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Journal articles on the topic 'Pump machinery'

Author: Grafiati

Published: 28 July 2024

Last updated: 31 July 2025

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1

Zheng, Xiaofeng, and Kai Zhou. "Internal flow field changes and cavitation characteristics research of the high-pressure axial plunger pump." Journal of Physics: Conference Series 2730, no. 1 (2024): 012043. http://dx.doi.org/10.1088/1742-6596/2730/1/012043.

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Abstract High pressure axial piston pumps have the characteristics of high power density, small volume and high integration degree and are used in coal machinery, construction machinery and other industrial fields. However, the cavitation impact of the oil flow field inside the pump directly affects the performance and stability of the plunger pump. Once the fault occurs, it will cause the equipment to stop, threatening the life of the current personnel. Taking the axial piston pump as the research object, this paper conducts a numerical simulation analysis of part of the basin model in the pi

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2

Zhu, Yu, Lin Zhou, Shuaishuai Lv, et al. "Research Progress on Identification and Suppression Methods for Monitoring the Cavitation State of Centrifugal Pumps." Water 16, no. 1 (2023): 52. http://dx.doi.org/10.3390/w16010052.

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Cavitation is a detrimental phenomenon in hydraulic machinery, adversely impacting its performance, inducing vibration and noise, and leading to corrosion damage of overflow components. Centrifugal pump internal cavitation will lead to severe vibration and noise, and not only will the performance of hydraulic machinery be adversely affected but the impact generated by the collapse of the vacuole will also cause damage to the impeller wall structure, seriously affecting the safety of the equipment’s operation. To prevent the generation and development of internal cavitation in centrifugal pumps

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3

Brini, Marisa, and Ernesto Carafoli. "Calcium Pumps in Health and Disease." Physiological Reviews 89, no. 4 (2009): 1341–78. http://dx.doi.org/10.1152/physrev.00032.2008.

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Ca2+-ATPases (pumps) are key actors in the regulation of Ca2+ in eukaryotic cells and are thus essential to the correct functioning of the cell machinery. They have high affinity for Ca2+ and can efficiently regulate it down to very low concentration levels. Two of the pumps have been known for decades (the SERCA and PMCA pumps); one (the SPCA pump) has only become known recently. Each pump is the product of a multigene family, the number of isoforms being further increased by alternative splicing of the primary transcripts. The three pumps share the basic features of the catalytic mechanism b

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4

Yan, Qiufeng, Yongkang Yin, Wanting Sun, and Jun Fu. "Advances in Valveless Piezoelectric Pumps." Applied Sciences 11, no. 15 (2021): 7061. http://dx.doi.org/10.3390/app11157061.

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Piezoelectric pump design is regarded as a hot research topic in the microfluidic field, and has been applied in liquid cooling, precision machinery and other relevant domains. The valveless piezoelectric pump becomes an important branch of the piezoelectric pump, because it successfully avoids the problem of “pump-lagging of valve” during the valve piezoelectric pump processing. This paper summarizes the development of valveless piezoelectric pumps, and introduces some different configurations of valveless piezoelectric pumps. The structure and material of all kinds of valveless piezoelectric

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5

Moshnoriz, Mykola, Andrii Tkachuk, Mariya Moshnoriz, and Oleksandr Gribovskij. "Efficiency of electric drive of a centrifugal pump unit." Naukovij žurnal «Tehnìka ta energetika» 15, no. 4 (2024): 94–105. https://doi.org/10.31548/machinery/4.2024.94.

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The study was carried out to analyse ways to improve the efficiency of the electric drive of a centrifugal pumping unit and to determine the optimal approaches to its energy-efficient operation. Efficiency analysis, experimental studies and theoretical models were employed to assess the impact of technologies on the energy consumption of pumping units. The study determined that the use of frequency control can significantly reduce energy consumption during the operation of a centrifugal pumping unit, especially under variable load conditions. The highest efficiency is achieved when the pump op

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6

Ji, Shengfei, Wei Li, Yong Wang, Bo Zhang, and See-Kiong Ng. "A Soft Sensor Model for Predicting the Flow of a Hydraulic Pump Based on Graph Convolutional Network–Long Short-Term Memory." Actuators 13, no. 1 (2024): 38. http://dx.doi.org/10.3390/act13010038.

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The hydraulic pump plays a pivotal role in engineering machinery, and it is essential to continuously monitor its operating status. However, many vital signals for monitoring cannot be directly obtained in practical applications. To address this, we propose a soft sensor approach for predicting the flow signal of the hydraulic pump based on a graph convolutional network (GCN) and long short-term memory (LSTM). Our innovative GCN-LSTM model is intricately designed to capture both spatial and temporal interdependencies inherent in complex machinery, such as hydraulic pumps. We used the GCN to ex

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Fajardo, Arthur, Charleen Grace Deniega, Fatima Joy Raytana, Marie Jehosa Reyes, Jerson Jose Menguito, and Yaminah Mochica Pinca. "Performance of Different Pumps and Pump Sets for Agricultural Applications Tested by the Agricultural Machinery Testing and Evaluation Center, Philippines." Philippine Journal of Agricultural and Biosystems Engineering 19, no. 2 (2023): 3–15. http://dx.doi.org/10.48196/019.02.2023.01.

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In the Philippines, different sizes and types of pump sets are utilized for shallow tubewells (STW) and low-lift pumps (LLP). Filipino farmers used STW and LLP as main or supplementary sources of irrigation. This study aimed to evaluate the performance of agricultural pumps and pump sets tested by the Agricultural Machinery Testing and Evaluation Center (AMTEC) from 1989 to 2022, based on Philippine Agricultural Engineering Standards (PAES) 115:2000. A total of 486 centrifugal pump sets and 341 bare pumps were used in the study. The selected sizes for both bare pump and pump set (engine-powere

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8

Jayaswal, Bharat, Smita S. Agrawal, Swati Jain, Ravi Singh, Kashyap Kashyap, and Prakrut Chauhan. "Predictive Maintenance System for Rotating Machinery Onboard Ships for Detecting Performance Degradation." Scalable Computing: Practice and Experience 24, no. 4 (2023): 1231–40. http://dx.doi.org/10.12694/scpe.v24i4.2016.

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Maintenance of rotating machinery is crucial for extending the lifespan and increasing the reliability of equipment onboard ships. Presently, breakdown and preventive methodologies are used for the maintenance of equipment. Further, dataloggers collect critical machinery parameters, and parameter data is used for real-time parameter monitoring. The availability of such extensive monitoring data has also led to the adoption predictive maintenance methodologies in the industry, wherein machine learning-based analysis of recorded data is used to predict impending defects and prompt required maint

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9

MU, Hongyun, Yanlei LUO, and Yu LUO. "Electro-Hydraulic Load-Sensitive Simulation Study of Walking Hy-draulic System of Electric Agricultural Machinery." Mechanics 28, no. 6 (2022): 481–89. http://dx.doi.org/10.5755/j02.mech.31470.

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The conventional load-sensitive hydraulic drive chassis system for agricultural machinery uses a combination of engine and load-sensitive pump, which cannot adjust the control strategy according to the working conditions. It does not meet the current trend of energy-saving and emission reduction. To this end, an electro-hydraulic load-sensitive hydraulic drive chassis system for agricultural machinery, which uses a combination of permanent magnet synchronous motor and quantitative pump, is proposed. A variable LS differential pressure control and a variable differential pressure control of the

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10

Kuleshkov, Yuriy, Mykhailo Krasota, Timofey Rudenko, ,. Ruslan Osin, and Yuriy Evseichik. "Radial Clearance in Gear Pump Hydraulic Systems of Auto and Tractor Machinery Forming Features." Central Ukrainian Scientific Bulletin. Technical Sciences 1, no. 6(37) (2022): 23–29. http://dx.doi.org/10.32515/2664-262x.2022.6(37).1.23-29.

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The research goal is the analysis of the existing radial clearance forming method in gear pump details connection “body – gear teeth”, which provides the minimal size of radial clearance with the low accuracy of manufacturing details and offers another rational method of radial clearance creating. In this research was considered creating radial clearance between body and gears of gear pump hydraulic systems of auto and tractor machinery. The technology of gear pump manufacturing after pump folding provides it's enabling on a special stand in order to disability verification. During the period

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11

Neelendra, Pratap Singh* Prateek Gupta Siddharth Agnihotri. "VIBRATION ANALYSIS IN OVERHUNG PUMP." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 7 (2016): 374–85. https://doi.org/10.5281/zenodo.56993.

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In the present scenario, Energy demand is increasing day by day. To meet that demand, the production or extraction of crude oil, natural gas and other energy resources is done with the help of various pumps. Pumps are the second largest used machinery in world and plays a vital role. In this paper, we have done analysis on centrifugal pump categorised as overhung pump (OH2). It is commonly known that vibration problems on centrifugal pumps can result from multitude of possible parameters which are not easily identified. Due to deviation of pumps from best efficiency point (BEP), their service

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12

Wang, Peng, Xingqi Luo, Senlin Chen, Qingsen Cai, and Jinling Lu. "Energy Saving Application of Variable Speed Auxiliary Pump Plus Hydro Turbine in Circulating Cooling Water System." Journal of Physics: Conference Series 2029, no. 1 (2021): 012070. http://dx.doi.org/10.1088/1742-6596/2029/1/012070.

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Abstract The circulating cooling water system (CCWS) is a common industrial auxiliary system, and water pumps need to consume much energy to transport cooling water to distributed heat exchangers. Previous studies show that a pump network configuration with constant speed auxiliary pump plus hydro turbine (CSAP-T) plays a significant role in energy conservation. However, given the fluctuations in the production load and cooling water supply temperature, the flow demand of heat exchangers for cooling water varies. Under different working conditions, the CSAP-T scheme cannot supply the minimum c

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13

Giljen, Zdravko, and Miloš Nedeljković. "Universal Form of Radial Hydraulic Machinery Four-Quadrant Equations for Calculation of Transient Processes." Energies 16, no. 23 (2023): 7736. http://dx.doi.org/10.3390/en16237736.

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Suter curves for the Wh and Wm characteristics and four-quadrant (4Q) diagrams of 11 radial pump–turbine models with different specific speeds (nq = 24.34, 24.8, 27, 28.6, 38, 41.6, 41.9, 43.83, 50, 56, and 64.04) are presented for the first time in this paper, as well as Suter curves for two pump models (nq = 25 and 41.8) previously published in the literature. All of these curves were analyzed to establish a certain universal law of behavior, depending on the specific speed. To determine such a law, a fitting procedure using regression and spline methods was carried out. This paper provides

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14

Hou, Yuntao, Zequan Wu, Xiaohua Cai, and Zhancheng Li. "Design and research of fuzzy PID-based liquid pump performance testing platform." Journal of Physics: Conference Series 2815, no. 1 (2024): 012042. http://dx.doi.org/10.1088/1742-6596/2815/1/012042.

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Abstract The pump is a crucial component of agricultural sprayer machinery, directly impacting its operational quality. This paper designs a performance testing platform for pumps. Utilizing a brushless DC motor as the power source for the pump, a closed-loop mathematical model for the brushless DC motor is established. Simulation experiments and indoor experimental tests are conducted. Simulation results indicate that the motor control system exhibits fast response, no overshooting, and excellent dynamic and static performance. Experimental tests on the platform show that the error range of m

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15

Morshch, I. V. "Analysis of the causes of damage to centrifugal pumps during operation and methods of their elimination." Problems of Tribology 30, no. 1/115 (2025): 60–65. https://doi.org/10.31891/2079-1372-2025-115-1-60-65.

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The paper reviews the research on improving the efficiency of operation and service life of centrifugal pumps, which are widely used in machinery for pumping various liquids. The main reasons for the failure of centrifugal pumps, as well as modern approaches to their prevention, are considered. It is established that increasing the efficiency of pump operation can be achieved by analyzing, modeling and optimizing their design. It was found that modeling the operation of smaller pump models and comparing surrogate models with the original ones is a modern, highly effective method of optimizing

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16

Sun, Fei, Hong Ji, Shengqing Yang, and Chen Li. "Numerical Investigation on Pairing Solutions of Non-Positive Displacement Pumps and Internal Gear Pump for High-Speed Design." Fluids 8, no. 6 (2023): 178. http://dx.doi.org/10.3390/fluids8060178.

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Raising the working speed of hydraulic pumps to maximize the efficient matching range of electric motors is one of the possible ways to achieve energy efficiency in electric machinery. By means of a simulation method verified with subsequent experiments in terms of filling efficiency, this paper first analyzed the suction capacity of crescent-type internal gear pumps with different geometric parameters at high speed, and the gear pair that is more suitable for high-speed operation was obtained. Subsequently, as the more significant contributions, two pairing solutions of a non-positive displac

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17

Brini, Marisa, Tito Calì, Denis Ottolini, and Ernesto Carafoli. "Calcium Pumps: Why So Many?" Comprehensive Physiology 2, no. 2 (2012): 1045–60. https://doi.org/10.1002/j.2040-4603.2012.tb00429.x.

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AbstractCa2+‐ATPases (pumps) are key to the regulation of Ca2+ in eukaryotic cells: nine are known today, belonging to three multigene families. The three endo(sarco)plasmic reticulum (SERCA) and the four plasma membrane (PMCA) pumps have been known for decades, the two Secretory Pathway Ca2+ ATPase (SPCA) pumps have only become known recently. The number of pump isoforms is further increased by alternative splicing processes. The three pump types share the basic features of the catalytic mechanism, but differ in a number of properties related to tissue distribution, regulation, and role in th

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18

Grega, Robert, Jaroslav Homišin, Silvia Medvecká-Beňová, and Jozef Krajňák. "Experimental Identification of Failures of High-Pressure Pump Drive." Applied Mechanics and Materials 816 (November 2015): 421–25. http://dx.doi.org/10.4028/www.scientific.net/amm.816.421.

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In practice, the mobile machines, machinery and their parts are sources of vibrations which could shorten their technical working life. In every machine, a specific energy is converted into vibrations of the machinery or their individual components. The information about machinery is fundamental condition of its future running. The methods of vibration diagnostic could be useful for monitoring of device wear and determining of real state of machines.

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19

Zhao, Kai, Yuan Lou, Guangjie Peng, Chengqiang Liu, and Hao Chang. "A Review of the Development and Research Status of Symmetrical Diaphragm Pumps." Symmetry 15, no. 11 (2023): 2091. http://dx.doi.org/10.3390/sym15112091.

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With the continuous improvement in human awareness of environmental protection, energy savings, and emission reduction, as well as the vigorous development of precision machinery and process technology, energy-saving and efficient diaphragm pumps have become a hot research topic at home and abroad. The diaphragm pump is a membrane-isolated reciprocating transport pump that isolates the transport medium from the piston through the diaphragm and can be used to transport high-viscosity, volatile, and corrosive media, and the symmetrical structure can make it easier for the diaphragm pump to achie

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20

Putri, Renny Eka, Agus Hermansyah, and Santosa. "Index and Sustainability Status of Agricultural Mechanization for Paddy Field in Indonesia." IOP Conference Series: Earth and Environmental Science 1290, no. 1 (2024): 012002. http://dx.doi.org/10.1088/1755-1315/1290/1/012002.

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Abstract The use of agricultural machinery is one of the important factors in increasing agricultural production. A quantitative assessment of the agricultural mechanization index and its impact on agricultural production is needed in planning the development of agricultural mechanization nationally. This study aims to determine the value of the agricultural mechanization index which consists of the degree, level, and capacity of agricultural mechanization for tools and agricultural machinery for pre-harvest rice (2-wheel tractor, 4-wheel tractor, water pump, and rice transplanter). This resea

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21

Mehra, Muskan, Sandhya Choudhary, Shahla Naaz, N. L. Mehra, and Dhavendra Singh. "A Study on Impact of Custom Hiring Services in Terms of Role and Utility in Agriculture by the users in Jabalpur District of Madhya Pradesh." International Journal of Advances in Agricultural Science and Technology 10, no. 3 (2023): 1–5. http://dx.doi.org/10.47856/ijaast.2022.v10i03.001.

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There is ample scope of more development of custom hiring centre’s in the Villages of Jabalpur district. As the topography of the village is undulating in nature so the scope of light machinery is more as compare to heavy machinery, in such a scenario the more light machinery should be promoted and the villagers should be trained accordingly. Moreover, the maintenance of the machinery is another major issue which is major constrain of the CHC as because most of the machinery are not in a good condition to operate. During winter season as because the source of water is very limited so the villa

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Mehra, Muskan, Sandhya Choudhary, Shahla Naaz, N. L. Mehra, and Dhavendra Singh. "A Study on Impact of Custom Hiring Services in Terms of Role and Utility in Agriculture by the users in Jabalpur District of Madhya Pradesh." International Journal of Advances in Agricultural Science and Technology 10, no. 3 (2023): 1–5. http://dx.doi.org/10.47856/ijaast.2023.v10i03.001.

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There is ample scope of more development of custom hiring centre’s in the Villages of Jabalpur district. As the topography of the village is undulating in nature so the scope of light machinery is more as compare to heavy machinery, in such a scenario the more light machinery should be promoted and the villagers should be trained accordingly. Moreover, the maintenance of the machinery is another major issue which is major constrain of the CHC as because most of the machinery are not in a good condition to operate. During winter season as because the source of water is very limited so the villa

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23

Lopez Bautista, Cesar A., Timothy Travers, and S. Gnanakaran. "Interplay between Components of Efflux Pump Machinery." Biophysical Journal 114, no. 3 (2018): 62a. http://dx.doi.org/10.1016/j.bpj.2017.11.388.

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24

Bao, Mingxi, Xiangdong Ni, and Shiwei Kang. "Efficiency Analysis of Pump-controlled Motor System of Hydraulic Machinery Continuously Variable Transmission for Agricultural Machinery." MATEC Web of Conferences 319 (2020): 03002. http://dx.doi.org/10.1051/matecconf/202031903002.

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In order to improve the efficiency of Hydraulic Machinery Continuously Variable Transmission (HMCVT), studying the efficiency of its pump-controlled motor system is of great significance to promote the practical application of HMCVT in agricultural machinery. By analyzing the HMCVT transmission principle and the driving parameters of medium and large vehicles, determine the HMCVT transmission scheme that meets the actual requirements. The simulation model of the whole HMCVT system was established by SimulationX software, and the relationship curves between different engine speeds and HMCVT out

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Handani, Dhimas Widhi, and Makoto Uchida. "Development of Maintenance Scheduling Model for the Safety Operational of Ship Machinery." Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan 21, no. 2 (2024): 92–101. http://dx.doi.org/10.14710/kapal.v21i2.61582.

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Risk management of ship machinery is an important issue since machinery out of order can run into danger, especially for ships at sea. This paper implements risk based maintenance (RBM) to minimize the frequency and consequences of ship machinery failure. Not only the common steps of RBM, such as identification of problem, risk assessment, risk evaluation, and maintenance planning are conducted, but this paper also proposes a new model called ship position estimation. The preliminary identification i.e. identification of failure causes and symptoms as well as the history of failure time will b

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Dai, Zhenxing, Lei Tan, Bingfu Han, and Suyang Han. "Multi-Parameter Optimization Design of Axial-Flow Pump Based on Orthogonal Method." Energies 15, no. 24 (2022): 9379. http://dx.doi.org/10.3390/en15249379.

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The axial-flow pump is a widely used piece of general machinery which consumes large amounts of energy. In this study, an axial-flow pump with the specific speed of 536 is firstly designed and experimentally measured; then, the orthogonal method is employed to conduct the energy performance optimization. Five optimization parameters, including hub control point, hub stagger angle, shroud stagger angle, camber angle and centroid position were set with four levels. Sixteen individual pumps were designed according to the orthogonal method; then, a numerical simulation was implemented to obtain th

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Shi, Lian, and Lei Liu. "Vibration Test Measures for Pump Fault Diagnosis." Journal of Electronic Research and Application 5, no. 6 (2021): 6–10. http://dx.doi.org/10.26689/jera.v5i6.2683.

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The vibration measuring standard for compound machinery utilized in modern industrial production will be employed for the application of detecting technologies. The vibration intensity can be obtained by selecting the detecting method to obtain the speed of mechanical vibration, and technicians can examine whether the vibrating machinery is in a proper functioning state based on the value of vibration intensity, allowing for thorough fault diagnosis. In order to provide useful diagnosis ideas for technicians, this study examines the measurement of mechanical vibration and investigates the calc

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Kuleshkov, Yuriy, Mykhailo Krasota, Timofey Rudenko, Olexandr Puzyrov, and Kyrylo Zvoryhin. "Increasing the Supply of Gear Pumps for Vehicles and Agricultural Machinery." Central Ukrainian Scientific Bulletin. Technical Sciences 1, no. 5(36) (2022): 197–203. http://dx.doi.org/10.32515/2664-262x.2022.5(36).1.197-203.

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The purpose of this publication is to develop a mathematical model of the gear pump, which will develop a method for calculating the gearing of the pump with increased specific feed. One of the promising areas for further development of the gear pump is to increase its supply. And if the design of the pump with high flow is solved by increasing its dimensions - is an engineering problem, then increase the flow while maintaining its dimensions, ie increase the specific flow and specific power of the pump is a rather difficult scientific problem. Using the dimensionless GCUR - it is possible to

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29

Ilman Hasanov, Madat Hamdulla, Ilman Hasanov, Madat Hamdulla. "THE IMPACT OF TEMPERATURE ON SUCTION PERFORMANCE OF GEAR PUMPS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 147, no. 01 (2024): 31–38. http://dx.doi.org/10.36962/pahtei147012024-31.

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Through meticulous experimental setups, including a closed-loop system and precision temperature controllers, our study systematically explores the impact of temperature variations on gear pump behavior. This observed phenomenon is attributed to fluid viscosity changes and underscores the intricate interplay between thermal dynamics and gear pump efficiency. In the comparative analysis, our findings are bench-marked against industry standards, revealing both congruities and disparities. The study goes beyond the immediate implications by presenting a sensitivity analysis of different gear mate

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nandan, Ruchir, Syed Mohammed Pasha, D. Ashish, and B. Ch Nookaraju. "Computational fluid dynamics (CFD) analysis of centrifugal pumps." E3S Web of Conferences 391 (2023): 01088. http://dx.doi.org/10.1051/e3sconf/202339101088.

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Centrifugal pumps are mostly used in different fields like industries, agriculture and domestic applications. Objective of this paper is to give a critical review of CFD analysis of centrifugal pump along with future scope for further improvement of flow efficiency. Computational Fluid Dynamics is the most used tool for simulation and analysis. 3-D numerical CFD tool is used for simulation of the flow field characteristics inside the pump machinery. CFD for centrifugal pump is used to solve numerical simulation problems working as a tool for getting performance prediction of modelled design at

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Kumara, Soundar, Daniel Walker, Rachel Moore, and Timothy Hall. "Research and application of intelligent diagnosis method for impeller fault based on centrifugal pump digital twin flow field cloud map." Journal of Applied Artificial Intelligence 1, no. 2 (2024): 194–205. http://dx.doi.org/10.59782/aai.v1i2.301.

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With the development of industrial technology, the demand for health diagnosis and maintenance of centrifugal pumps is becoming increasingly urgent. Combining digital twin and machine vision technology, this paper proposes an intelligent diagnosis method for centrifugal pump impeller machinery fault based on digital twin flow field cloud map. Firstly, the centrifugal pump digital twin model is used to simulate the evolution of random fracture fault of impeller blades, and the impeller flow field pressure and velocity cloud maps with different fault characteristics are generated; secondly, base

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YAMAZAKI, Yukitaka, Tomonori NAKAYAMA, Tadashi NARABAYASHI, Hidetoshi KOBAYASHI, and Toshihiko SHAKOUCHI. "EFFECT OF SURFACE ROUGHNESS ON JET PUMP PERFORMANCE(Fluid Machinery)." Proceedings of the International Conference on Jets, Wakes and Separated Flows (ICJWSF) 2005 (2005): 491–95. http://dx.doi.org/10.1299/jsmeicjwsf.2005.491.

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Dambrosio, Lorenzo. "Multi-obective performance analysis of a wind power plant equipped with a PAT system." Journal of Physics: Conference Series 2648, no. 1 (2023): 012024. http://dx.doi.org/10.1088/1742-6596/2648/1/012024.

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Abstract In conventional wind power plants, the wind turbine drives an electrical generator equipped with an AC/DC converter for battery charging purposes and with an inverter inverter to supply power to the grid / AC load. This approach exhibits some drawbacks like the energy losses associated to the power electronics and the cost and the waste management of the battery storage systems. To overcome such drawbacks, this work proposes a new plant scheme, where the battery system has been removed (or strongly reduced) and the storage task is accomplished by a pumping system equipped with a rever

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Imlach, J., B. J. Blair, and P. E. Allaire. "Measured and Predicted Force and Stiffness Characteristics of Industrial Magnetic Bearings." Journal of Tribology 113, no. 4 (1991): 784–88. http://dx.doi.org/10.1115/1.2920693.

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Closed-loop stiffness and load capacity (force) equations have been developed for industrial magnetic bearings. Two sets of magnetic bearings have been constructed using these equations as a design basis. These bearings have been installed in two canned motor pumps. The predicted force and stiffness values from the equations are compared to experimental measurements to determine their validity. When obvious sources of error were eliminated, agreement within 10 percent was obtained for development pump’s magnetic bearings. Agreement was generally better for this pump than for the demonstration

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Sevda Aghammadova, Elmir Suleymanov, Sevda Aghammadova, Elmir Suleymanov. "INVESTIGATION OF THE EFFECT OF FLUID CONTENT ON THE INDICATORS OF A GEAR PUMP." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 40, no. 05 (2024): 256–63. http://dx.doi.org/10.36962/pahtei40052024-256.

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The article provides information on the dependence of power losses in a hydraulic motor on the viscosity of the working fluid, as well as recommended viscosity values of the working fluid at the extremes of the temperature interval. Additionally, the article includes a table of viscosity classes of hydraulic oils and a simplified diagram of a gear pump. The article explains changes in viscosity and highlights the complex relationship between viscosity changes and the efficiency of gear pumps in heat dynamics. This work ensures a comprehensive understanding of how temperature affects the perfor

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Sun, Sha Sha, and Bing Feng Xu. "Research on Efficiency Test of Mixed-Flow Pump with Different Blade Angles." Applied Mechanics and Materials 405-408 (September 2013): 3248–52. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.3248.

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Mixed-flow pump is one of the most widely used general machinery, it is necessary to study the efficiency of the mixed-flow pump. In this paper, we have made a test on a mixed-flow pump model. After testing we got the conclusion that the mixed flow pump efficiency analysis of experiments in 6 different blade angle of operation, through the analysis of the status, to this model the suitable angle is-4 °.

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Meddah, Medjahed Driss, Medjadji Nassira, Boukhadia Karima, Abdelmajid Kaddour, Yahiaoui Mostapha, and Ariss Abdelkader. "A visual basic implementation of the design and analysis of centrifugal pump rotors using Euler's theory and similarity laws." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 3 (2024): e12476. https://doi.org/10.54021/seesv5n3-032.

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The continuous evolution of hydraulic machinery demands innovative tools for improving the design and performance of centrifugal pumps. This study presents the development and validation of a Visual Basic application for designing centrifugal pump rotors, leveraging Euler's theory and similarity laws. The mathematical modeling includes essential parameters such as pump head, flow rate, and efficiency, which are computed based on theoretical equations and user-provided inputs. The software's ability to automate calculations provides engineers with a quick and reliable solution for optimizing pu

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Nguyen, Duy-Dat, Dinh-Vu Dang, Minh-Kha Nguyen, and Van-Hai Trinh. "Effects of adjustable and control parameters on performance characteristics of multi-controlled variable displacement pump." Applied Engineering Letters : Journal of Engineering and Applied Sciences 10, no. 1 (2025): 14–24. https://doi.org/10.46793/aeletters.2025.10.1.2.

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Energy efficiency and improving the performance of high-power hydraulic systems in machinery are essential trends. Various methods can be employed, and the widespread use of multi-controlled hydraulic pumps is one of the most popular approaches. In this work, the effects of adjustable and control parameters on the pump's performance characteristics are investigated. Regarding this, based on the operation principle of hydraulic pumps with a multi-function controller, a dynamic model within the mathematical equations and the corresponding simulation model are developed. An experiment study is al

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Martianis, Erwen, Bustami Syam, Ikhwansyah Isranuri, and Muhammad Sabri. "An analysis of vibration signals is conducted to monitor the condition of the clutch of a centrifugal pump, employing ISO 10816 standards." E3S Web of Conferences 519 (2024): 03027. http://dx.doi.org/10.1051/e3sconf/202451903027.

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Vibration in the shaft of a centrifugal pump arises from various factors, including the spacing between clutches, belt thickness, width, and their positioning within the clutch assembly. Vibration serves as a vital diagnostic tool for assessing machinery, offering insights into both motion and translation. Understanding vibrations and analyzing corresponding data are essential for effective maintenance and troubleshooting protocols. By leveraging this knowledge, companies can mitigate downtime, enhance productivity, and extend the operational lifespan of their machinery. Vibration stems from c

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Osada, Toshiyuki, Takashi Kawakami, Tadashi Yokoi, and Yoshinobu Tsujimoto. "Field Study on Pump Vibration and ISO’s New Criteria." Journal of Fluids Engineering 121, no. 4 (1999): 798–803. http://dx.doi.org/10.1115/1.2823539.

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ISO 10816-3 (a new standard of International Organization for Standardization) was established as vibration criteria for industrial rotating machinery based on the bearing housing vibration in situ. The appropriateness of the application of the proposed vibration criteria to pumps was discussed and studied by a work group in Japan. For the assessment, the data of vibration level in field were measured, and the effects of driver output, rotational speed, and pump type were studied. This paper describes the applicability of the new ISO criteria to the evaluation of vibration level of pumps, base

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Ilott, P. W., and A. J. Griffiths. "Fault diagnosis of pumping machinery using artificial neural networks." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 211, no. 3 (1997): 185–94. http://dx.doi.org/10.1243/0954408971529665.

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Pumping costs within British industry are enormous, with the potential for considerable financial savings through fault diagnosis and condition-based maintenance. Accurate condition monitoring data interpretation is a key requirement in pump fault diagnosis. However, the human skills required to transform monitored data into maintenance information are often unavailable. Artificial neural networks (ANNs) are proposed for automation of this skill in the development of a pumping system decision support tool, the key requirement of which is accurate pump fault diagnosis. The cumulative sum charti

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Arda Billy, Mohammad, Didik Sulistyo Kurniawan, Sursina Sursina, and Mudakir Mudakir. "Performance Analysis of Sea Water Cooling Pumps on The Smoothness of The Main Engine Cooling System on The Mt. Fail." International Journal of Advanced Multidisciplinary 2, no. 2 (2023): 589–94. http://dx.doi.org/10.38035/ijam.v2i2.308.

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The main engine sea water cooling pump is a type of centrifugal pump as one of the pumps that is often found in the ship machinery industry working on the principle of impeller rotation as a fluid transfer element driven by a propulsion engine. The liquid inside will rotate due to the impetus of the blades and cause a centrifugal force which causes the liquid to flow from the middle of the impeller and out through between the blades and leave the impeller at high speed. The sea water cooling pump has a very important role in supporting the cooling system process on the main engine. If the cool

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Prof. Shaikh A. H. A.R., Mr. Harsh Gajul, Mr. Avinash Inde, Miss. Nida Dharwadkar, and Mr. Omdeep Pujari. ""AGRIVIGIL: ENHANCED THEFT DETERRENCE FOR IRRIGATION MACHINERY"." International Journal of Innovations in Engineering Research and Technology 11, no. 2 (2024): 26–28. http://dx.doi.org/10.26662/ijiert.v11i2.pp26-28.

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The rampant theft of water pumps in rural India poses a severe challenge to farmers, significantly undermining their irrigation capabilities and, by extension, crop health and productivity—particularly in regions susceptible to unpredictable rainfall and drought. This theft not only inflicts immediate equipment loss but also propels farmers, who typically operate within narrow financial margins, into further economic hardship due to the inability to afford replacements. The consequent delays in planting and irrigation lead to reduced crop yields and heightened financial strain. The vulnerabili

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Kaila, Ville R. I. "Long-range proton-coupled electron transfer in biological energy conversion: towards mechanistic understanding of respiratory complex I." Journal of The Royal Society Interface 15, no. 141 (2018): 20170916. http://dx.doi.org/10.1098/rsif.2017.0916.

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Biological energy conversion is driven by efficient enzymes that capture, store and transfer protons and electrons across large distances. Recent advances in structural biology have provided atomic-scale blueprints of these types of remarkable molecular machinery, which together with biochemical, biophysical and computational experiments allow us to derive detailed energy transduction mechanisms for the first time. Here, I present one of the most intricate and least understood types of biological energy conversion machinery, the respiratory complex I, and how its redox-driven proton-pump catal

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Liu, Zhenbo, Leilei Ji, Wei Pu, et al. "Research on Efficiency Improvement Technology of Wide Range Centrifugal Pump Based on Genetic Algorithm and Internal Flow Loss Diagnosis." Water 16, no. 23 (2024): 3402. http://dx.doi.org/10.3390/w16233402.

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Wide-flow centrifugal pumps are widely used in marine, petrochemical, and thermal power plants because of their good hydraulic performance. To enhance the hydraulic performance of wide-flow centrifugal pumps and thereby reduce energy consumption, in this study, an automatic optimization system for rotating machinery based on genetic algorithms was employed. Initially, a detailed description of the centrifugal pump model and the optimization system was provided. Subsequently, sensitivity analysis of key parameters was conducted through design of experiments (DOEs), identifying the primary facto

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Panigrahi, Ashis Ranjan. "Integrated Structural and CFD Analysis for Performance Optimization of Gear Pumps." International Journal for Research in Applied Science and Engineering Technology 13, no. 6 (2025): 877–89. https://doi.org/10.22214/ijraset.2025.72255.

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Gear pumps are extensively utilized across various industries, including fluid power transmission systems, automotive applications, agricultural machinery, and aerospace, owing to their durability and efficient performance. External gear pumps, in particular, are valued for their robust design, ease of manufacturing, and relatively low production cost. Ongoing research aims to enhance the performance and reliability of these pumps. The primary objective of this study is to establish a comprehensive analysis procedure to evaluate the flow characteristics and pressure performance of an external

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Osiecki, Leszek, Piotr Patrosz, Bettina Landvogt, Janusz Piechna, Tomasz Zawistowski, and Bartek Zylinski. "Simulation of fluid structure interaction in a novel design of high pressure axial piston hydraulic pump." Archive of Mechanical Engineering 60, no. 4 (2013): 509–29. http://dx.doi.org/10.2478/meceng-2013-0031.

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Abstract A novel type of an axial, piston-driven high pressure hydraulic pump with variable capacity marks a significant improvement in the area of the hydraulic machinery design. Total discharge from hydrostatic forces eliminates a need for a servomechanism, thus simplifying operation, reducing weight and introducing the possibility of the pump displacement control by computer. PWK-type pumps, invented in the Gdansk University of Technology, offer high efficiency for pressure levels up to 55 MPa, ability to work self sucking even at high speed. However, the heart of the new invention, the com

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S, Manikandan, and Duraivelu K. "VIBRATION BASED PREDICTIVE FAULT ANALYSIS OF BEARING SEAL FAILURE AND CAVITATION ON INDUSTRIAL MONOBLOCK CENTRIFUGAL PUMP USING DEEP LEARNING ALGORITHM." Jurnal Teknologi 85, no. 5 (2023): 151–62. http://dx.doi.org/10.11113/jurnalteknologi.v85.20392.

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Industrial monoblock centrifugal pumps are critical pieces of rotational machinery that play an important role in manufacturing operations. The critical components must be in proper working order for the industry to continue operating. State monitoring is essential for monitoring and analysing the condition of equipment. Bearing failure, cavitation, a broken impeller, and other issues are common in monoblock centrifugal pumps. Traditional procedures for calculating outcomes have been proven to be time-consuming and difficult. At regular intervals, time domain vibrational signals are collected

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Punjekar, Mr Sanket. "Design of Compact and Multi-Functional Agricultural Machinery." International Journal for Research in Applied Science and Engineering Technology 13, no. 5 (2025): 4979–83. https://doi.org/10.22214/ijraset.2025.68823.

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Abstract: India’s economy is mainly based on agriculture, which provides employment to millions of people. However, as the population increases, farming land is decreasing, making farming difficult. Due to financial constraints, many small farmers still use traditional methods. Our solution to this problem is multifunctional agricultural equipment that combines seeding and spraying. The aim of this small agricultural equipment is to support small farmers, reduce labor costs and increase productivity. It combines many agricultural functions in one flexible machine. This development not only red

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Kuleshkov, Yuriy, Mykhailo Krasota, Timofey Rudenko, Ruslan Osin, and Yuriy Evseichik. "Measuring Rational Radial Clearance in Gear Pump Hydraulic Systems of Auto and Tractor Machinery." Central Ukrainian Scientific Bulletin. Technical Sciences 2, no. 5(36) (2022): 86–96. http://dx.doi.org/10.32515/2664-262x.2022.5(36).2.86-96.

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The research goal is working liquid losses decreasing through the radial clearance in the way of measuring the rational radial clearance between gear teeth and gear pump body. In this research was considered the radial clearance value influences the body and gears of gear pump hydraulic systems of auto and tractor machinery. Given research results of working liquid loses dependency through the radial clearance between teeth and gear pump body. Offered a new way for condition determination in which working liquid losses through radial clearance are minimal. Received terms for working liquid los

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