gas turbine unit taken from the archive of the automated process control system of the power

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20

De Lucia, M., C. Lanfranchi, and V. Boggio. "Benefits of Compressor Inlet Air Cooling for Gas Turbine Cogeneration Plants." Journal of Engineering for Gas Turbines and Power 118, no. 3 (1996): 598–603. http://dx.doi.org/10.1115/1.2816690.

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Compressor inlet air cooling is an effective method for enhancing the performance of gas turbine plants. This paper presents a comparative analysis of different solutions for cooling the compressor inlet air for the LM6000 gas turbine in a cogeneration plant operated in base load. Absorption and evaporative cooling systems are considered and their performance and economic benefits compared for the dry low-NOx LM6000 version. Reference is made to two sites in Northern and Southern Italy, whose climatic data series for modeling the variations in ambient temperature during the single day were use

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21

Wadhah H. Al Doori, Anmmar Mahmoud Ahmed, and Ahmed Hasan Ahmed. "Modern Thermodynamic Analysis by the Energic-Exergic Method of Gas Turbine Power Plants 55 MW in Taza-Iraq." CFD Letters 14, no. 10 (2022): 112–19. http://dx.doi.org/10.37934/cfdl.14.10.112119.

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Abstract Because of the increasing demand for energy in the recent period, it has become necessary to intensify the study in the field of evaluating the performance of the gas station under the first and second laws efficiency. The energy and exergy losses of gas stations are represented by the compressor, combustion chamber, and turbine. Therefore, this work aims to analyze the energy and exergy of a 55 MW Taza gas power station. The investigation demonstrated that the most significant misfortunes of the exergy happened in the combustion chamber, where was 66.5MW the most minimal misfortunes

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22

SUN, Ying, Sergey A. KOLESNIK, and Ekaterina L. KUZNETSOVA. "Mathematical modeling of coupled heat transfer on cooled gas turbine blades." INCAS BULLETIN 12, S (2020): 193–200. http://dx.doi.org/10.13111/2066-8201.2020.12.s.18.

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The paper presents a physico-mathematical model for determining the heat transfer parameters between viscous gasdynamic flotations and cooled gas turbine blades made using the technology of composite permeable membranes (CPM). The mathematical model includes equations of dynamic and thermal boundary layers taking into account injection, three-dimensional transient heat conduction in CPM cooled frames, complex hydraulic flow and cooling inside the channels of a cooled blade with air taken from the power plant compressor. A complex problem was solved to determine the thermal state of microrocket

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23

Vidović, Tino, Ivan Tolj, Gojmir Radica, and Natalia Bodrožić Ćoko. "Proton-Exchange Membrane Fuel Cell Balance of Plant and Performance Simulation for Vehicle Applications." Energies 15, no. 21 (2022): 8110. http://dx.doi.org/10.3390/en15218110.

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In this study, a newly developed zero-dimensional electrochemical model was used for modeling and controlling proton-exchange membrane fuel cell (PEMFC) performance. Calibration of the model was performed with measurements from the fuel cell stack. Subsequently, a compressor and a humidifier on the cathode side were sized and added to the existing model. The aim of this work was to model the PEMFC stack and balance of plant (BoP) components in detail to show the influence of operating parameters such as cathode pressure, stack temperature and cathode stoichiometric ratio on the performance and

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24

Somar Moaen Habib, Ahmed Hamed, Ahmed Yahia Youssef, Mahmoud Kassem, and Abdalla Hanafi. "Dynamic Modeling and Simulation of the Forward Feed MED-TVC Desalination Plant." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 92, no. 1 (2022): 190–211. http://dx.doi.org/10.37934/arfmts.92.1.190211.

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The sudden disturbances in the operating parameters of desalination plants are common, especially when these plants are integrated with concentrated solar power (CSP). These disturbances damage the plants over time and may lead to a complete shutdown. This paper aims to investigate the performance of a forward feed multi-effect distillation plant with a thermal vapor compressor (FF-MED-TVC) which has a high potential for integration with concentrated solar power (CSP). However, the fluctuation and instability of solar energy require the development of dynamic model for the MED process to analy

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25

Onoroh, F., M. Ogbonnaya, and U. P. Onochie. "Modeling and simulation of the effect of moisture content and ambient temperature on gas turbine power plant performance in Ughelli, Nigeria." Nigerian Journal of Technology 39, no. 1 (2020): 182–88. http://dx.doi.org/10.4314/njt.v39i1.20.

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The influence of ambient temperature and moisture content on the performance of Transcorp Power Plant, Ughelli, Delta State, Nigeria was investigated with the aid of a digital psychrometer. The simulation was done using codes developed on MATLAB R2017a and the results show that compressor power consumption increased by 1.65% for 0.7% rise in temperature, and 0.50% for 71.4% rise in moisture content. The specific fuel consumption also increased with increase in temperature where a 1.71% rise in ambient temperature resulted in a 0.15% rise in specific fuel consumption but it decreased by 0.49% f

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26

Ueresin, C., L. Decker, and P. Treite. "Modeling and Commissioning of a Cold Compressor String for the Superfluid Cryogenic Plant at Fermilab's Cryo-module Test Facility." Physics Procedia 67 (2015): 282–87. http://dx.doi.org/10.1016/j.phpro.2015.06.088.

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27

Danov, Stan N., and Ashwani K. Gupta. "Modeling the Performance Characteristics of Diesel Engine Based Combined-Cycle Power Plants—Part II: Results and Applications." Journal of Engineering for Gas Turbines and Power 126, no. 1 (2004): 35–39. http://dx.doi.org/10.1115/1.1635397.

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In this two-part series publication a mathematical model of the energy conversion process in a diesel engine based combined-cycle power plant has been developed and verified. The examined configuration consists of a turbocharged diesel engine (the topping cycle), a heat recovery steam generator (HRSG) and a steam turbine plant (the bottoming cycle). The model is then used to provide an analysis of performance characteristics of the combined-cycle power plant for steady-state operation. Numerous practical performance parameters of interest have been generated, such as the mean indicated pressur

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28

Smith, R. D., W. F. Weldon, and A. E. Traver. "Aerodynamic Loading and Magnetic Bearing Controller Robustness Using a Gain-Scheduled Kalman Filter." Journal of Engineering for Gas Turbines and Power 118, no. 4 (1996): 836–42. http://dx.doi.org/10.1115/1.2817003.

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Modeling or predicting aerodynamic loading effects on rotating equipment has been a source of concern to those who wish to examine stability or response of critical components. The rotordynamic model of the system employed for such examination assumes greater importance for active bearings than for passive ones, if only because of the additional potential for instability introduced by the controller. For many systems, aerodynamic loading may vary widely over the range of operation of the bearings, and may depend on extended system variables. Thus, potential controllers for active magnetic bear

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29

Muravyov, I. K., and D. A. Shinkevich. "Modeling the operation of SGT5-4000F gas turbine unit and study of influence of operating and climatic factors on the stability of combustion in combustion chamber." Vestnik IGEU, no. 1 (February 28, 2024): 12–19. http://dx.doi.org/10.17588/2072-2672.2024.1.012-019.

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When regulating gas turbine units, it is necessary to be confident in the stable combustion process in the combustion chambers, considering the dynamics of the processes and changes of external climatic factors. Many scientific studies are devoted to the problems of experimental research and mathematical modeling of processes in combustion chambers. The possibilities of flame failure, expansion of the lower limit of combustion, determination of the stable position of the flame front and other issues have been assessed. Even though the problem of design of mathematical models and their use rema

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30

Cormos, Calin-Cristian, Letitia Petrescu, Ana-Maria Cormos, and Cristian Dinca. "Assessment of Hybrid Solvent—Membrane Configurations for Post-Combustion CO2 Capture for Super-Critical Power Plants." Energies 14, no. 16 (2021): 5017. http://dx.doi.org/10.3390/en14165017.

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The reduction of fossil CO2 emissions from key relevant industrial processes represents an important environmental challenge to be considered. To enable large-scale deployment of low carbon technologies, a significant research and development effort is required to optimize the CO2 capture systems. This work assesses various hybrid solvent-membrane configurations for post-combustion decarbonization of coal-based super-critical power plants. As an illustrative chemical solvent, Methyl-Di-Ethanol-Amine was assessed. Various membrane unit locations were assessed (e.g., top absorber, before absorbe

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Соловьев, Валерий Владимирович, Диана Наилевна Морунова, and Андрей Анатольевич Ануфриев. "Optimization of hydrogen sulfide stripping process by example of upgrading of Aktash sulfurous crude oil treatment plant." Нефтяная провинция, no. 3(11) (November 29, 2017): 133–40. http://dx.doi.org/10.25689/np.2017.3.133-140.

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В связи с увеличением добычи нефти в НГДУ «Елховнефть» и недостаточной производительности Акташской установки подготовки высокосернистой нефти возникла необходимость её реконструкции. На основании проведенного математического моделирования установлено, что незначительное снижение давления в колонне приводит к существенному уменьшению требуемого расхода отдувочного газа. Снизить давление в колонне возможно с применением водокольцевого насоса. Также для увеличения эффективности технологии десорбционной очистки нефти от сероводорода был рассмотрен вариант изменения компонентного состава нефти за

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32

Boyko, Lyudmila, та Nataliya Pizhankova. "Метод розрахунку термогазодинамічних параметрів турбовального ГТД на підставі повінцевого опису лопаткових машин. Частина ІІІ. Визначення параметрів турбіни". Aerospace Technic and Technology, № 3 (23 травня 2025): 49–59. https://doi.org/10.32620/aktt.2025.3.05.

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Blade-to-blade modeling of turbomachinery, based on methods for developing the parameters and characteristics of modern gas turbine engines, enables the resolution of a wide range of theoretically and practically significant problems in engine design, development, and operation. It also improves the accuracy of performance calculations. This article investigates thermogasdynamic processes within the flow part of a gas turbine engine and its elements, focusing in particular on a multi-stage gas turbine. The study is based on a method for developing the parameters and operational characteristics

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Brahimi, Faiza, Baya Madani, and Messaouda Ghemmadi. "Comparative Thermodynamic Environmental and Economic Analyses of Combined Cycles Using Air and Supercritical CO2 in the Bottoming Cycles for Power Generation by Gas Turbine Waste Heat Recovery." Energies 15, no. 23 (2022): 9066. http://dx.doi.org/10.3390/en15239066.

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This study aims to improve existing fossil gas turbine power plants by waste heat recovery. These power plants function with an air simple cycle (ASC) and are implemented where water resources are limited. Modeling and simulation of ASC and two advanced energy conversion systems are performed. They are the gas turbine–air bottoming cycle (GT-ABC) and gas turbine–supercritical carbon dioxide bottoming cycle (GT-sc-CO2BC). The main intent is to assess the benefits of employing sc-CO2 as a working fluid in a closed Brayton bottoming cycle compared to air, based on the energetic and exergetic perf

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Huque, Mohammad Mojammel, and Mahbubur Rahman. "An Integrated Production Optimization Approach of a Natural Gas Filed in Bangladesh." Journal of Chemical Engineering 29, no. 1 (2017): 34–39. http://dx.doi.org/10.3329/jce.v29i1.33817.

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This paper presents an integrated production model for a producing gas field in Bangladesh. Integrated production modeling is a powerful method for optimizing gas or oil field production planning. This approach combines the reservoir performance, well inflow and outflow relationship and the surface facilities in a single platform to cover all operating envelopes and constrains. Once the model is established and validated, the production forecasts can be generated to study alternative development scenarios against reservoir performances. This allows choosing an optimum production strategy from

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Chen, L., W. Zhang, and F. Sun. "Power and efficiency optimization for combined Brayton and two parallel inverse Brayton cycles. Part 1: Description and modelling." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 222, no. 3 (2008): 393–403. http://dx.doi.org/10.1243/09544062jmes640a.

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A thermodynamic model for open combined Brayton and two parallel inverse Brayton cycles is established using finite-time thermodynamics in part A of the current paper. The flow processes of the working fluid with the pressure drops of the working fluid and the size constraints of the real power plant are modelled. There are 17 flow resistances encountered by the gas stream for the combined Brayton and two parallel inverse Brayton cycles. Six of these, the friction through the blades and vanes of the compressors and the turbines, are related to the isentropic efficiencies. The remaining flow re

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Ulitenko, Yurii, Vasyl Loginov, Igor Kravchenko, Viktor Popov, Oleksandr Rasstrygin, and Olexandr Yelans'ky. "Improving the efficiency of an aircraft power plant with a turboprop engine based on water-methanol mixture injection." Eastern-European Journal of Enterprise Technologies 2, no. 1 (116) (2022): 6–15. http://dx.doi.org/10.15587/1729-4061.2022.254277.

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This paper considers a technique for modernizing the power plant (PP) of a regional aircraft. The modernization is based on the injection of water or a water-methanol mixture into the compressor or combustion chamber of a turboprop engine (TPE). An algorithm has been developed for the thermodynamic calculation of TPE parameters, taking into consideration the injected mixture; the mathematical model (MM) has been improved. Methodical studies of the operability and range of application of the improved MM were carried out. The results of mathematical modeling were validated. For verification, the

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Yurii, Ulitenko, Loginov Vasyl, Kravchenko Igor, Popov Viktor, Rasstrygin Oleksandr, and Yelans'ky Olexandr. "Improving the efficiency of an aircraft power plant with a turboprop engine based on water-methanol mixture injection." Eastern-European Journal of Enterprise Technologies 2, no. 1 (116) (2022): 6–15. https://doi.org/10.15587/1729-4061.2022.254277.

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This paper considers a technique for modernizing the power plant (PP) of a regional aircraft. The modernization is based on the injection of water or a water-methanol mixture into the compressor or combustion chamber of a turboprop engine (TPE). An algorithm has been developed for the thermodynamic calculation of TPE parameters, taking into consideration the injected mixture; the mathematical model (MM) has been improved. Methodical studies of the operability and range of application of the improved MM were carried out. The results of mathematical modeling were validated. For verification, the

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Olishevskyi, Illia, Oleksandr Gusev, and Hennadii Olishevskyi. "Automated methodology of calculating parameters for non-traditional technology of heating mode of hydro-storage power plant station." Electrical Engineering and Power Engineering, no. 1 (June 30, 2023): 36–42. http://dx.doi.org/10.15588/1607-6761-2023-1-4.

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Purpose. Justification of the rational parameters of heat pumps and heat accumulators to ensure the efficient operation of the hydro storage power plant (HSPP) in the heating mode. Development of an automated methodology for calculating rational parameters for a complex system of a hydro storage power plant operating in heating mode. Methodology. Mathematical analysis and modeling. Findings. Using the developed automated calculation method, it was analyzed and determined that passing through the heat pump the full flow of water passing through the hydro unit is impractical and ineffective, bec

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Di Mattia, Edoardo, Agostino Gambarotta, Mirko Morini, and Costanza Saletti. "Application of modelling approaches of twin-screw compressors: thermodynamic investigation and reduced-order model identification." E3S Web of Conferences 312 (2021): 05001. http://dx.doi.org/10.1051/e3sconf/202131205001.

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Refrigeration is an essential part of the food chain. It is used in all stages of the chain, from industrial food processing to final consumption at home. In these processes, mechanical refrigeration technologies are employed, where compressors increase gas pressure from evaporation to condensation. In industrial refrigeration systems, twin-screw compressors represent the most widely used technology. A detailed mathematical model of a twin-screw compressor has been developed in Simulink® using differential equations for energy and mass balances to simulate the compression cycle that includes s

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Анисимов, П. Н., Ю. А. Ширнин, И. В. Петухов, К. П. Рукомойников, С. Я. Алибеков, and Е. С. Шарапов. "Development of a mobile wood burning power plant for autonomous power supply of forestry facilities." Известия СПбЛТА, no. 248 (July 15, 2024): 206–19. http://dx.doi.org/10.21266/2079-4304.2024.248.206-219.

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Актуальность автономного энергообеспечения объектов лесного комплекса обусловлена большими ресурсами древесины на удаленных от сетей централизованного электроснабжения и газоснабжения территориях. Целью работы является повышение эффективности автономного энергообеспечения объектов лесного комплекса путем разработки и оптимизации миниэлектростанций на древесном топливе. При решении поставленных задач применены методы численного моделирования технических систем с использованием среды динамического моделирования SimInTech. Выполнен анализ результатов серии имитационных экспериментов функционирова

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Hall, E. J. "Aerodynamic modelling of multistage compressor flow fields Part 2: Modelling deterministic stresses." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 212, no. 2 (1998): 91–107. http://dx.doi.org/10.1243/0954410981532162.

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The primary purpose of this study was to investigate improved numerical techniques for predicting flows through multistage compressors. The vehicle chosen for this study was the Pennsylvania State University Research Compressor (PSRC). The PSRC facility consists of a 3 1/2-stage axial flow compressor which shares design features which are consistent with embedded stages of modern gas turbine engine axial flow compressors. In Part 2 of this two-part paper, time-dependent predictions of rotor- stator-rotor aerodynamic interactions are employed to quantify the levels and distribution of determini

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Klauzner, P. S., D. G. Rudakov, E. A. Anokhina, and A. V. Timoshenko. "Energy saving in the extractive distillation of isobutyl alcohol–isobutyl acetate with n-butyl propionate." Fine Chemical Technologies 15, no. 4 (2020): 14–29. http://dx.doi.org/10.32362/2410-6593-2020-15-4-14-29.

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Objectives. Determination of the effectiveness of using various types of heat pumps in the extractive distillation of an isobutyl alcohol–isobutyl acetate mixture with n-butyl propionate as the entrainer.Methods. As the main research method, mathematical modeling was performed using the Aspen Plus V. 9 software package. As a model for describing the vapor–liquid equilibrium, the local composition equation-based UNIQUAC model was employed, and the Redlich–Kwong model was adopted to examine the non-ideal vapor phase. When modeling the conventional scheme of extractive distillation, parametric op

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Жорник, Олег Володимирович, Ігор Федорович Кравченко та Михайло Михайлович Мітрахович. "Удосконалення характеристик кільцевого вхідного пристрою авіаційної силової установки з гвинтовентилятором". Aerospace technic and technology, № 4sup2 (27 серпня 2021): 11–18. http://dx.doi.org/10.32620/aktt.2021.4sup2.02.

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The article considers the method of improving the characteristics of the ring inlet device, taking into account the influence of the propeller of an aircraft power plant with a turboprop engine. It is shown that increasing the total pressure loss in the inlet device by 5% increases, approximately, the specific fuel consumption by 3% and reduces engine thrust by 6%, and uneven flow at the inlet to the engine is the cause of unstable compressor of the turboprop engine. It is proposed to improve the characteristics of the input device by modifying the shape of its shell and channel. Evaluation of

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Hall, E. J. "Aerodynamic modelling of multistage compressor flow fields Part 1: Analysis of rotor-stator-rotor aerodynamic interaction." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 212, no. 2 (1998): 77–89. http://dx.doi.org/10.1243/0954410981532153.

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The primary purpose of this study was to investigate improved numerical techniques for predicting flows through multistage compressors. The vehicle chosen for this study was the Pennsylvania State University Research Compressor (PSRC). The PSRC facility consists of a 3 1/2-stage axial flow compressor which shares design features which are consistent with embedded stages of modern gas turbine engine axial flow compressors. In Part 1 of this two-part paper, several computational fluid dynamics techniques were applied to predict both steady and unsteady flows through the PSRC facility. Interblade

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Mysior, Marek, Paweł Stępień, and Sebastian Koziołek. "Modeling and Experimental Validation of Compression and Storage of Raw Biogas." Processes 8, no. 12 (2020): 1556. http://dx.doi.org/10.3390/pr8121556.

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A significant challenge in sustainability and development of energy systems is connected with limited diversity and availability of fuels, especially in rural areas. A potential solution to this problem is compression, transport, and storage of raw biogas, that would increase diversity and availability of energy sources in remote areas. The aim of this study was to perform experimental research on raw biogas compression concerning biogas volume that can be stored in a cylinder under the pressure of 20 MPa and to compare obtained results with numerical models used to describe the state of gas a

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Puli Vinay Kumar, Et al. "Image Coding based Orthogonal Polynomials Multiresolution Analysis with Joint Probability Context Modeling and Modified Golomb-Rice Entropy Coding." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 9 (2023): 2587–96. http://dx.doi.org/10.17762/ijritcc.v11i9.9331.

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The work proposes, a JPEG2000 like compression technique which is based on multiresolution analysis of orthogonal polynomials transformation (OPT) coefficients has been presented with bit modeling for Golomb-Rice entropy coding. Initially, the image under analysis is divided into blocks and OPT is applied to each divided blocks. Then, transformed coefficients are represented as sub bands like structure (multiresolution) and scalar quantization is carried out to the transformed coefficients to reduce the precision. The quantized coefficients are then bit modelled in the bit plane using a joint

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Cottes, Mattia, Matia Mainardis, Daniele Goi, and Patrizia Simeoni. "Demand-Response Application in Wastewater Treatment Plants Using Compressed Air Storage System: A Modelling Approach." Energies 13, no. 18 (2020): 4780. http://dx.doi.org/10.3390/en13184780.

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Wastewater treatment plants (WWTPs) are known to be one of the most energy-intensive industrial sectors. In this work, demand response was applied to the biological phase of wastewater treatment to reduce plant electricity cost, considering that the daily peak in flowrate typically coincides with the maximum electricity price. Compressed air storage system, composed of a compressor and an air storage tank, was proposed to allow energy cost reduction. A multi-objective modelling approach was applied by analyzing different scenarios (with and without anaerobic digestion, AD), considering both pl

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Коновалов, Дмитро Вікторович, Роман Миколайович Радченко, Галина Олександрівна Кобалава, Сергій Георгійович Фордуй та Віктор Павлович Халдобін. "Розробка програмного комплексу раціонального проектування систем охолодження на основі термопресорних технологій". RADIOELECTRONIC AND COMPUTER SYSTEMS, № 1 (27 лютого 2021): 60–69. http://dx.doi.org/10.32620/reks.2021.1.05.

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The most common way to increase power and reduce fuel consumption by modern power plants is contact cooling of a gas or air flow by water injection. A promising development of this direction is to use aerothermopressor technologies. The use of heat air, which is compressed by the power plant compressors, accelerates the flow to a speed close to the sound one and almost instantaneous evaporation of injected water (the effect of thermo-gas-dynamic compression). It is important to determine the rational parameters of the organization of thermophysical and hydrodynamic processes when developing su

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Muñoz Díaz, María Teresa, Héctor Chávez Oróstica, and Javiera Guajardo. "Economic Analysis: Green Hydrogen Production Systems." Processes 11, no. 5 (2023): 1390. http://dx.doi.org/10.3390/pr11051390.

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The continued use of energy sources based on fossil fuels has various repercussions for the environment. These repercussions are being minimized through the use of renewable energy supplies and new techniques to decarbonize the global energy matrix. For many years, hydrogen has been one of the most used gases in all kinds of industry, and now it is possible to produce it efficiently, on a large scale, and in a non-polluting way. This gas is mainly used in the chemical industry and in the oil refining industry, but the constant growth of its applications has generated the interest of all the co

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Maqueda, M. A. M., Sergio A. Martinez D., D. Narváez, Miriam G. Rodriguez R., Ricardo Aguilar L., and Victor M. Herrero V. "Dynamical modelling of an activated sludge system of a petrochemical plant operating at high temperatures." Water Science and Technology 53, no. 11 (2006): 135–42. http://dx.doi.org/10.2166/wst.2006.346.

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The Mexican petrochemical industry, Morelos S.A. de C.V., is one of the biggest and more important petroleum industries in Mexico and Latin America. It has an activated sludge system to treat its wastewater flow, which is approximately 7,000 m3/d. The wastewater contains volatile organic carbon substances classified as toxics. The old surface aeration system was changed for fine bubble diffusers; however, one major drawback of the new aeration system is that the temperature in the bioreactor has increased due to the compression of the air, which at the compressor exit reaches 85 °C. This effec

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