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Статті в журналах з теми "Compressor selection"

Автор: Grafiati

Опубліковано: 28 травня 2022

Оновлено: 31 липня 2025

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1

Tsutsumi, S., and J. Boone. "The Design, Selection, and Application of Oil-Injected Screw Compressors for Fuel Gas Service." Journal of Engineering for Gas Turbines and Power 117, no. 1 (1995): 81–87. http://dx.doi.org/10.1115/1.2812785.

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Анотація:

Fuel gas compressors installed in cogeneration systems must be highly reliable and efficient machines, like the other main components, such as gas turbines, gas engines, etc. In the range of gas flow rate and pressure conditions generally required for such systems, the oil-injected screw compressor is often the most suitable compressor type for these requirements. Advantages of oil injected screw compressors are: improved compression efficiency; low discharge gas temperature; high reliability; simple mechanical construction; which all result from injection of lubricant into the compressor. Inj

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2

Lelgemann, K. D. "The Design, Selection, and Application of Oil-Free Screw Compressors for Fuel Gas Service." Journal of Engineering for Gas Turbines and Power 117, no. 1 (1995): 74–80. http://dx.doi.org/10.1115/1.2812784.

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Fuel gas compressors installed in cogeneration systems must be highly reliable and efficient machines. The screw compressor can usually be designed to meet most of the gas flow rates and pressure conditions generally required for such installations. To an ever-increasing degree, alternative sources are being found for the fuel gas supply, such as coke-oven gas, blast-furnace gas, flare gas, landfill gas, and synthesis gas from coal gasification or from pyrolysis. A feature of the oil-free screw compressor when such gases are being considered is the isolation of the gas compression space from t

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3

Gao, Jian Qiang, Shao Dong Sun, Li Kun Wang, and Ning Wang. "The Analysis on the Scheme of the Flue Gas Compressor of a 300 MW Oxy-Fuel Pulverized Coal Fired Boiler." Applied Mechanics and Materials 602-605 (August 2014): 638–41. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.638.

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The compression of the flue gas is one of the most critical processes of CO2 recycling in oxy-fuel combustion technology. With a 300 MW Oxy-fuel pulverized coal fired boiler taken as an example of study, the selection of compressors of its flue gas compressing system is analyzed by the thermodynamic calculation. In this paper, two centrifugal compressors with the same specification are in parallel running as Scheme 1 of selection, while an axial compressor and a piston compressor are in series operation as Scheme 2 of selection. It shows that the Scheme 2 has the advantage of the energy consum

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4

Ryabko, Boris. "Time-Universal Data Compression." Algorithms 12, no. 6 (2019): 116. http://dx.doi.org/10.3390/a12060116.

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Nowadays, a variety of data-compressors (or archivers) is available, each of which has its merits, and it is impossible to single out the best ones. Thus, one faces the problem of choosing the best method to compress a given file, and this problem is more important the larger is the file. It seems natural to try all the compressors and then choose the one that gives the shortest compressed file, then transfer (or store) the index number of the best compressor (it requires log m bits, if m is the number of compressors available) and the compressed file. The only problem is the time, which essen

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5

Johan, Destiny Khairyan, Ali Mashar, and Slameto Slameto. "Design of Oil-Free Compressor in Compressed Air System PT Sanbe Farma Unit 1." Fluida 16, sp1 (2023): 46–52. http://dx.doi.org/10.35313/fluida.v16isp1.5519.

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This research is the development of a screw type compressor technology found in the utility system of PT. Sanbe Farma. This design aims to design a screw oil-free compressor focusing on solving problems that generally occur in a compressor, namely contamination between compressed air and oil. For this compressor, ISO Standard 8573-1: 2010 is used, and then the design results are compared with the simulation results that have been validated using the Aspen Hysys application. Several factors can affect the compressor's design, including the use of diameters in the pipe installation and the selec

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6

Lee, S., C. Bai, and J. Shim. "Performance analysis and experiment of new 3D rotary compressor." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 226, no. 1 (2011): 133–44. http://dx.doi.org/10.1177/0954406211413519.

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R410A is one of the HFC refrigerants, which are preferred globally to promote the most environmentally friendly option on the basis of an objective reference system taking into account the alternative selection of HCFC refrigerants for the air-conditioning system by the Kyoto protocol. This article presents a three-dimensional (3D) rotary compressor that is within the family of rotary compressors. First, the geometry of the compressor is explained and equations relating the volume of the compression and suction chambers to the rotational angle of the shaft are derived. These equations are used

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7

Kosuri, Lakshmi Thirumala, M. Deepika Krishna, Adilakshmi i. Karapat, B. S. B. Ayyappa Swamy, and Dinesh Nayak S. "A Low Power High Speed Accuracy Controllable Approximate Multiplier Design." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (2022): 1625–30. http://dx.doi.org/10.22214/ijraset.2022.41617.

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Abstract: For energy effective and high performance design, the low power VLSI circuit is used. Multiplier is an essential part of low power VLSI design, since the effectiveness of the digital signal processor depends upon the multiplier. In multiplier circuit, utmost of the power is dissipated across in full adder circuits. Multiplication is one of the important process in microprocessor and there will be a lot of delay because of array multiplier, which can be compressed with the help of the column compressor approach. It uses a selection of half adders, full adders and compressors to sum th

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8

Kang, Hyun-Su, Sung-Yeon Kim, and Youn-Jea Kim. "Wet Compression Study for an Aero-Thermodynamic Performance Analysis of a Centrifugal Compressor at Design and Off-Design Points." Processes 10, no. 5 (2022): 936. http://dx.doi.org/10.3390/pr10050936.

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In this study, to analyze the effect of wet compression technology on the aero-thermodynamic performance of a centrifugal compressor, a numerical analysis study was conducted on the design point and off-design point. Wet compression technology sprays water droplets at the inlet of the compressor. During the compression process, water droplets evaporate, reducing the heat of compression and reducing the compression work, which improves the efficiency of the compressor. In wet compression technology, detailed research is needed for the application to compressors because the droplet behavior affe

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9

Cyklis, Piotr, and Przemysław Młynarczyk. "An innovative simulation method for the estimation of the nozzle pressure pulsation attenuation." Journal of Vibration and Control 23, no. 16 (2015): 2690–703. http://dx.doi.org/10.1177/1077546315619534.

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Pressure pulsations in volumetric compressor manifolds have a high impact on compression power requirement and the reliability of manifold operation. These pulsations induce vibrations, noise, and in some cases, mechanical failure of piping or compressor valves. For pressure pulsation attenuation, different types of mufflers are applied using a design based upon the Helmholtz resonator approach. This design is particularly effective for constant revolution speed compressors. For contemporary applications of variable revolution speed compressors, other pressure pulsation attenuation methods are

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10

Zhang, Pan, Xiwei Ke, Weiliang Wang, Xueyu Tang, Junfu Lyu, and Qinghong Tang. "Study on the Selection of Single-Screw Steam Compressors in Industrial Steam Supply." Energies 16, no. 10 (2023): 4199. http://dx.doi.org/10.3390/en16104199.

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Both direct and indirect heating compression methods were proposed to satisfy the requirement of industrial steam compression and supply. The compression process in a single-screw compressor was analyzed with the determination of different inlet and outlet boundary conditions. Considering the misalignment of meshing pairs caused by the offset of the star wheel axis and screw origin, the differential expansion of the vertical meshing pair was further analyzed. The inner ring of the sealing end face, the wall of the inner ring of the bearing at the inlet and outlet ends, and the bottom surface o

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11

Vanyashov, A. D., and I. A. Yanvarev. "Problems of consistency of gas dynamic characteristics of centrifugal compressor sections and selection of anti-surge control valves." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 8, no. 2 (2024): 30–37. http://dx.doi.org/10.25206/2588-0373-2024-8-2-30-37.

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Options of approach to selection of standard size of anti-surge control valves in relation to two-section (two-shell) centrifugal compressor unit with three control circuits (first section, second section, general circuit) are considered. The problems arising from valve selection due to incorrect calculation of gas dynamic characteristics of compressor sections are shown. Field of application — natural and associated gas production and compression facilities.

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12

Kalamkar, Anand. "How to Improve Fatigue Life and Residual Stress in Compressor Reeds through Shot Peening." International Journal for Research in Applied Science and Engineering Technology, no. 6 (June 30, 2024): 164–67. http://dx.doi.org/10.22214/ijraset.2024.63004.

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Abstract: Numerous industrial areas involve the utilization of shot peening as a well-known surface enhancement method for increasing the fatigue life and residual stress of cyclically loaded crucial parts. This study examines the effects of shot peening on compressor reeds that can lengthen their life cycle with an accelerated rate of residual stress thereby improving reliability and performance of entire compressor system. The paper explains the principles behind shot peening, its influence on materials, and some specific advantages that it gives to thin reed compressors. Materials selection

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13

Guo, Yi, Qi Wang, Maofei Geng, Xueyuan Peng, and Jianmei Feng. "Effects of Liquid Density on the Gas-Liquid Interaction of the Ionic Liquid Compressor for Hydrogen Storage." Energies 16, no. 7 (2023): 3193. http://dx.doi.org/10.3390/en16073193.

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As a new and promising compression technology for hydrogen gas, the ionic liquid compressor inherits the advantages of the ionic liquid and the hydraulic system. The liquid density is one of the key parameters influencing the fluid flow field, the sloshing of the bulk liquid, and the movement of droplets generated during the compressor operation. An appropriate selection of the liquid density is important for the compressor design, which would improve the thermodynamic performance of the compressor. However, the density of the ionic liquid varied significantly depending on the specific combina

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14

Agashirin Shirinov, Agashirin Shirinov, and Tofig Samadov Tofig Samadov. "SELECTION OF THE OPTIMAL METHOD OF OPERATION FOR GAS-LIFT WELLS OPERATING IN OFFSHORE CONDITIONS AND EVALUATION OF ITS EFFICIENCY." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 16, no. 05 (2022): 95–100. http://dx.doi.org/10.36962/pahtei16052022-95.

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As the field is developed, the operating conditions of the wells deteriorate; the product is hydrated, the hydrostatic pressure of the fluid column increases, a high-viscosity emulsion is formed, the pressure loss due to friction in the wellbore and discharge line increases, which increases the wellbore and wellhead pressures, the effective gas factor decreases, and the required specific gas consumption increase. When gas is supplied to the pipe space through compressors, the liquid level decreases and increases in the pump-compressor pipes. When the liquid level reaches the shoe as a result o

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15

Burakov, A. V., R. R. Khotsky, and L. G. Kuznetsov. "Selection and study of methods for implementing a diagnostic model for compressor stations of the rocket and space complex." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 9, no. 1 (2025): 72–82. https://doi.org/10.25206/2588-0373-2025-9-1-72-82.

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The article considers a compressed air system as an object of diagnosis, which is part of a complex of compressor equipment for the production, storage, and distribution of gases for spaceports providing launch vehicles. A model for diagnosing a reciprocating compressor as the main device for the production of compressed air is selected, based on the analysis of characteristic malfunctions. Vectors of the state of the elements of the compressed air system have been developed based on a variety of structural parameters characterizing the technical condition of the diagnostic object. It is propo

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16

Rohan, Bhalekar, and Gujar A. "A Comprehensive Study on Compressors Used in Vapor Compression Refrigeration Cycles." Recent Trends in Thermodynamics and Thermal Energy System 1, no. 1 (2025): 10–14. https://doi.org/10.5281/zenodo.15260642.

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<em>The vapor compression cycle (VCC) is a widely used refrigeration and air conditioning process, critical to various industries and domestic applications. The compressor is a central component of the VCC, responsible for increasing the pressure and temperature of the refrigerant vapor, thereby enabling the thermodynamic cycle. This paper presents a comprehensive study on different types of compressors used in VCCs, their working principles, design considerations, efficiency characteristics, recent technological advancements, and comparative performance analysis. Emphasis is placed on recipro

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17

Hough, D. "The Design, Selection, and Application of Reciprocating Compressors for Fuel Gas Service." Journal of Engineering for Gas Turbines and Power 117, no. 1 (1995): 88–93. http://dx.doi.org/10.1115/1.2812786.

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This paper describes the design and application of reciprocating compressors for fuel gas service. In fuel gas services and particularly power generation it is important to minimize all parasitic losses. Efficiency over a range of operating conditions requires sophisticated control systems and the paper describes the merits of each system and their effect on operating cost. Some of the important operational considerations are described together with major design features. The use of staging and the advantages of a modular approach to compressor design are also covered, which demonstrates the s

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18

Brusyanin, Dmitry, Andrey Ivanov, and Andrey Sedov. "SELECTION OF THE OPTIMAL AIR COMPRESSOR MODEL FOR USE IN THE DEPARTMENTS OF EMERCOM OF RUSSIA BY THE METHOD OF EXPERT ASSESSMENT OF TECHNICAL PARAMETERS." NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) 2024, no. 2 (2024): 31–38. http://dx.doi.org/10.61260/2307-7476-2024-2-31-38.

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For smooth operation, as well as effective and safe maintenance and repair of fire trucks, air compressors are used in fire and rescue units of the federal fire service of the State fire service of EMERCOM of Russia. The air piston compressor allows you to create the necessary air flow pressure for the operation of the pneumatic tool. Therefore, an urgent issue is the choice of a compressor model with optimal parameters. The paper evaluates the technical parameters of compressors by the method of expert evaluation. Based on the results of the assessment, the most significant parameters affecti

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19

Yu Dong, Xu, Li Cong, Lv Qiong Ying, Zhang Xin Ming, and Mu Guo Zhen. "The influence of the trailing edge angle of the micro centrifugal impeller on the performance of the centrifugal compressor." International Journal of Applied Electromagnetics and Mechanics 66, no. 4 (2021): 619–33. http://dx.doi.org/10.3233/jae-201590.

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In order to study the effect of the trailing edge sweep angle of the centrifugal impeller on the aerodynamic performance of the centrifugal compressor, 6 groups of centrifugal impellers with different bending angles and 5 groups of different inclination angles were designed to achieve different impeller blade trailing edge angle. The computational fluid dynamics (CFD) method was used to simulate and analyze the flow field of centrifugal compressors with different blade shapes under design conditions. The research results show that for transonic micro centrifugal compressors, changing the blade

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20

Lebedev, A. A., A. A. Aksenov, S. M. Lebedeva, A. Yu Petrov, and Minh Hai Nguyen. "Improving the reliability of the compressor unit using the wavelet transform method." E3S Web of Conferences 140 (2019): 05013. http://dx.doi.org/10.1051/e3sconf/201914005013.

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Centrifugal compressors are an integral part of modern production in such industries as gas transmission, oil refining, metallurgical, machine-building, mining, as well as in electric and heat power engineering. Interruptions in the operation or failures of compressors lead to decrease in profit or large material loss. Conditions should be created for the safe (stable) operation of centrifugal compressors. Surge is global (complete) loss of stability, an unacceptable phenomenon for a centrifugal compressor. Compressor surge protection must function during operation. The algorithms used to prot

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21

Palmer, Graham. "SYNTHETIC LUBRICANT DEVELOPMENTS INFLUENCE COMPRESSOR SELECTION." Industrial Lubrication and Tribology 41, no. 2 (1989): 7–9. http://dx.doi.org/10.1108/eb053393.

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22

Rohit, Kumar. "Design and Analysis of a High Speed Centrifugal Compressor for Aircraft Engine Application." Design and Analysis of a High Speed Centrifugal Compressor for Aircraft Engine Application 9, no. 1 (2024): 5. https://doi.org/10.5281/zenodo.10565920.

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This paper presents the design and analysis of a high-speed centrifugal compressor for aircraft engine applications. The compressor was designed to operate at a pressure ratio of 6.5 and a design speed of 70,000 RPM. The design process involved the selection of suitable impeller and diffuser geometries, as well as the determination of the optimal blade angles and chord lengths. The aerodynamic performance of the compressor was analyzed using computational fluid dynamics (CFD) simulations, and the structural integrity was evaluated using finite element analysis (FEA) simulations. The results of

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23

Raju, Panchal. "Design and Performance Evaluation of a Low-Cost Compressor for Cooling Applications." Recent Trends in Thermodynamics and Thermal Energy System 1, no. 1 (2025): 5–9. https://doi.org/10.5281/zenodo.15240986.

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<em>The demand for energy-efficient and cost-effective refrigeration and cooling solutions has led to significant interest in the development of low-cost compressors. This research investigates the design and performance of a low-cost compressor specifically tailored for cooling applications. The study focuses on key factors such as material selection, energy efficiency, and ease of manufacturing, with an emphasis on reducing production costs while maintaining an acceptable level of cooling performance. A comparative analysis with traditional compressors reveals potential trade-offs in terms o

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24

Nelson, S. A., Z. S. Filipi, and D. N. Assanis. "The Use of Neural Nets for Matching Fixed or Variable Geometry Compressors With Diesel Engines." Journal of Engineering for Gas Turbines and Power 125, no. 2 (2003): 572–79. http://dx.doi.org/10.1115/1.1563239.

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A technique which uses trained neural nets to model the compressor in the context of a turbocharged diesel engine simulation is introduced. This technique replaces the usual interpolation of compressor maps with the evaluation of a smooth mathematical function. Following presentation of the methodology, the proposed neural net technique is validated against data from a truck type, 6-cylinder 14-liter diesel engine. Furthermore, with the introduction of an additional parameter, the proposed neural net can be trained to simulate an entire family of compressors. As a demonstration, a family of co

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25

S, Shivani, Amar Murthy A, and Srinivas G. "Aerodynamic performance enhancement of centrifugal compressor using numerical techniques." F1000Research 13 (May 17, 2024): 480. http://dx.doi.org/10.12688/f1000research.145060.1.

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Background Centrifugal compressors are dynamic machines utilizing a rotating impeller, efficiently accelerate incoming gases, transforming kinetic energy into pressure energy for compression. They serve a wide range of industries, including air conditioning, refrigeration, gas turbines, industrial processes, and applications such as air compression, gas transportation, and petrochemicals, demonstrating their versatility. Designing a centrifugal compressor poses challenges related to achieving high aerodynamic efficiency, surge and choke control, material selection, rotor dynamics, cavitation,

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26

Gulbala Alasgarov, Gulbala Alasgarov, Alovsat Baghirov Alovsat Baghirov, and Shahriyar Baghirov Shahriyar Baghirov. "DIAGNOSTICS OF THE OPTIMAL OPERATING MODES OF GAS TURBINE COMPRESSOR STATIONS BASED ON THE ANALYSIS OF TECHNOLOGICAL PROCESSES." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 12, no. 01 (2022): 14–28. http://dx.doi.org/10.36962/pahtei1201202214.

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The article is dedicated to the analysis of the influence of the seasonally changing ambient temperature on the technological parameters of the compression process at a gas turbine compressor station for the transportation of natural and associated gas collected from oil and gas fields by an offshore subsea gas pipeline. As a result of the analysis, indicators of suction and discharge pressure, compressor capacity, ambient temperature during the summer and winter months were collected at each stage of a multi-unit two-stage compressor station. The indicators were divided into intervals, the nu

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27

Huntington, R. A. "Evaluation of Polytropic Calculation Methods for Turbomachinery Performance." Journal of Engineering for Gas Turbines and Power 107, no. 4 (1985): 872–76. http://dx.doi.org/10.1115/1.3239827.

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Performance calculations for centrifugal compressors have been based on polytropic analysis for many years. The basic polytropic equation, in which head is found from gas pressure, temperature, and compressibility factor at the end points of compression, is applied by virtually all engineers involved with turbomachinery design, selection, or operation. The problems and errors associated with this simple calculation method when applied to nonideal gases have long been recognized. Schultz [1] proposed a correction factor to the head equation to compensate for the errors. This “polytropic head fa

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28

Wang, Ziwei, Jie Cao, Keyan Chen, Baiyu Li, and Bin Li. "Research on Rotation/Curvature Correction Method of SA Turbulence Model for Numerical Simulation of Axial Compressor." Journal of Physics: Conference Series 2599, no. 1 (2023): 012012. http://dx.doi.org/10.1088/1742-6596/2599/1/012012.

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Abstract The strong rotation effect exists in the flow of compressors, but it is rarely considered in the common turbulence models used in numerical simulation. In addition, when the widely used turbulence model is applied to the numerical simulation of compressor flow, it often needs to be modified. In order to evaluate the applicability of various turbulence model modification methods in axial compressor flow simulation, and explore suitable modification methods. Based on the numerical simulation software ASPAC for axial flow compressor developed by our research group, three turbulence model

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29

Sytdykov, Maxim, Dmitry Brusyanin, and Juliya Abdullayeva. "IMPROVING THE EFFICIENCY OF FIRE EXTINGUISHING INSTALLATIONS BY SELECTING THE PREFERRED TYPE OF COMPRESSOR USING THE HIERARCHY ANALYSIS METHOD." Problems of risk management in the technosphere 2024, no. 3 (2024): 135–42. https://doi.org/10.61260/1998-8990-2024-3-135-142.

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Fire extinguishing installations are a complex system with many elements, the main of which are containers for extinguishing agents, gas cylinders, an internal combustion engine, a fire centrifugal pump, a compressor, shut-off valves, etc. The paper presents data on the selection of the most preferred type of compressor, which plays a major role in the displacement of extinguishing agents from fire extinguishing installations. The right choice of compressor, in our opinion, leads to more efficient and stable operation of the entire installation. In this regard, there is a need to conduct a com

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30

Bull, James, James M. Buick, and Jovana Radulovic. "Investigation of Working Fluid Performance through a Centrifugal Compression System." Applied Mechanics 3, no. 3 (2022): 815–29. http://dx.doi.org/10.3390/applmech3030048.

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Анотація:

Commonly, researchers have investigated many factors that impact the performance of air conditioning and refrigeration systems, such as varied cooling configurations, operating conditions and optimization of specific system components. Although there is an abundance of research detailing the importance of working fluid selection, very few studies focus on how the working fluid selection influences the performance of the individual components of the system, such as the compressor. In this paper, the performances of a selection of working fluids are compared through a centrifugal compressor usin

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31

Simonov, Nikolay, Igor Krivosheev, and Kirill Rozhkov. "Selection of parameters for design of engine, turbofan and turbocompressor consisting of turbofan and turbofan mixed flow." Perm National Research Polytechnic University Aerospace Engineering Bulletin, no. 79 (2024): 103–18. https://doi.org/10.15593/2224-9982/2024.79.09.

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The article considers the features of the selection of the main parameters in the design of turbofan and turbofan-type turbofans, turbofans and turbocompressors of the gas generator in their composition. In addition to the known methods, new methods are proposed for using generalized statistical dependencies, such as the ratio of the diametrical dimensions of the fan and fan turbine, compressor low pressure and turbine low pressure, compressor high pressure and turbine high pressure taking into account the degree of reactivity in the turbofan engine, as a dependence of takeoff and cruising thr

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32

UDDIN, KUTUB, TAKAHIKO MIYAZAKI, SHIGERU KOYAMA, and BIDYUT BARAN SAHA. "PERFORMANCE INVESTIGATION OF ADSORPTION–COMPRESSION HYBRID REFRIGERATION SYSTEMS." International Journal of Air-Conditioning and Refrigeration 21, no. 04 (2013): 1350024. http://dx.doi.org/10.1142/s2010132513500247.

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An analytical investigation on the performance of adsorption–compression hybrid refrigeration systems with two different cycle configurations, cascade type and subcool type has been performed. In the former type, a cascade condenser is used which works as a condenser for mechanical compression cycle and evaporator for adsorption cycle. In the latter type, an evaporative subcooler is used which subcool the fluid of mechanical compression cycle. The refrigerants examined for the mechanical compression cycle are R134a, R152a, R1234yf and R1234ze whereas ethanol is the refrigerant for the adsorpti

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33

Najafkulieva, Rabia. "COMPARATIVE EVALUATION OF RESISTANCE OF HEATING EXCHANGE APPARATUS FOR NEW CONSTRUCTIONS FOR GAS COMPRESSOR STATIONS." ETM - Equipment, Technologies, Materials 05, no. 01 (2021): 35–37. http://dx.doi.org/10.36962/etm0501202035.

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The main volume of gas produced in the Republic of Azerbaijan is formed in offshore fields. Some of this gas is transported to the shore, and the other part is used in gas-operated wells. In both cases, multi-stage compressors on SOCAR's balance sheet are used. In the process of compressing gas in compressor stations, its temperature rises (T = 115 ÷ 118 ℃) and it is important to cool it to T = 35 ÷ 38 ℃ before sending it to the outlet. The heat exchanger proposed by the authors differs in this respect by its simplicity and functional advantages. The article provides a comparative analysis of

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34

Deng, Geng Qing, and Rong Wang. "Foundation Design for Reciprocating Compressor." Applied Mechanics and Materials 190-191 (July 2012): 1282–85. http://dx.doi.org/10.4028/www.scientific.net/amm.190-191.1282.

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The problem of the foundation design of the reciprocation compressor with four cylinders is investigated. Some useful terms are retained, which include possible vibration modes, fatigue failures, environmental demands etc. The selection foundations are typical and commonly used in many industry plants. Cross references have been made to other parts of the paper at each design step in order to illustrate the utilization of previously derived formulae.

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Mochammad, Solichin, Young-Jin Kang, Yoojeong Noh, Sunhwa Park, and Byeongha Ahn. "Stable Hybrid Feature Selection Method for Compressor Fault Diagnosis." IEEE Access 9 (2021): 97415–29. http://dx.doi.org/10.1109/access.2021.3092884.

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36

Li, Kunshan. "Convolutional Neural Networks Combined with Machine Vision for Mechanical Compressor Defect Detection." Journal of Physics: Conference Series 2425, no. 1 (2023): 012039. http://dx.doi.org/10.1088/1742-6596/2425/1/012039.

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Abstract The study aims to detect the defects in the production line of compressor, promote the development of convolution neural network (CNN) in defect diagnosis and recognition, and expand the application of intelligent algorithm tools in the detection and recognition of defect and fault. The detection and recognition of the defects in the compressor workpiece were discussed based on the optimization of CNN. First, the active learning under the background of machine learning (ML) was introduced into the selection of sample training model for the annotation of massive data sets in diagnosing

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37

Kirk, R. G. "Evaluation of Aerodynamic Instability Mechanisms for Centrifugal Compressors—Part I: Current Theory." Journal of Vibration and Acoustics 110, no. 2 (1988): 201–6. http://dx.doi.org/10.1115/1.3269499.

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Current theories of calculating levels of aerodynamic excitation are reviewed and methods of applying these results to actual compressor designs are discussed in detail. Comparison of compressor stability for approximate modal aerodynamic excitation influence to published equations for static labyrinth seal cross-coupled stiffness is made to illustrate the influence of system damping on compressor stability. The results of analysis for six operating machines are presented to give further justification for the selection of the aerodynamic excitation model.

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38

Mubarakov, I. I., and A. B. Shigapov. "Influence of cooling air selections on the efficiency of a gas turbine installation." Power engineering: research, equipment, technology 22, no. 4 (2020): 16–23. http://dx.doi.org/10.30724/1998-9903-2020-22-4-16-23.

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A gas turbine installation (GTI) consists of 5 main parts: an input device, a compressor, a combustion chamber, a gas turbine, and an output device. In this work, due to the lack of sufficiently extensive information about stationary GTI, data from the characteristics of aviation GTI were partially used. The GTI operation efficiency is influenced by many factors, among which, apparently, the determining factor is the degree of air compression in the compressor π К . Of course, the compression ratio depends on the design scheme of the gas turbine, the type of fuel, the climatic conditions of op

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39

Rudenko, O. G., O. O. Bezsonov, O. G. Lebediev, and O. S. Romanyk. "Control of compressor station units using a fuzzy inverse model." Bionics of Intelligence 2, no. 91 (2018): 31–40. https://doi.org/10.30837/bi.2018.2(91).05.

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Existing and common statistical (RMSE, MAPE, MAE and others) and some information criteria (AIC, KIC, HQ, etc.) for selecting a perceptron model for forecasting are analyzed. Advantages and disadvantages of these criteria are discussed. In addition, the recently proposed new criteria, which have not yet become widespread, but which, according to the authors, have significant advantages are considered. Such criteria include direction accuracy criterion and its modification, directional symmetry and its modification, weighted information criterion and its adaptive modification. The considered mo

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40

Yang, Zhixi, Xianbin Li, and Jun Yang. "Approximate Compressor-Based Multiplier Design Methodology for Error-Resilient Digital Signal Processing." Journal of Circuits, Systems and Computers 29, no. 14 (2020): 2050233. http://dx.doi.org/10.1142/s0218126620502333.

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As many digital signal processing (DSP) applications such as digital filtering are inherently error-tolerant, approximate computing has attracted significant attention. A multiplier is the fundamental component for DSP applications and takes up the most part of the resource utilization, namely power and area. A multiplier consists of partial product arrays (PPAs) and compressors are often used to reduce partial products (PPs) to generate the final product. Approximate computing has been studied as an innovative paradigm for reducing resource utilization for the DSP systems. In this paper, a 4:

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41

Diadiun, T. V., A. V. Volkova, N. M. Kononenko, N. V. Teterych, O. V. Sevriukov, and L. S. Simonian. "Nebulizers in pulmonary physical therapy: market overview and selection criteria." Social Pharmacy in Health Care 10, no. 3 (2024): 74–85. https://doi.org/10.24959/sphhcj.24.331.

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Aim. To analyze the market of nebulizers used to provide physical therapy for patients with pulmonary diseases in Ukraine. Materials and methods. The study was based on scientific publications, data from the State Register of Medical Devices of Ukraine, data from the websites of pharmacy chains, and the results of a survey of pharmaceutical professionals. The research methods were scientific generalization, comparison, graphical and mathematical analysis, and questionnaires. Results. The data on the technical characteristics of modern nebulizers and the peculiarities of their use in physical t

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42

Kokoshko, Roman, Oleksandr Kril, and Bohdan Kril. "Selection of Functional Diagram of Air Multi-Compressor Control System." Energy Engineering and Control Systems 5, no. 1 (2019): 47–56. http://dx.doi.org/10.23939/jeecs2019.01.047.

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43

Almasi, A. "Optimum selection and design of reciprocating compressor for petroleum services." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 224, no. 1 (2009): 63–66. http://dx.doi.org/10.1243/09544089jpme296.

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Almasi, Amin. "Advances in driver selection and compressor arrangements of LNG plants." Australian Journal of Mechanical Engineering 9, no. 1 (2012): 75–83. http://dx.doi.org/10.1080/14484846.2012.11464619.

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45

Simon, J. S., L. Valavani, A. H. Epstein, and E. M. Greitzer. "Evaluation of Approaches to Active Compressor Surge Stabilization." Journal of Turbomachinery 115, no. 1 (1993): 57–67. http://dx.doi.org/10.1115/1.2929218.

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Recent work has shown that compression systems can be actively stabilized against the instability known as surge, thereby realizing a significant gain in system mass flow range. Ideally, this surge stabilization requires only a single sensor and a single actuator connected by a suitable control law. Almost all research to date has been aimed at proof of concept studies of this technique, using various actuators and sensor combinations. In contrast, the work reported here can be regarded as a step toward developing active control into a practical technique. In this context, the paper presents t

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46

Hou, Dali, and Xiaoran Wang. "A Multi-Strategy Optimized Framework for Health Status Assessment of Air Compressors." Machines 13, no. 3 (2025): 248. https://doi.org/10.3390/machines13030248.

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Air compressors play a crucial role in industrial production, and accurately assessing their health status is vital for ensuring stable operation. The field of health status assessment has made significant progress; however, challenges such as dataset class imbalance, feature selection, and accuracy improvement remain and require further refinement. To address these issues, this paper proposes a novel algorithm based on multi-strategy optimization, using air compressors as the research subject. During data preprocessing, the Synthetic Minority Over-sampling Technique (SMOTE) is introduced to e

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47

Degtyareva, T. S., and P. S. Perevalov. "Selection of the Method for Reciprocating Compressor Capacity Control When the Suction Gas Temperature Changes." Proceedings of Higher Educational Institutions. Маchine Building, no. 4 (745) (April 2022): 34–42. http://dx.doi.org/10.18698/0536-1044-2022-4-34-42.

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The article demonstrates the necessity of controlling the volumetric capacity of the fuel compressor to maintain a constant pressure at the inlet to the combustion chamber when the temperature of the gas at the suction is changing. The turbine consumption remains constant over time. The range of change in the reciprocating fuel compressor volumetric capacity is determined depending on the change in the intake gas temperature. The possibility of capacity regulation by changing the shaft speed and connecting an additional dead volume is considered. The available regulation depth is determined.

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48

Sawitri, Sawitri, Nelly Astuti Hasibuan, and Dito Putro Utomo. "Penerapan Metode Profile Matching Dalam Sistem Pendukung Keputusan Pemilihan Teknisi Terbaik." Building of Informatics, Technology and Science (BITS) 4, no. 2 (2022): 732–39. http://dx.doi.org/10.47065/bits.v4i2.2075.

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PT. Mitra Tunggal Perkasa is a distributor company engaged in the marketing of goods sales, the goods sold or marketed are heavy equipment types such as the Shark Komprssor machine. Maintenance on the compressor machine is usually carried out by a technician, in which case PT. Mitra Tunggal Perkasa selects the best technicians and also rewards technicians who will be the best alternative. The selection of the best compressor technician is done to help improve the technician's work power so that it becomes even better than the previous one. To assist the determination or selection in determinin

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49

Jin, Jia Qi, Guo Liang Sui, and De Ying Shen. "Research of Dynamic Performance of Reciprocating Compressor Valve." Advanced Materials Research 605-607 (December 2012): 1198–202. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.1198.

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The main duty of this paper is dynamic performance research of reciprocating compressor value. By theoretical analysis, obtaining the movement rules curves of value plate and analyzing selection principle of value characteristics parameters; By mathematical simulation, expounding initial conditions and boundary conditions.

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50

Yusha, V. L., S. S. Busarov, A. V. Nedovenchanyi, and M. V. Silkov. "An Analysis of the Influence of the Linear Hydraulic Drive Regulation Law on the Energy and Dynamic Characteristics of a Single-Stage Compressor Unit." Proceedings of Higher Educational Institutions. Маchine Building, no. 11 (716) (November 2019): 26–35. http://dx.doi.org/10.18698/0536-1044-2019-11-26-35.

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The significant unevenness of the instantaneous power of a piston compressor unit during its operating cycle creates certain problems in the selection and operation of drive engines, which are usually solved by installing a flywheel. In single-stage compressor units with linear drive based on low-speed long-stroke stages, the amplitude change in the gas force during the operating cycle is significantly higher compared to similar compressor units. This leads to such an increase in the amplitude change of the instantaneous power of the drive, that the use of a flywheel becomes impractical. The a

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