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Journal articles on the topic 'Compressor machine'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Stosic, N., I. K. Smith, and A. Kovacevic. "Opportunities for innovation with screw compressors." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 217, no. 3 (2003): 157–70. http://dx.doi.org/10.1177/095440890321700301.

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It is falsely considered, but widely accepted, that little can now be done to improve the screw compressor process and design. Screw compressors are indeed a mature product today and they form a highly competitive market, especially the oil-flooded air compressor. However, the simultaneous efforts of a large number of manufacturers have resulted in a compact and efficient oil-flooded screw compressor machine. Even small design details now tell the achievement of better compressor efficiency, and there is still some place left for implementation of new methods and procedures that will undoubted

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2

Trokoz, Ya Ye, P. O. Barabash, P. P. Kudelya, and O. B. Golubev. "Development and research of refrigeration cycle with biagent jet compressor." KPI Science News, no. 4 (February 14, 2022): 77–82. http://dx.doi.org/10.20535/kpisn.2021.4.252054.

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Background. Currently, in the cycles of steam-ejector refrigeration machines (SERM) are used monoagent jet compressors, the working body in which is water. Despite their low efficiency, SERM have a number of advantages over refrigeration machines that usemechanical compressors: low cost, ease of manufacture and reliability. The use of SERM is largely limited by the inability of these installations to reach temperatures below 0 °C. This limitation can be overcome by applying a fundamentally new steam compressioncycle using a bioagent (water-freon) jet compressor (BAJC).Objective. The purpose of

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3

Ramali, Muhammad Nazri, Tomi Abdilah, and Irwan Suyadi. "Analisa kerusakan bearing mesin kompresor sekrup boge tipe bs 102 nr 1023728." JURNAL PERSEGI BULAT 2, no. 1 (2023): 31–38. http://dx.doi.org/10.36490/jurnalpersegibulat.v2i1.933.

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A compressor is a machine for compressing air or gas. Air compressors usually suck airfrom the atmosphere. However, there are also those who suck in air or gas at a pressurehigher than atmospheric pressure. In this case the compressor works as a booster. On theother hand, there are also compressors that suck in gas at a lower pressure than atmosphericpressure. One of the problems with screw type compressor machines is overload, where thepower required by the compressor is less than the normal requirement, which forces themachine to work more than its capacity limits. In the end, this results i

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4

Danilishin, A. M., and Y. V. Kozhukhov. "Centrifugal Compressors Gas-Dynamic Characteristics Influence on the Refrigerating Machines Efficiency." Problems of the Regional Energetics, no. 2(58) (May 2023): 72–80. http://dx.doi.org/10.52254/1857-0070.2023.2-58-07.

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The article is devoted to the study R134a refrigerating machine efficiency and consisting of a centrifugal compressor, a condenser, a temperature-regulating valve and an evaporator. The main purpose of the work is to analyze the centrifugal compressor gas dynamic characteristics effect on the refrigeration machine vapor-compression cycle efficiency. This goal is achieved through the study by actual working process numerical experiment in the refrigeration machine centrifugal compressor with an idealized process for other elements. The object of the study are the refrigeration machine character

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Francesconi, Marco, Arianna Baldinelli, Luca Sani, and Marco Antonelli. "Experimental Characterization of Reversible Oil-Flooded Twin-Screw Compressor/Dry Expander for a Micro-Scale Compressed Air Energy Storage System." Energies 18, no. 2 (2025): 320. https://doi.org/10.3390/en18020320.

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The reversible use of a volumetric machine as a compressor and expander shows potential for micro-scale compressed air energy storage systems because of lower investment costs and higher operational flexibility. This paper investigates experimentally the reversible use of a 3 kW oil-flooded twin-screw compressor as an expander for a micro-scale compressed air energy storage system to assess its operation while minimizing operating costs and the need for adjustments. As a result, the oil injection was only implemented in the compressor operation since the oil takes part in the compression proce

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Bekirova, A. A. "Analysis of the frictional processes in piston machines." Azerbaijan Oil Industry, no. 04 (April 15, 2024): 54–60. http://dx.doi.org/10.37474/0365-8554/2024-04-54-60.

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The durable and reliable work of piston compressors and pumps used in the oil and gas industry has great importance for practice. Investigation of complex problems with respect to mechanical and thermodynamic phenomena in compressors and pumps gives the opportunity to solve the problems of increasing the durability of oil and gas exploitation and transportation. Increasing the efficiency and durability of the compressor-pump stations directly depends on the correct calculations and designing of the different elements and mechanical parameters of piston machines. The problem of determining the

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7

Jeon, Seung Hyun, Sarang Yoo, Yoon-Sik Yoo, and Il-Woo Lee. "ML- and LSTM-Based Radiator Predictive Maintenance for Energy Saving in Compressed Air Systems." Energies 17, no. 6 (2024): 1428. http://dx.doi.org/10.3390/en17061428.

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Air compressors are widely used in industrial fields. Compressed air systems aggregate air flows and then supply them to places of demand. These huge systems consume a significant amount of energy and generate heat internally. Machine components in compressed air systems are vulnerable to heat, and, in particular, a radiator to cool the heat of the overall air compressor is the core component. Dirty radiators increase energy consumption due to anomalous cooling. To reduce the energy consumption of air compressors, this mechanism emphasizes a machine learning-based radiator fault detection, usi

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Yusha, V. L. "Theoretical assessment of the effectiveness of application single-stage long-stroke piston compressors in refrigeration and hydrocarbon gas liquefaction systems." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 8, no. 1 (2024): 17–24. http://dx.doi.org/10.25206/2588-0373-2024-8-1-17-24.

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The analysis of the main modern technologies for obtaining low temperatures and liquefying hydrocarbons using compressor equipment is presented and the most significant results of research in the field of low-flow compressors based on low-speed, long-stroke piston stages are presented. A method for calculating an ideal vapor-compression refrigeration cycle is presented, adapted to the object under consideration, taking into account the possibility of implementing quasi-isothermal compression. A comparative computational analysis of temperature conditions and thermodynamic efficiency of a two-s

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9

Ojariafe, G. A. Bashir M. E. "Design and Fabrication of Compressed Air Storage using Spent Refrigerant Cylinder." Advances in Engineering Design Technology 5, no. 2 (2023): 55–64. https://doi.org/10.5281/zenodo.8150676.

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<em>The design and fabrication of compressed air storage system was carried out using recycled refrigerator compressor and refrigerant cylinder. Conventional air compressors used in vulcanizing employ environmentally unfriendly fossil fuel and or electricity which can be epileptic in supply in Nigeria. Therefore, this present research aimed to use alternative materials such as recycled refrigerant compressors and cylinders to produce a cheap DC-operated air compressing and storage unit. In doing so, two concepts were significant considered. The first concept was the use of a refrigerant compre

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10

Tri Haryono, Deni Arif Rahman Deni, Subekti Subekti, and Abdul Hamid. "Using a frequency vibration approach, examine the impact of screw rotor clearance on the screw housing in an 11kW compressor." JTTM : Jurnal Terapan Teknik Mesin 5, no. 1 (2024): 1–13. http://dx.doi.org/10.37373/jttm.v5i1.405.

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A screw compressor is one of the industrial machines needed for productivity and use in today's production. Industrial machines generally use pneumatic systems with the help of compressed air supplied by a compressor machine. The compressor working system must receive very special attention. Maintenance and prevention of damage to air screw compressor machines is very necessary, especially maintenance and prevention of damage to rotary screw air compressors. Problems that often occur with the shaft will result in reduced air supply flow or unstable air pressure resulting in disruption of the p

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Baroiu, Nicuşor, Viorel Păunoiu, Virgil Gabriel Teodor, Florin Susac, and Nicolae Oancea. "Geometrical analysis, for rapid prototyping, of the compressor’s helical conic rotor model." MATEC Web of Conferences 178 (2018): 02006. http://dx.doi.org/10.1051/matecconf/201817802006.

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The conical rotary compressor represents a solution for gases compression, for relatively small flow, in conditions of a superior energetic efficiency. Although the theoretical solution for the helical conical compressor was elaborated decades ago, a viable technology solution become possible at industrial level only after the development of machine tools with numerically controlled axes. In this paper is proposed a study, analytical and graphical, concerning the geometry of conical rotary compressor’s rotors, modelled by rapid prototyping technology. The propose modelling allow to elaborate v

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Lavrenchenko, G. K., and B. H. Hrudka. "INCREASING THE EFFICIENCY OF THE SYSTEMS OF COMPRESSOR-PUMPING AND REFRIGERATION UNITS SUPPLYING LIQUID CO2 AND NH3 TO THE UNIT FOR CARBAMIDE SYNTHESIS." Energy Technologies & Resource Saving, no. 3 (September 20, 2021): 23–32. http://dx.doi.org/10.33070/etars.3.2021.02.

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Carbon dioxide is used in large volumes to produce urea, a highly efficient nitrogen fertilizer. It is compressed in a multistage compressor to a pressure of 15 MPa and fed to the urea synthesis unit. The specific energy consumption for the compression of carbon dioxide by a compressor reaches 0.16 kWh/kg. It may be more profitable to use in the system of compressor-pumping and refrigeration units. They can be used to liquefy carbon dioxide and compress it to pressure 15 MPa before feeding it to the synthesis of urea. In the simplest scheme, an ammonia compression refrigeration machine (ACRM)

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Tretyakova, P. A., T. V. Germanova, and T. V. Tretyakova. "Improving energy efficiency at compressor stations using waste heat boilers at gas turbine plants." IOP Conference Series: Earth and Environmental Science 990, no. 1 (2022): 012052. http://dx.doi.org/10.1088/1755-1315/990/1/012052.

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Abstract Improving the energy efficiency of compressor stations is currently an urgent problem in the gas industry. Increasing the pressure of the transported gas by compression with the use of gas turbine units as a compressor drive is the most energy-intensive heat-and-power process. The article discusses modern methods of increasing the energy efficiency of compressor s tations with gas pumping units operating based on gas turbine plants by utilizing the heat of exhaust gases from gas turbine plants. A complex system is considered, which includes a gas pumping unit, a gas turbine unit, a wa

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14

Hanjalic´, K., and N. Stosˇic´. "Development and Optimization of Screw Machines With a Simulation Model—Part II: Thermodynamic Performance Simulation and Design Optimization." Journal of Fluids Engineering 119, no. 3 (1997): 664–70. http://dx.doi.org/10.1115/1.2819296.

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This paper presents a method for the design of twin screw compressors and expanders, which is based on a differential algorithm for defining the rotor profile and an analytical model of the fluid flow and thermodynamic processes within the machine. Part I of the paper presents a method for screw rotor profile generation which simplifies and improves design procedures. An example is given of its use in the development of a new “N” rotor profile, which is shown to be superior to other well-known types. Part II describes a numerical model of the thermodynamic and fluid flow processes within screw

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15

Lv, Qian, Xiaoling Yu, Haihui Ma, Junchao Ye, Weifeng Wu, and Xiaolin Wang. "Applications of Machine Learning to Reciprocating Compressor Fault Diagnosis: A Review." Processes 9, no. 6 (2021): 909. http://dx.doi.org/10.3390/pr9060909.

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Operating condition detection and fault diagnosis are very important for reliable operation of reciprocating compressors. Machine learning is one of the most powerful tools in this field. However, there are very few comprehensive reviews which summarize the current research of machine learning in monitoring reciprocating compressor operating condition and fault diagnosis. In this paper, the recent application of machine learning techniques in reciprocating compressor fault diagnosis is reviewed. The advantages and challenges in the detection process, based on three main monitoring parameters i

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16

BREBENEL, Marius. "An analytical method for simulation of centrifugal compressors." INCAS BULLETIN 12, no. 1 (2020): 35–49. http://dx.doi.org/10.13111/2066-8201.2020.12.1.4.

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A pure analytical method for modeling and simulation of centrifugal compressors based on parametric analysis of governing equations is proposed. It will be shown that the main equations describing the compressor operation along with some new hypotheses allow to determine the most useful off-design characteristics of the machine for a given geometry and for given performances at design (nominal) regime. As example of application, a compressor map is determined along with other important features like surge and choke lines, optimal regimes line and constant efficiency curves (efficiency islands)

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17

SĂVESCU, CLAUDIA, VALENTIN PETRESCU, DANIEL COMEAGĂ, IULIAN VLĂDUCĂ, CRISTIAN NECHIFOR, and FILIP NICULESCU. "VIBRATION ANALYSIS OF A TWIN-SCREW COMPRESSOR AS A POTENTIAL SOURCE FOR PIEZOELECTRIC ENERGY HARVESTING." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 68, no. 3 (2023): 253–58. http://dx.doi.org/10.59277/rrst-ee.2023.3.1.

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The paper presents the vibration spectra of a twin-screw compressor driven at various functioning regimes. The tests are performed to assess the potential of this rotary bladed machine as energy harvesting source. It is sought to determine the optimum spots on the compressor skid where piezoelectric harvesters can be placed, meeting the operational conditions. Like most of the industrial machinery, compressors exhibit inherent vibrations and heating during operation. The pulsatory effects of the compressed air trapped between the compressor’s male and female rotors inside the compressor also g

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Busarov, Sergey S., Marina A. Rashchupkina, and Dmitry R. Marchenko. "Study of working processes of reciprocating compressors of road-building machines." Russian Automobile and Highway Industry Journal 22, no. 1 (2025): 26–36. https://doi.org/10.26518/2071-7296-2025-22-1-26-36.

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Introduction. The article presents studies of the possibility of increasing gas pressure in one stage. Reciprocating compressors of road construction machines have been investigated, for which, as for any mobile stations, the issue of reducing the weight and size parameters of process equipment is acute. In this regard, the aim of the work was to expand the range of pressures obtained in single-stage piston machines. An alternative to the use of existing compressors with lubricated flow part can be compressors with seals based on fluoroplastic compounds that do not require liquid lubrication.

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Dalbert, P., B. Ribi, T. Kmeci, and M. V. Casey. "Radial compressor design for industrial compressors." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 213, no. 1 (1999): 71–83. http://dx.doi.org/10.1243/0954406991522194.

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Industrial centrifugal compressors have a very large field of applications in chemical, petrochemical and gas transport applications with an enormous variety of gases, pressure levels and suction volumes. This paper describes the special design features of this type of compressor and sheds light on a method of standardization to overcome the large diversity of machine types. It reviews the aerodynamic and thermodynamic aspects in the design of impellers and diffusers, discusses the importance of the stage matching and illuminates the effect of stage components on stability.

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20

Danh, Tran Huu, Le Hong Ky, Pham Hoang Anh, Dang Thanh Tam, and Nguyen Hoang Hiep. "Evaluation Strength of Materials of the Compressor Wheel and Engine Power in the Turbocharger." Engineering, Technology & Applied Science Research 14, no. 4 (2024): 15734–38. http://dx.doi.org/10.48084/etasr.7891.

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This paper presents the research results on the strength of materials and power of the Toyota 3C engine when changing the structure and number of blades of the compressor wheel in the turbocharger. 3D models of different compressor wheels were created using reverse engineering and then simulated in the ANSYS environment with turbine shaft rotation speeds of 10,000, 15,000, and 20,000 rpm, respectively, to examine the strength of the compression wheel materials. To evaluate engine power, compressor wheels were machined on a 5-axis CNC milling machine. The MP 100S specialized test bed was used t

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Shcherba, V. E., A. Khait, E. A. Pavlyuchenko, and I. Yu Bulgakova. "Development and Research of a Promising Pumpless Liquid Cooling System for Reciprocating Compressors." Energies 16, no. 3 (2023): 1191. http://dx.doi.org/10.3390/en16031191.

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A new pumpless liquid cooling system for a single-stage two-cylinder reciprocating compressor has been developed from the analysis of work processes and cooling systems of reciprocating compressors, where one piston compresses and moves gas and coolant in the cooling system. The intensification of the coolant movement increases in the machine, which can reduce the temperature of the cylinder–piston group and increase the indicator efficiency and the compressor feed rate. A mathematical model of working processes in a reciprocating compressor and its cooling system has been developed on the bas

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Shcherba, V. E., Nosov E.Y., A. S. Tegzhanov, A. M. Paramonov, V. N. Blinov, and V. I. Surikov. "An Experimental Study of a Crossheadless Piston Hybrid Power Positive Displacement Machine with Intensive Cooling of the Compressed Gas." Proceedings of Higher Educational Institutions. Маchine Building, no. 10 (715) (October 2019): 78–85. http://dx.doi.org/10.18698/0536-1044-2019-10-78-85.

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Piston hybrid power machines combining the functions of a compressor and a pump in one unit have become widespread, with a new class of machines that do not have a crosshead currently under development. A prototype of such a machine was designed and manufactured based on the new concept of a crossheadless piston hybrid power machine. A plan for conducting a series of experimental studies was developed. The experimental studies confirmed the feasibility of the prototype in the entire range of independent operating parameters (discharge pressure in the compressor section, discharge pressure in t

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Tyczewski, Przemysław, and Jarosław Chmiel. "The Influence of Liquid Refrigerant on Refrigerating Compressors Sliding Surfaces." Solid State Phenomena 252 (July 2016): 111–20. http://dx.doi.org/10.4028/www.scientific.net/ssp.252.111.

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Reasons of compressors failures are connected with different operating conditions of individual parts. One of compressor damage reasons is pouring it over with liquid refrigerant. The purpose of this work was to carry out tests concerning the influence of refrigerant being in the liquid phase on piston compressor sliding surfaces. Tests were carried out in the mixture of synthetic polyester oil with liquid refrigerant R134a. The tests were performed with the use of the friction machine and the pair type block-on-ring simulating the refrigerating compressor inside and with the use of the real r

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Batayev, Nurlan. "Axial compressor fouling detection for gas turbine driven gas compression unit." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 3 (2019): 1257. http://dx.doi.org/10.11591/ijeecs.v15.i3.pp1257-1263.

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<span>One of the main reasons of the performance degradation of gas turbines is the axial compressor fouling due to air pollutants. Considering the fact that the fouling leads to high consumption of fuel, reducing of the axial compressor’s discharge air pressure and increasing of the exhaust temperature, thus designing a compressor degradation detection system will allow prevent such issues. Many gas turbine plants lose power due to dirty axial compressor blades, which can add up to 4% loss of power. In case of power plants, the power loosing could be observed by less megawatts produced

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Kusbandono, Wibowo. "The Effect of Water Impact on the Refrigerant Pipeline between Compressor and Condensor on COP and Efficiency of Cooling Machine." International Journal of Applied Sciences and Smart Technologies 3, no. 2 (2021): 203–14. http://dx.doi.org/10.24071/ijasst.v3i2.3822.

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The purpose of this research is (a) to design and assemble a steam compression cycle cooling machine using the main components on the market (b) to obtain the characteristics of the cooling engine, which includes the Coefficient of Performance (COP) and the efficiency of the cooling engine. The research was conducted experimentally in the laboratory. The refrigeration machine works by using a steam compression cycle, with the main components: a compressor, an evaporator, a capillary tube and a condenser. The compressor power is 1/6 PK, while the other main components are adjusted to the size o

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Wijanarko, Heri, Sugihandoko, and Sukahar. "PENGARUH PENGGUNAAN EXPANSION VALVE BERBAHAN DASAR MATERIAL DENGAN KONDUKTIVITAS RENDAH TERHADAP PERFORMA AC MOBIL DINAS TNI-AD JENIS ISUZU PANTHER DENGAN VARIASI BEBAN PENDINGINAN." JURNAL MEKANIKASISTA 11, no. 1 (2023): 11–24. https://doi.org/10.63824/jtmp.v11i1.140.

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Comfort in a vehicle usually uses an air conditioning system. AC is a type of machine that works following a thermodynamic cycle, namely the vapor compression cycle. A refrigeration machine depends on the ability of the compressor to meet the amount of refrigerant gas that needs to be circulated. The compressor is a tool for pumping cooling material (refrigerant) so that it continues to circulate in the system. The performance of the car's AC compressor is controlled by the thermostat, where the thermostat signals whether it is active or not active depending on whether the temperature in the c

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Isaac, Acheampong Kwabena, Joseph Dabie, and Abukari Abdul-Somed. "The Experimental Design of a Spring Coil Compressor Remover for Automobile." European Modern Studies Journal 8, no. 2 (2024): 470–86. http://dx.doi.org/10.59573/emsj.8(2).2024.41.

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This study examined various types of coil spring compressors in the automobile industry. A coil spring compressor for compressing a coil spring during the assembly of subassemblies of automotive suspension systems, having a head jaw positioned above a base and movable concerning the base. The coil spring compressor is provided with a pair of guide bars suspended from the head plate and on which a slidable carriage is mounted. The carriage carries a pair of compressing assemblies facing each other in vertical positions and positioned at both the upper and lower parts of the coil spring. Each as

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Carrattieri, Lorenzo, Carlo Cravero, Davide Marsano, and Emiliano Valenti. "The use of Approximate Entropy analysis for flow pattern identification in radial compressors to detect instable operating conditions." Journal of Physics: Conference Series 2893, no. 1 (2024): 012127. https://doi.org/10.1088/1742-6596/2893/1/012127.

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Abstract This study uses a statistical analysis on given pressure signals to identify the surge condition in radial compressors, providing insight into their dynamics and performance. Specifically, the investigation focuses on a two-stage centrifugal compressor used in refrigeration applications. Through Computational Fluid Dynamics (CFD) Unsteady Reynolds-Averaged Navier-Stokes (URANS) simulations, static pressure time-series are collected to cover four distinct operational points of the machine, ranging from a stable condition to an unstable one. To assess the stability of the compressor ope

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Sheng, Xiao Ming, Xue Wu Hu, and Yang Yang. "Piston Air Compressor Based on Symmetrical Double-Crank Link Mechanism." Applied Mechanics and Materials 433-435 (October 2013): 2184–87. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.2184.

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Machine vibration, noise and cylinder barrel wearing are produced when ordinary piston air compressor driven by crank link mechanism is working. Piston air compressor driven by double-crank link mechanism is proposed in this paper to eliminate these problems. Secondary pressurized double-acting air compressor and two-stage double-acting air compressor based on symmetrical double-crank link mechanism are designed in this paper to increase air compressors output pressure and flow rate and to achieve output control of low pressure high flow and high pressure low flow. It can remove effects genera

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Niccolini Marmont Du Haut Champ, Carlo Alberto, Aristide Fausto Massardo, Mario Luigi Ferrari, and Paolo Silvestri. "Surge prevention in gas turbines: an overview over historical solutions and perspectives about the future." E3S Web of Conferences 113 (2019): 02003. http://dx.doi.org/10.1051/e3sconf/201911302003.

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The aim of the present work is to retrace experimental, analytical and numerical analyses which deal with compressor instability phenomena, such as rotating stall and surge. While the first affects only the machine itself, the second involves the whole energy system. Surge onset is characterized by strong pressure and mass flow rate fluctuations which can even lead to reverse flow through the compressor. Experimental studies on prevention of axial compressor fluid dynamic instabilities, which can be propagated and eventually damage the solid structure, have been carried out by many authors. Th

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Eludu D.O, Eludu D. O., Ezeofor C. J. Ezeofor C.J, and Asianuba I. B. Asianuba I.B. "Design and Simulation of an Optimized Anti-Surge Adaptive Control System for Centrifugal Compressors in Gas Facilities." International Journal of Pharmaceutical Research and Applications 09, no. 05 (2024): 858–66. https://doi.org/10.35629/4494-0905858866.

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This research enhances an adaptive control system for centrifugal compressors using MATLAB Simulink software, concentrating on gas facilities such as refineries and natural gas processing plants. Centrifugal compressors, crucial for these processes, are susceptible to surges induced by variable gas demands and operational disruptions, which, if not managed properly, might lead to compressor damage. An improved anti-surge adaptive control system was developed and simulated, using sophisticated optimization methods and adaptive control algorithms to monitor operational circumstances, predict sur

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Lu, Kui, Ibrahim A. Sultan, and Truong H. Phung. "A Literature Review of the Positive Displacement Compressor: Current Challenges and Future Opportunities." Energies 16, no. 20 (2023): 7035. http://dx.doi.org/10.3390/en16207035.

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Positive displacement compressors are essential in many engineering systems, from domestic to industrial applications. Many studies have been devoted to providing more insights into the workings and proposing solutions for performance improvements of these machines. This study aims to present a systematic review of published research on positive displacement compressors of various geometrical structures. This paper discusses the literature on compressor topics, including leakage, heat transfer, friction and lubrication, valve dynamics, port characteristics, and capacity control strategies. Mor

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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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Shcherba, V. E., A. V. Zanin, and E. A. Pavlyuchenko. "Analysis of Liquid Piston Compressibility in the Two-Stage Hybrid Positive-Displacement Machine." E3S Web of Conferences 320 (2021): 04001. http://dx.doi.org/10.1051/e3sconf/202132004001.

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The effect of liquid compressibility in the two-stage piston hybrid positive-displacement machine with a liquid piston was considered. Based on the volume conservation equation, we developed a calculus methodology for the liquid compressibility during gas compression in the second stage of the compressor section. A numerical experiment made it possible to establish that some parameters have the greatest effect on the relative decrease in the height and velocity of the liquid layer. These parameters are the degree of pressure ratio; pipeline length; the polytropic index of the compression; the

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Shestopalov, K. O., O. Ya Khliyeva, V. O. Ierin, O. I. Konstantinov, M. N. Kozminykh, and O. M. Stukalenko. "ANALYSIS OF THE ENERGY EFFICIENCY OF TECHNICAL SOLUTIONS OF THE HEAT-DRIVEN SHIP EJECTOR REFRIGERATION MACHINE FOR OBTAINING SUB-ZERO TEMPERATURES." Energy Technologies & Resource Saving 80, no. 3 (2024): 108–18. http://dx.doi.org/10.33070/etars.3.2024.07.

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Marine refrigeration machines are responsible for large amounts of electricity consumption, as well as direct emissions of high global warming potential (GWP) refrigerants, so they need to be gradually upgraded. The possibility of using a ship ejector refrigeration machine with two-stage compression, consuming waste heat, as well as a cascade compression-ejector refrigeration machine to obtain the temperatures of minus 28–27 °C was analyzed. It was shown that the traditional indicator of the efficiency of heat-driven refrigeration machines COPtherm ot be recommended for the selection of energy

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Patel, Ghanshyam, Dr Imran A. Khan, Prajwal Barse, Harshit Kunwar, Manish Hiraskar, and Roshan Satpute. "Designing of Scrap Minimizer Machine." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (2022): 1773–78. http://dx.doi.org/10.22214/ijraset.2022.41603.

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Abstract: Many industries have a small floor space for keeping different types of machines. Most of the floor space are consumed by huge amount of waste and leftovers after the machining process has been carried out on the work piece. Specially focusing on the waste from the lathe machine, they are in the form of spiral chips. These chips (turning) from the lathe have huge volume and less weight, which is responsible in consumption of large amount of floor space. Taking this thought in head a machine was designed whose main work is to reduce the volume of chip. While using motor power of lead

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Gannon, Anthony J., and Garth V. Hobson. "Performance Testing on Transonic Rotors." Mechanical Engineering 132, no. 08 (2010): 52–53. http://dx.doi.org/10.1115/1.2010-aug-8.

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This article discusses the performance testing of transonic rotors at the Turbopropulsion Laboratory at the Naval Postgraduate School. The Mach number is one of the most important parameters in the case of high-speed compressors. In order to limit power consumption in a test machine, the simplest change is to scale down the machine. A second concept to reduce the power consumption of the machine once it has been scaled down is to throttle the flow before the rotor rather than after it. As a high-speed rotor compresses the incoming air by around 1.4–1.6 times, the air leaving it is appreciably

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Jaeschke, Andrzej, and Grzegorz Liśkiewicz. "Sensitivity Study of Greitzer Model Based on Physical System Parameters of Radial Compressing Units." Energies 13, no. 19 (2020): 5111. http://dx.doi.org/10.3390/en13195111.

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Centrifugal compressors are key elements of energy systems and industrial installations including fluid flow. Their operating range is strictly limited by the surge phenomenon. The Greitzer model is a known way of simulating the compressor’s behaviour at the surge. In this paper, the parametric study of different versions of the Greitzer model is conducted. There are several versions of this model that include 4 to 2 equation models. The system behaviour depends on the features of the compressor itself as well as of the plenum. In this paper, all terms connected with the compressor were groupe

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J. m. Tahir, Shivan, and Erhan AKIN. "Predictive Maintenance of Compressor Using ThingSpeak IoT Platform." International Journal of Scientific Research and Management 9, no. 06 (2021): 604–10. http://dx.doi.org/10.18535/ijsrm/v9i06.ec01.

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Any instrument or machine that needs to be monitored and inspected on a regular basis to ensure its long life and proper maintenance. Machine condition monitoring in the time and frequency domain is unquestionably required to ensure reliability. Condition monitoring is a method of observing a machine's condition parameter (vibration, temperature and etc.), with the explicit objective of detecting a substantial change that could indicate the onset of a malfunction It's an important part of compressor predictive maintenance and lowering compressor downtime. In today's world, the Internet of Thin

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Wang, Yuan, and Shaolin Hu. "Design and realization of compressor data abnormality safety monitoring and inducement traceability expert system." PLOS ONE 20, no. 1 (2025): e0315917. https://doi.org/10.1371/journal.pone.0315917.

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Centrifugal compressors are widely used in the oil and natural gas industry for gas compression, reinjection, and transportation. Fault diagnosis and identification of centrifugal compressors are crucial. To promptly monitor abnormal changes in compressor data and trace the causes leading to these data anomalies, this paper proposes a security monitoring and root cause tracing method for compressor data anomalies. Additionally, it presents an intelligent system design method for fault tracing in compressors and localization of faults from different sources. This method starts from petrochemica

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Li, Chang Zheng, and Yong Lei. "Compressor Surge Detection Based on Support Vector Data Description." Applied Mechanics and Materials 152-154 (January 2012): 1545–49. http://dx.doi.org/10.4028/www.scientific.net/amm.152-154.1545.

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Axial flow compressors work as an indispensable device in industry fields. Surge is a phenomenon of aerodynamic instability, which characterized by disruption of flow. When a compressor works in surge state, the vibration is so intense that it may causes accidents. Detecting surge timely and accurately not only insure safety of compressors but also is a key of active control of aerodynamic instability. Support vector data description (SVDD) is a one-class classification method developed based on the theory of support vector machine (SVM). In this paper, we introduce SVDD into the field of comp

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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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Medina, Ruben, René-Vinicio Sánchez, Diego Cabrera, et al. "Scale-Fractal Detrended Fluctuation Analysis for Fault Diagnosis of a Centrifugal Pump and a Reciprocating Compressor." Sensors 24, no. 2 (2024): 461. http://dx.doi.org/10.3390/s24020461.

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Reciprocating compressors and centrifugal pumps are rotating machines used in industry, where fault detection is crucial for avoiding unnecessary and costly downtime. A novel method for fault classification in reciprocating compressors and multi-stage centrifugal pumps is proposed. In the feature extraction stage, raw vibration signals are processed using multi-fractal detrended fluctuation analysis (MFDFA) to extract features indicative of different types of faults. Such MFDFA features enable the training of machine learning models for classifying faults. Several classical machine learning mo

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A.Rahman, Farihana, Syarfadila Ezurida Shaari, and Brenda Anak Norbert Rabar. "SAGO STARCH COMPRESSING MACHINE: INCREASING THE PRODUCTIVITY WITH NEW CONCEPT." International Journal of Innovation and Industrial Revolution 3, no. 7 (2021): 10–18. http://dx.doi.org/10.35631/ijirev.37002.

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Sago is the staple food of Melanau in Sarawak. Sago is sourced from Pokok Rumbia or known as Pokok Sagu which is widely found in the interior of the forest. Pokok Rumbia is a kind of palm tree found in Malaysia and Indonesia forests. Among the products of sago trees is wet sago starch or ‘Lemantak’. Wet sago starch is still traditionally produced by Small and Medium Enterprises (SMEs). By utilizing the compressed air produced using the single-acting cylinder from a pneumatic system, the sago starch is compressed with 1.5 horsepower. Through careful selections of concepts, the final selected co

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Khawarita, Siregar, Syahputri Khalida, Rahmi M. Sari Anizar, Rizkya Indah, and M. Tambunan Mangara. "Effectiveness of compressor machine by using overall equipment effectiveness (OEE) method." E3S Web of Conferences 73 (2018): 05007. http://dx.doi.org/10.1051/e3sconf/20187305007.

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Overall equipment effectiveness (OEE) is performance measure for machine/equipment effectiveness [1]. The effectiveness of machine/equipment will affect the productivity. PT Y is a company engaged in crude oil and natural gas production. Various obstacles are faced by PT Y in the course of its production, one of which is the problem of the productivity from every production process. Based on historical data from September 2016 - February 2017, the percentage of compressor's breakdown is above 20%. The company wants the upper limit of machines' breakdown only reached 10% for each period of prod

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Salim, Khiat, Rahal Sidi Ahmed Hebri, and Senaï Besma. "Classification Predictive Maintenance Using XGboost with Genetic Algorithm." Revue d'Intelligence Artificielle 36, no. 6 (2022): 833–45. http://dx.doi.org/10.18280/ria.360603.

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This study develops a condition classification system of compressor 103J and water pump systems which are key equipment in the ammonia production line, hence the monitoring of these two very important machines. In recent years, there are many good intelligent machine learning algorithms and XGboost is one of them. However, it contains many parameters and classification performance of the model will be greatly affected by the selection of parameters and their combination technique. In this paper, XGboost algorithm is combined with the genetic algorithm, called GA-XGboost, in order to find the b

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Zein, Ikramullah, Dewi Mulyati, and Ilham Saputra. "Perencanaan Perawatan Mesin Kompresor Pada PT. Es Muda Perkasa Dengan Metode Reliability Centered Maintenance (RCM)." Jurnal Serambi Engineering 4, no. 1 (2019): 383. http://dx.doi.org/10.32672/jse.v4i1.848.

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Compressor at PT. Es Muda Perkasa that commonly failure is at unit D. So that need to optimize the compressor at unit D with finding the failure of the parts of the compressor and making the schedule of maintenance program to minimize the failure of the ice machine. This study using Reliability Centered Maintenance (RCM) method, which applicate Grey FMEA to determine the priority of the machine maintenance. After conducting and implementing the RCM method, it was found that the failure occurs at Low-Pressure and High-Pressure Pump at compressor unit D, and sub-part failure happen on bearing, d

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Ferragina, Paolo, Giovanni Manzini, Travis Gagie, et al. "Improving matrix-vector multiplication via lossless grammar-compressed matrices." Proceedings of the VLDB Endowment 15, no. 10 (2022): 2175–87. http://dx.doi.org/10.14778/3547305.3547321.

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As nowadays Machine Learning (ML) techniques are generating huge data collections, the problem of how to efficiently engineer their storage and operations is becoming of paramount importance. In this article we propose a new lossless compression scheme for real-valued matrices which achieves efficient performance in terms of compression ratio and time for linear-algebra operations. Experiments show that, as a compressor, our tool is clearly superior to gzip and it is usually within 20% of xz in terms of compression ratio. In addition, our compressed format supports matrix-vector multiplication

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Giannini, Samuele, Mattia Straccia, Philipp von Jeinsen, Sagnik Banik, and Volker Gümmer. "Numerical investigation of the potential of multi-row optimization of an axial compressor stage with a tandem vane stator." Journal of the Global Power and Propulsion Society 8 (August 13, 2024): 282–94. http://dx.doi.org/10.33737/jgpps/187746.

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In the published literature, there are a few examples of axial compressors designed with tandem vanes, aimed to increase the maximum loading of the machine. It appears that the advantages of employing tandem vanes are overruled by additional problems arising in real compressor applications. Phenomena such as the increase in endwall and secondary losses prevent tandem vanes from being widely employed in current commercial engine designs. In this work, the airfoil geometries of the IGV, rotor, and the shrouded tandem stator of a highly loaded axial compressor stage are improved in a combined opt

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Kokh, A. V., and A. R. Khafizov. "USAGE OF TECHNICAL MEANS FOR ANNULAR GAS EXTRACTION TO INCREASE OIL WELL PRODUCTION." Problems of Gathering Treatment and Transportation of Oil and Oil Products, no. 3 (July 3, 2024): 110–19. http://dx.doi.org/10.17122/ntj-oil-2024-3-110-119.

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In recent years, the technology of annular gas extraction from wells has become increasingly widespread in the fields in order to improve the working conditions of the submersible pump due to increasing its filling and supply coefficients, as well as increasing depression on the formation. Some types of compressor designs have been developed and put into production, allowing the annular gas extraction from wells and forced injection into the pressure line of the well. One of the most well-known types of compressors is a piston pair driven by a piston from a rocking machine balancer. They were

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