Bibliografias temáticas / Centrifugal pump

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Literatura científica selecionada sobre o tema "Centrifugal pump"

Autor: Grafiati
Publicado: 4 de junho de 2021
Última modificação: 1 de abril de 2023

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Artigos de revistas sobre o assunto "Centrifugal pump"

1

Shi, Lian. "Application of Technology in the Fault Diagnosis of Large Centrifugal Pump Units". Journal of Electronic Research and Application 6, n.º 2 (13 de abril de 2022): 26–31. http://dx.doi.org/10.26689/jera.v6i2.3856.

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In order to promote the stability of centrifugal pump units and maximize the role of centrifugal pumps, this paper analyzes the composition and basic working principle of centrifugal pumps, presents the main concerns of centrifugal pump maintenance, and finally investigates the common faults and maintenance methods of centrifugal pumps for reference.
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Bogdevičius, Paulius, Olegas Prentkovskis e Marijonas Bogdevičius. "Transmission with Cardan Joint Parametre Influence to Centrifugal Pump Characteristics". Mokslas - Lietuvos ateitis 9, n.º 5 (27 de dezembro de 2017): 559–64. http://dx.doi.org/10.3846/mla.2017.1073.

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Transmission with cardan joints and non­linear gearbox elements generates vibrations caused by spinning motion of transmission. This affects the pressure and productivity of centrifugal pump. The momentum of centrifugal pump in turn affects dynamic characteristics of transmission. In order to find the effect of transmission elements on centrifugal pump we investigate transmission composed of asynchronous electrical engine, gear box, cardan joint and Ziegler Ultra centrifugal pump. We create mathematical models of transmission and centrifugal pumps and investigate how the dynamic effects of transmission influence productivity centrifugal pump. This model can be applied to study the transmission parameters, effect of intake and outflow parameters on productivity of centrifugal pump and presence of cavitation. The paper includes results and conclusions of mathematical model.
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Wang, Yuqin, Jian Luo, Shuai Liu, Zhibo Han e Xiaoqiang Ni. "Hydraulic optimization design of centrifugal pumps aiming at low vibration noise". AIP Advances 12, n.º 9 (1 de setembro de 2022): 095026. http://dx.doi.org/10.1063/5.0111256.

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In order to reduce the vibration noise generated by the centrifugal pump in the working process and improve the working efficiency of the centrifugal pump, the sound field numerical calculation of IS80-65-160 single-stage single-suction centrifugal pump was carried out. Under the condition that the parameters of the pump body and the impeller remain unchanged, the number of blades of the prototype pump impeller was designed as 4, 5, 6, and 7, respectively. The flow-induced vibration and noise characteristics of centrifugal pumps were studied from two aspects of numerical simulation and test, and the renormalization group k-ε model was used to simulate the steady and unsteady state of centrifugal pumps with different blade numbers. The external characteristics, pressure pulsation characteristics, vibration, and noise of the centrifugal pump were obtained, and the flow-induced vibration and noise test platform of the centrifugal pump was built for experimental verification. The research showed that the flow induction in the model pump was the main factor affecting the vibration of the prototype pump, and the shaft frequency and blade frequency were the main reasons causing the noise of the prototype pump. The vibration of each blade was the most concentrated at onefold blade frequency, and the peak of the sound field acoustic pressure level of the pump body was higher than other frequencies at threefold blade frequency, which was most obvious in the tongue region of the volute. With the increase of blades, the noise in volute decreased. The vibration intensity of the 4-blade prototype pump was lower, but the efficiency and head were also lower. The vibration intensity of the 5-blade prototype pump was the highest, the comprehensive performance of the 6-blade prototype pump was better, and the vibration of the 7-blade prototype pump was unstable. The test results showed that six blades could effectively reduce the flow-induced vibration noise of centrifugal pumps and improve the working environment, which provided certain application value and guiding significance for the hydraulic design of the subsequent low-noise centrifugal pumps.
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Ali Hikmat Akhmadov, Mehman Omarov, Ali Hikmat Akhmadov, Mehman Omarov. "СOMPARATIVE STUDY OF CENTRIFUGAL PUMP". ETM - Equipment, Technologies, Materials 11, n.º 03 (23 de maio de 2022): 70–74. http://dx.doi.org/10.36962/etm11032022-70.

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In this study, a centrifugal pump was analyzed to examine the effect of the use of inductors on its performance. Tests have been carried out to obtain optimal hydraulic performance before and after using the inductor. We used two types of inductors (axial inductors, screw inductors). For this, a test setup with a pumping system was specially designed to investigate the parameters under consideration. In this study, a simulation of the performance of a centrifugal pump in combination with inductors using CFD is presented for comparison with experimentally observed values. The model explores the effect of using inductors on pump head and flow. The results of the CFD model and experiment correlate well. In addition, the results assist pump decision makers in future developments in pump performance by ensuring that the pumps are in a safe and reliable operating condition. It can also be used for a wide variety of high head and flow pump applications. Keywords: hydraulics, Centrifugal pump, reliability, pumps, devices, system.
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Pongsapan, Allo Sarira, e Rombe Allo. "ANALISIS UNJUK KERJA POMPA SENTRIFUGAL DENGAN PEMASANGAN INDUCER PADA LOCK NUT IMPELLER". Jurnal Teknik AMATA 3, n.º 2 (3 de dezembro de 2022): 17–25. http://dx.doi.org/10.55334/jtam.v3i2.298.

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Centrifugal pumps are the most widely used fluid machines in our daily life. In operation there are many losses caused by the installation and construction of the pump itself. Many studies have been carried out to minimize these losses, including the research we did, namely in the form of modifications to the centrifugal pump inlet. This study aims to determine the effect of installing the inducer on the locknut impeller on the characteristics of a radial flow type centrifugal pump. Here what is meant by pump characteristics are head, discharge, and pump efficiency. The method used is experimental. The activities carried out in this study included: designing and assembling simple pump testing equipment, making specimens, collecting data, analyzing and discussing and concluding. In this study there were four types of tests, namely: 1) Centrifugal pump without modification (normal); 2) Pump of the 1st modification with inducer, 25 mm long; 3) Pump of the 2nd modification with inducer, length 50 mm; and 4) Pump modification 3rd with inducer, length 75 mm. Research shows that modifications can improve the characteristics of centrifugal pumps which are the object of research where there is an increase in total head (Htot), discharge (Q) and efficiency (ηp). The best characteristics were obtained from the 2nd modification pump with an inducer length of 50 mm, followed by the 3rd modification pump with an inducer length of 75 mm, the 1st modification pump with an inducer length of 25 mm and the lowest was the pump without modification (normal). Characteristics of centrifugal pumps This increase is due to modifications that minimize pre-rotation symptoms, turbulence, and flow separation. Or in other words, the modification causes an improvement in the flow pattern at the inlet of the centrifugal pump.
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Li, Tao, Weiming Zhang, Ming Jiang e Zhengyang Li. "Experimental Study on Series Operation of Sliding Vane Pump and Centrifugal Pump". International Journal of Rotating Machinery 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/921283.

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A platform for sliding vane pump and centrifugal pump tests is installed to study the series operation of them under different characteristics of pipeline. Firstly, the sliding vane pump and the centrifugal pump work independently, and the performance is recorded. Then, the two types of pumps are combined together, with the sliding vane pump acting as the feeding pump. Comparison is made between the performance of the independently working pump and the performance of series operation pump. Results show that the system flow rate is determined by the sliding vane pump. In order to ensure the stability of the series operation pumping system, the energy consumption required by the pipeline under the system flow should be greater than the pressure energy centrifugal pump can generate. Otherwise, the centrifugal pump can not operate stably, with reflux, swirl, gas-liquid two-phase flow in the runner and strong vibration and noise. The sliding vane pump can be in serial operation with the centrifugal pump under limited conditions.
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Sutardi, Sutardi, e Ridwan Adliansyah. "Effect of Impeller Trimming on Centrifugal Pump". Jurnal Rekayasa Mesin 12, n.º 3 (15 de dezembro de 2021): 663–75. http://dx.doi.org/10.21776/ub.jrm.2021.012.03.16.

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Pumps, especially centrifugal pumps, play an important role in engineering application, such as petroleum and petro-chemical industries, agricultural industries, portland cement industries etc. To obtain the best performance of the pumps, one has to operate the pumps at their design conditions. In some circumstances, however, the pumps must operate lower than their design conditions and result in the decrease in their performances. In such cases, it is possible to replace the pump impeller with the smaller impeller diameter or to cut its original impeller to smaller size as necessary. The cut of the impeller, or it is frequently referred to as impeller trimming, in some extence is preferable than replacing with new impeller or even by replacing with new pump with smaller head and capacity. In this study, we examine the effect of the pump impeller trimming to the pump performaces. The study was performed in the Fluid Mechanics Laboratory, Mechanical Engineering Department of ITS, Surabaya. The pump impellers were cut up to approximately 19 percent of its original pump impeller diameter, where the original pump impeller diameter is 129 mm. The pump has the maximum capacity of 100 liters/min and the total head of 31.5 m. The pump is powered by a 300 Watt electrical motor. Parameters to be studied in this research include pump capacity, pump head, pump power, and pump efficiency. The results of this study show that all data are in good agreement with the pump affinity laws. Pump capacity, pump head, and pump power decresase as the pump impeller diameter decreases. The pump efficiency is, however, in some extent, increases as the pump impeller diameter decreases. The maximum increase in pump efficiency is obtained when the ratio between the trimmed impeller to its original pump impeller diameter is approximately 89 percent (i.e. D2/D1 = 0.89), with the increase in pump efficiency of approximately 20 percent.
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Idris, Muhammad Nuru. "Design Studies Using Corrosive and Non-Corrosive Materials to Improve on Reliability and Efficiency of an Impeller of a Centrifugal Pump". ECS Meeting Abstracts MA2022-02, n.º 64 (9 de outubro de 2022): 2345. http://dx.doi.org/10.1149/ma2022-02642345mtgabs.

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Design Studies using Corrosive and Non-corrosive Materials to Improve on Reliability and Efficiency of an Impeller of a Centrifugal Pump N. Idris*1, 3and I. U. Umaru2 1Department of Chemical Engineering University of Maiduguri Borno State, Nigeria Email: idrismn@unimaid.edu.ng ABSTRACT The quest to improve on the reliability, operability, sustainability of centrifugal pumps in all facets of process operations, oil and gas industries across the globe have a pivoted role to play in the development of world energy technology and sustainability in numerous ways. This is because several operability challenges and malfunctioning of centrifugal pumps can usually results to unexpected shutdown of process operations and mostly in cases with faulty standbys. Centrifugal pump is a type of a turbo machine in which mechanical energy is converted into pressure energy by means of centrifugal force acting on the fluid. The impeller is the revolving component of the centrifugal pump that transmits energy from the electric motor that drives the pump to the fluid being pumped by acceleration of the fluid outwards from the centre of rotation. Several researches have been conducted using experiment and numerical simulations to design the centrifugal pump impellers. As a result of recent research, the performance of contemporary centrifugal pump impellers yielded positive results. However, for sustainability there is a need to design the impellers using corrosive and non-corrosive materials to improve on its reliability and efficiency of the pump. The aim and objective of the studies are: to analyze the pressure, head and efficiency of the designed centrifugal pump impeller, to improve on the efficiency and reliability of a centrifugal pump impeller by changing the blade angle and the use of corrosive and non-corrosive fluids, experimental measurements to analyze the pressure fluctuation performance of a centrifugal pump impeller using CFD. Keywords: Oil and gas, centrifugal pump, reliability, sustainability Correspondence about this article: Please for all correspondence on this article, kindly contact the principal author as stated above. Thank you.
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Handayani, Sri Utami. "KARAKTERISTIK POMPA SENTRIFUGAL ALIRAN CAMPUR DENGAN VARIABLE FREQUENCY DRIVE". ROTASI 15, n.º 3 (19 de dezembro de 2013): 30. http://dx.doi.org/10.14710/rotasi.15.3.30-34.

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In an industry that uses large centrifugal pumps continuously, pump speed setting can reduce energy consumption significantly. By changing the speed of a centrifugal pump, capacity, head, and pump power required will change according to pump affinity laws. Speed of a centrifugal pump can be changed by variable frequency drive . This study aimed to investigate the characteristics of mixed flow centrifugal pumps with variable frequency drive. The results showed that 10% of maximum speed reduction can decrease power consumtion until 50%, while the increase in the efficiency is maximum 7.2%. The power reduction is different for different speed reduction. In a dynamic head dominated system the efficiency will remain constant during speed reduction while in static head dominated system will change.
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Hou, Ming Wei. "Optimal Design and Experimental Study on 500SM35 Type Centrifugal Pump". Applied Mechanics and Materials 29-32 (agosto de 2010): 1003–7. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.1003.

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To make the high efficiency and energy-saving centrifugal pump, using multi-objective optimization design to make hydraulic design of the 500SM35 centrifugal pumps, using CFD technology to simulate the three-dimensional turbulence flow in pump, also make performance experiment and cavitation experiment of the 500SM35 centrifugal pump that have been self-developed. Experimental studies have shown that: the 500SM35 centrifugal pump’s prototype performance parameters all beyond design specification.
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Teses / dissertações sobre o assunto "Centrifugal pump"

1

Rose, Martin George. "Flow in centrifugal water pump impellers". Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253798.

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2

Foslie, Sverre Stefanussen. "Design of Centrifugal Pump for Produced Water". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-24348.

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During the spring of 2008, Jón Bergmann Heimisson developed a pump design program in Matlab. The program has been further developed during the work with this thesis, as well as in the author's preceding project thesis, giving key information for an existing pump design. The aim of this Master's thesis has been to verify the calculation of pump characteristics and velocity profiles at the impeller outlet through testing.A detailed description of the relevant theory regarding pump design has been presented, and different calculation models for the pump characteristics have been examined. The analytical approaches for calculating the performance data have been implemented into Matlab, and a comparison of the different calculation models has been performed. A multistage centrifugal pump has been used for verifying the velocity profiles, and the pump characteristics have been compared to the different calculation models presented in Matlab. Measurements of the velocity profiles were carried out in Typhonix' laboratories at Varhaug using a pitot-static probe.The results achieved from the comparison of the characteristic curves calculated in Matlab showed that the models provide quite different results. Some of the methods widely used in the literature proved to deviate significantly from the measured results, while other and more advanced methods provided better results.The results achieved from testing the velocity profiles with the pitot-static probe were not as good as desired. The measured velocities and flow angles did not correlate well with the analytical solutions, and the results are partly unreliable. Some of the trends regarding changes due to increased volume flow or rotational speed were found, but the exact values could not be trusted. The pitot-static probe is an intrusive method, and it probably disturbed the flow in a way making good results difficult to achieve.
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Yano, Keiji. "Numerical simulation for a centrifugal heart pump /". The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487947908400957.

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Bardeleben, Michael John Ross Weaver David S. "Acoustic characterization of a centrifugal pump using a two-port model /". *McMaster only, 2005.

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5

Ding, Wei. "Computational fluid analysis of a centrifugal heart pump /". The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487949836206911.

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Adkins, Douglas Ray Brennen Christopher E. Brennen Christopher E. "Analyses of hydrodynamic forces on centrifugal pump impellers /". Diss., Pasadena, Calif. : California Institute of Technology, 1986. http://resolver.caltech.edu/CaltechETD:etd-03262007-111453.

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7

Berchane, Nader Samir. "Experimental evaluation of the flow field inside an open faced impeller". Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1610.

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The pressure distributions and forces presented in a thesis by Hossain [1] for a centrifugal pump illustrated a somewhat complex inter-relationship between various geometric and operating parameters of the pump studied. The pump had an open faced impeller of 33.65 cm diameter with 5 blades of backswept design. It was felt that the best way to resolve some of the questions related to Hossain’s results was to determine the fluid velocity field inside the pump. Thus the flow field through the impeller passages was measured using a 1-D Laser Doppler Velocimetry (LDV) system. The LDV was used to measure the radial and tangential velocity components as well as the turbulence intensities over the region accessible through the two optical windows in the front of the pump housing. Five axial planes were investigated by recording measurements along two radial lines at azimuthal angles of 45° and 315° (with respect to the horizontal axis of the pump) for design operating conditions. A once per revolution signal was used to supply the LDV system with a reference for the rotor position. It was found out that a leakage flow existed near the front wall of the impeller at z/h = 0.11, which was generated by the pressure difference between the impeller exit and inlet. It was also concluded that the velocity field was not fully two-dimensional in nature. This was believed to be a result of the 90° turn that the fluid endures as it enters the impeller inlet from the suction pipe.
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Karamanoğlu, Yılmaz Mobedi Moghtada. "Investigation of flow through a semi axial centrifugal pump/". [s.l.]: [s.n.], 2006. http://library.iyte.edu.tr/tezler/master/fizik/T000536.pdf.

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Thesis (Master)--İzmir Institute of Technology, İzmir, 2006.
Keywords:Computational fluids dynamic, pump characteristics, turbomachinery, pumps, centrifugal pumps. Includes bibliographical references (leaves 88-89).
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9

Downham, S. E. "Modelling the two-phase performance of a centrifugal pump". Thesis, Cranfield University, 2000. http://dspace.lib.cranfield.ac.uk/handle/1826/11005.

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A review was carried out which revealed that no simple mathematical model was available which could be used to predict the performance of a centrifugal pump when it is operating under two phase flow conditions. Experimental analyses were carried out to aid the development of such a model. A rotating channel test rig was designed to study the structure of airwater flow through an impeller passageway. The observations generated a large amount of qualitative data. A full scale centrifugal pump was also tested which provided data that allowed the results of the rotating channel experiments to be considered in more quantitative terms. These two sets of experimental work allowed a conceptual model of the two phase flow through a centrifugal pump to be constructed. The model assumes that forces act on the bubbles as they pass through the impeller passageway because of the rotation and the curvature of the impeller passageway. These forces cause the bubbles to decelerate and coalesce creating a stationary air void which leads to a partial blockage of the channel. This causes the velocity of the fluid passing through the pump to be modified. The model uses a onedimensional velocity vector approach adjusted for hydraulic losses to calculate the head raised by the pump under such conditions. The model presented provides the basis upon which a predictive tool could be developed and used in the development engineering environment. Currently operational problems that arise because of two phase flow are often quantified using scaled hydraulic models, which are expensive, or within the actual application where costly engineering solutions may be required to give acceptable performance. A mathematical model is a much more cost effective tool and its application allows the engineer to decide whether system performance would be compromised by the two phase conditions encountered and propose possible solutions. In recommending the development of such a model it is necessary to consider where and how in the project cycle it should be used. A number of companies were canvassed and it was concluded that in many cases such models are used too late in the project cycle to provide maximum return. In the case of projects which include participants from a number of companies it is suggested that an inter-company team should be constructed if development models are to be widely used. This team should be used to plan and implement the use of development models efficiently and ensure that the data produced is communicated effectively and is of the maximum value to the participants.
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Weimer, Richard George Jr. "Centrifugal pump performance prediction using quasi-three-dimensional flow analysis". Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/17693.

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Livros sobre o assunto "Centrifugal pump"

1

Centrifugal pump handbook. 3a ed. Amsterdam : Elsevier ; Oxford: Butterworth-Heinemann, 2008.

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2

Centrifugal pump design. New York: John Wiley & Sons, 2000.

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3

Association, American Water Works, ed. Centrifugal pump fundamentals. Denver, CO: The Association, 1987.

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4

Dufour, John W. Centrifugal pump sourcebook. New York: McGraw-Hill, 1993.

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5

Karassik, Igor J. Centrifugal pump clinic. 2a ed. New York: Dekker, 1989.

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6

Dufour, John W. Centrifugal pump sourcebook. New York: McGraw-Hill, 1992.

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7

Yedidiah, Sam. Centrifugal Pump User’s Guidebook. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1217-8.

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Aktiengesellschaft, Gebrüder Sulzer, ed. Sulzer centrifugal pump handbook. London [England]: Elsevier Applied Science, 1990.

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9

Japikse, David. Centrifugal pump design and performance. Wilder, VT: Concepts ETI, 1997.

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10

Cavitation and the centrifugal pump: A guide for pump users. Philadelphia, PA: Taylor & Francis, 1999.

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Capítulos de livros sobre o assunto "Centrifugal pump"

1

Gülich, Johann Friedrich. "Pump Testing". In Centrifugal Pumps, 1059–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40114-5_16.

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Gülich, Johann Friedrich. "Pump Testing". In Centrifugal Pumps, 1205–30. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14788-4_16.

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Karassik, Igor J., e Terry McGuire. "Multistage Pump Casings". In Centrifugal Pumps, 44–61. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-6604-5_3.

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El Hefni, Baligh, e Daniel Bouskela. "Centrifugal Pump Modeling". In Modeling and Simulation of Thermal Power Plants with ThermoSysPro, 311–29. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05105-1_12.

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Gülich, Johann Friedrich. "Pump Selection and Quality Considerations". In Centrifugal Pumps, 1035–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40114-5_15.

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Gülich, Johann Friedrich. "Pump Types and Performance Data". In Centrifugal Pumps, 43–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40114-5_2.

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Gülich, Johann Friedrich. "Pump Hydraulics and Physical Concepts". In Centrifugal Pumps, 79–157. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40114-5_3.

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Gülich, Johann Friedrich. "Pump Selection and Quality Considerations". In Centrifugal Pumps, 1181–204. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14788-4_15.

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Gülich, Johann Friedrich. "Pump Types and Performance Data". In Centrifugal Pumps, 45–80. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14788-4_2.

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Gülich, Johann Friedrich. "Pump Hydraulics and Physical Concepts". In Centrifugal Pumps, 81–167. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14788-4_3.

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Trabalhos de conferências sobre o assunto "Centrifugal pump"

1

Muthanandan, Sundralingam. "Centrifugal Pump and Centrifugal Compressor Process Containment". In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/186410-ms.

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Repsa, Edgars, e Eriks Kronbergs. "Investigation of centrifugal pump characteristics". In 20th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2021. http://dx.doi.org/10.22616/erdev.2021.20.tf119.

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3

Wang, Chaoyue, Fujun Wang e Zhichao Zou. "Comparative Study on Hydraulic Performance of Single-Suction Centrifugal Pump and Double-Suction Centrifugal Pump". In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69142.

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In engineering applications, design and manufacture of double-suction impeller are on the basis of single-suction impeller. However, there is a lack of clear view on the differences of hydraulic performance between single-suction centrifugal pump and double-suction centrifugal pump which has the same blades. In this paper, a single-suction centrifugal pump and double-suction centrifugal pump with the same blades are investigated respectively, and their hydraulic performances have been compared in terms of external characteristics, flow pattern, pressure fluctuation and cavitation characteristics. In operating range of 0.6Q0∼1.1Q0, results show that the efficiency of double-suction pump is 4.14% higher than that of single-suction pump stably, and the head of single suction pump is 3.5% higher than that of double-suction pump stably. Single-suction impeller and double-suction impeller have similar jet-wake structure in impeller outlet, but the amplitude of velocity of single suction impeller changes more sharply. In the vicinity of rated condition, the amplitude of pressure fluctuation of double suction pump is about half that of the single suction pump, and the cavitation performance of double suction pump and single suction pump are basically the same. These quantitative results show that pressure fluctuation characteristics and cavitation performance of single-suction pump and double-suction pump with the same blades have little difference in the vicinity of rated condition. Compared with single-suction pump, the head of double-suction pump has declined, while the efficiency has improved remarkably. The research results have significant guidance on excavating the potential of excellent hydraulic models and guiding the design of double-inlet multistage double-suction centrifugal pump.
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Hanwate, Harshlata R., e Atul S. Lilhare. "Diametrical Inversion Control for centrifugal pump". In 2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS). IEEE, 2016. http://dx.doi.org/10.1109/iceets.2016.7582939.

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He, Hua, Bo Zhang, Guo-pei Pan e Gang Zhao. "Rotor Dynamics of Multistage Centrifugal Pump". In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60929.

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In a nuclear reactor, pumps are employed as key components for various applications, such as in the cooling system. The steady running of the pump relies greatly on the stability of the rotor. This paper analyses the non-damping natural vibration, critical speed and unbalance response of rotor in the multistage centrifugal pump. The calculation results indicate: (1) The supporting stiffness of either electromagnetic bearing or water film has a large influence on critical speed of first and second order rigid mode, but shows a minor influence on the critical speed of first and second order bending mode. In the case that the electromagnetic bearing has a supporting stiffness of 0.5 × 106 N/m, and the supporting stiffness of water film bearing takes twice of the electromagnetic bearing stiffness, the simulated frequency of first order stiffness will be larger than 50 Hz, which is the rated frequency of the rotor. The stiffness of electromagnetic bearing in our experiment was in the range of 1.3–1.5 × 107 N/m. Thus, the working speed of this rotor will be lower than the first-order rigid critical speed. (2) The unbalance responses of the rotor under four unbalance conditions show that the displacement amplitude of major rotor components (including electromagnetic bearing, water film bearing, first and final impeller) are all in the allowed range for engineering design.
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Shukla, S. N., e J. T. Kshirsagar. "Numerical Experiments on a Centrifugal Pump". In ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/fedsm2002-31176.

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Advances in Computational Fluid Dynamics have made it possible to visualize some of features of flow through rotating machines, that are if not impossible, difficult to measure experimentally. Now Industry standard CFD codes are commercially available and are being used by leading industries as a design verification tool. Most of the commercial codes are general purpose, keeping in mind vast application needs. Various turbulence models, numerical schemes and grid types are given as an option for the end user. Appropriate choice of grid, numerical scheme, interfaces and turbulence models are the key parameters that influence the results from CFD software. A centrifugal pump was designed and developed using empirical and optimization tools developed in-house. The flow passages were checked for smooth flow pattern using CFD tools. The pump was manufactured and tested for its performance. The tested performance matched well with predictions within 3% at best efficiency point as regards to efficiency and head. This model was taken to carry out numerical experiments using CFD tools. The entire performance including flow-head-efficiency and cavitation performance in terms of NPSHr requirement was available. Numerical experiments were carried out to study impact of different parameters like numerical scheme, turbulence models, type of interface between stationary and rotating parts. The results from these numerical experiments are presented and discussed in the light of actual test results from laboratory testing.
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Walavekar, Amit A., e J. T. Kshirsagar. "Transient Thermal Analysis of Centrifugal Pump". In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30095.

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Pumps at times may be required to undergo critical flow conditions wherein thermal and pressure transients are part of operating conditions. Under such circumstances, a guideline from ASME code is followed to have confidence in design. High operating temperature affects the design in two ways. The physical properties change drastically with elevated temperature and other important aspect is if it is accompanied by high pressure, the strength of the component need to be checked. The thermal stresses together with stresses developed by mechanical loads like pressure, forces, moments when combined; need to be compared with strength as suggested in ASME Codes. The situation becomes far more complex when the temperature and pressure levels are fluctuating with time. The transient conditions of temperature and pressure of short duration will generate thermal shock which will further produce very high thermal stress. A numerical approach is presented in this paper to judge suitability of design under transients in thermal and mechanical loads. The design code followed is ASME Section III Subsection NB. The transients are considered at 126 bar pressure and 350 °C temperature.
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Rahman, Abdul, Sumartono Sumartono e Aulia Salman. "Manufacture of centrifugal pump testing equipment". In THE 2ND INTERNATIONAL CONFERENCE ON DESIGN, ENERGY, MATERIALS AND MANUFACTURE 2021 (ICDEMM 2021). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0119236.

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Best, G., R. J. Delaloye, B. L. Nicholson e W. B. Morrow. "Geared Centrifugal Pump Performance in an Enhanced Oil Recovery Field". In SPE Electric Submersible Pump Symposium. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/185131-ms.

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Behzad, M., A. R. Bastami e M. Maassoumian. "Fault Diagnosis of a Centrifugal Pump by Vibration Analysis". In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58534.

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This paper gives the final Solution for vibration reduction in a centrifugal pump. Vibration measurement in different conditions has been carried out in order to find the main reason for excessive vibration of the pumps. In the first stage several parameters including cavitation, not working in the pump design condition and mechanical and electrical faults assumed to be the reason for the pump vibration. By vibration analysis it is found that the major reason for the pump vibration is working in off design conditions. More over dissolved air in the suction fluid can possibly cause two-phase flow leading to the pump vibration. For solving both problems considering pump performance curves it has been suggested to use a speed controller to reduce pump speed.
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Relatórios de organizações sobre o assunto "Centrifugal pump"

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Lee, Taeseung, Roberto Ponciroli, Akshay Dave, Dan O'Grady e Richard Vilim. Centrifugal Pump Model for System Codes for Advanced NPP Designs. Office of Scientific and Technical Information (OSTI), fevereiro de 2023. http://dx.doi.org/10.2172/1961558.

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Bremer, Nathan, Darius Lisowski e Mitch Farmer. Submersible Multistage Centrifugal Pump for Versatile Test Reactor Cartridge Test Loop. Office of Scientific and Technical Information (OSTI), abril de 2022. http://dx.doi.org/10.2172/1868933.

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GRAMS, W. H. Hazard Evaluation for a Salt Well Centrifugal Pump Design Using Service Water for Lubrication and Cooling. Office of Scientific and Technical Information (OSTI), outubro de 2000. http://dx.doi.org/10.2172/805385.

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Bonney, G. E. Centrifugal slurry pump wear and hydraulic studies. Quarterly technical progress report, January 1, 1987--March 31, 1987. Office of Scientific and Technical Information (OSTI), janeiro de 1987. http://dx.doi.org/10.2172/231295.

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GRAMS, W. H. Hazard Evaluation for the Saltwell Chempump and a Saltwell Centrifugal Pump Design using Service Water for Lubrication and Cooling. Office of Scientific and Technical Information (OSTI), novembro de 2000. http://dx.doi.org/10.2172/805639.

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Cooper, P. Centrifugal slurry pump wear and hydraulic studies. Quarterly technical progress report for the period of 1 April 1987--30 June 1987. Office of Scientific and Technical Information (OSTI), dezembro de 1987. http://dx.doi.org/10.2172/231335.

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Rohatgi, U. Development of Advanced Centrifugal Pumps. Office of Scientific and Technical Information (OSTI), setembro de 2009. http://dx.doi.org/10.2172/1169549.

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Rohatgi, Upendra, e Michael Furey. Development of Advanced Centrifugal Pumps. Office of Scientific and Technical Information (OSTI), setembro de 2009. http://dx.doi.org/10.2172/1012393.

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McLaughlin, D. K., e D. E. Thompson. Basic Research on the Physics of Noise Production by Centrifugal Pumps. Fort Belvoir, VA: Defense Technical Information Center, janeiro de 1996. http://dx.doi.org/10.21236/ada303263.

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Begley, E. F., M. E. Palmer e K. A. Reed. Semantic mapping between IAI ifcXML and FIATECH AEX models for centrifugal pumps. Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ir.7223.

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