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Academic literature on the topic 'Axial flow pumps Blades'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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Journal articles on the topic "Axial flow pumps Blades"

1

Yu, Zheqin, Jianping Tan, and Shuai Wang. "Multi-parameter analysis of the effects on hydraulic performance and hemolysis of blood pump splitter blades." Advances in Mechanical Engineering 12, no. 5 (2020): 168781402092129. http://dx.doi.org/10.1177/1687814020921299.

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The splitter blade can effectively optimize pump performance, but there is still insufficient research in blood pumps that cover both hydraulic and hemolysis performance. Thus, the aim of this study was to investigate the effect of key factors related to splitter blade on the performance and flow field of axial flow blood pump. In this study, the number of splitter blades, the axial length, and the circumferential offset were chosen as three objects of study. An analysis of the flow field and performance of the pump by orthogonal array design using computational fluid mechanics was carried out

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Tao, Ran, Ruofu Xiao, and Fujun Wang. "Detached eddy simulations for high speed axial flow fuel pumps with swept and straight blade impellers." Engineering Computations 33, no. 8 (2016): 2530–45. http://dx.doi.org/10.1108/ec-06-2015-0165.

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Purpose High speed axial flow pumps are widely used in aircraft fuel systems. Conventional axial flow pumps often generate radial secondary flows at partial-load conditions which influence the flow structure and form a “saddle-shaped” region in the Q-H curve that can destabilize the operation. Thus, the “saddle-shaped” Q-H region must be eliminated. The paper aims to discuss these issues. Design/methodology/approach The swept stacking method is often used for radial flow control in turbo-machinery impeller blade design. Hence, this study uses the swept stacking method to design a high speed ax

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3

Kan, Kan, Yuan Zheng, Huixiang Chen, Jianping Cheng, Jinjin Gao, and Chunxia Yang. "Study into the Improvement of Dynamic Stress Characteristics and Prototype Test of an Impeller Blade of an Axial-Flow Pump Based on Bidirectional Fluid–Structure Interaction." Applied Sciences 9, no. 17 (2019): 3601. http://dx.doi.org/10.3390/app9173601.

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This paper performed a numerical study into the dynamic stress improvement of an axial-flow pump and validated the simulation results with a prototype test. To further analyze the dynamic stress characteristics of impeller blades of axial-flow pumps, a bidirectional fluid–structure interaction (FSI) was applied to numerical simulations of the unsteady three-dimensional (3-D) flow field of the whole flow system of an axial-flow pump, and the gravity effect was also taken into account. In addition, real-structure-based single-blade finite element model was established. By using the finite elemen

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Shi, Xiaobing, Jinling Lu, and Lianming Zhao. "Investigations on the influence of tandem blades on inner flow and performance characteristics of centrifugal pump." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 234, no. 1 (2019): 46–55. http://dx.doi.org/10.1177/0954408919883730.

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Although significant advances have been made in tandem-blade technology for axial and centrifugal compressors, little attention has been paid to its application in centrifugal pumps. In this study, we propose a new tandem-blade design method for improving inner flow characteristics and overall performance of a centrifugal pump. With the SST k − ω turbulence model, three-dimensional turbulent flow fields in the centrifugal pump with tandem blades are simulated and analyzed. The effects of tandem blades on the inner flow and performance characteristics of the centrifugal pump are investigated. T

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Pan, Qiang, Weidong Shi, Desheng Zhang, BPM van Esch, and Ruijie Zhao. "Fish-friendly design of an axial flow pump impeller based on a blade strike model." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 234, no. 2 (2019): 173–86. http://dx.doi.org/10.1177/0957650919849768.

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With environmental awareness growing in many countries, governments are taking measures to reduce mortality of migrating fish in pumping stations. Manufacturers seek to develop pumps that are less damaging to fish and still provide good hydraulic performance, but little is known about the implications design modifications may have on internal flow characteristics and overall hydraulic performance. In this paper, an integrated design method is proposed that combines a validated blade strike model for fish damage and a computational fluid dynamics method to assess the pump performance. A redesig

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Fang, Peng, Jianjun Du, and Shunzhou Yu. "Impeller (straight blade) design variations and their influence on the performance of a centrifugal blood pump." International Journal of Artificial Organs 43, no. 12 (2020): 782–95. http://dx.doi.org/10.1177/0391398820913559.

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Introduction: The miniaturization of blood pumps has become a trend due to the advantage of easier transplantation, especially for pediatric patients. In small-scale pumps, it is much easier and more cost-efficient to manufacture the impeller with straight blades compared to spiral-profile blades. Methods: Straight-blade impeller designs with different blade angles, blade numbers, and impeller flow passage positions are evaluated using the computational fluid dynamics method. Blade angles (θ = 0°, 20°, 30°, and 40°), blade numbers ( N = 5, 6, 7, and 8), and three positions of impeller flow pas

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Nishi, Yasuyuki, and Junichiro Fukutomi. "Component Analysis of Unsteady Hydrodynamic Force of Closed-Type Centrifugal Pump with Single Blades of Different Blade Outlet Angles." International Journal of Rotating Machinery 2015 (2015): 1–17. http://dx.doi.org/10.1155/2015/419736.

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Single-blade centrifugal impellers for sewage systems undergo both unsteady radial and axial thrusts. Therefore, it is extremely important for the improvement of pump reliability to quantitatively grasp these fluctuating hydrodynamic forces and determine the generation mechanism behind them. In this study, we conducted component analyses of radial and axial thrusts of closed, single-blade centrifugal pumps with different blade outlet angles by numerical analysis while considering leakage flow. The results revealed the effect of the blade outlet angle on the components of radial and axial thrus

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SU, BOYANG, LEOK POH CHUA, and LIANG ZHONG. "NUMERICAL STUDIES OF AN AXIAL FLOW BLOOD PUMP WITH DIFFERENT DIFFUSER DESIGNS." Journal of Mechanics in Medicine and Biology 13, no. 03 (2013): 1350029. http://dx.doi.org/10.1142/s0219519413500292.

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Most axial flow blood pumps basically consist of a straightener, an impeller, and a diffuser. The diffuser plays a very important role in the performance of the pump to provide an adequate pressure head and to increase the hydraulic efficiency. During the development of an axial flow blood pump, irregular flow field near the diffuser hub is not desirable as it may induce thrombosis. In order to avoid this phenomenon, two approaches were adopted. In the first approach, the number of the diffuser blades was increased from three (B3, baseline model) to five (B5 model). It was observed that the fl

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WU, HUACHUN, GAO GONG, ZHIQIANG WANG, YEFA HU, and CHUNSHENG SONG. "STRUCTURAL DESIGN AND NUMERICAL SIMULATION OF THE DIFFUSER FOR MAGLEV AXIAL BLOOD PUMP." Journal of Mechanics in Medicine and Biology 14, no. 03 (2014): 1450045. http://dx.doi.org/10.1142/s0219519414500456.

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Hydraulic performance is an especially important factor for maglev axial blood pumps that have been used in patients with heart disease. Most maglev axial blood pumps basically consist of a straightener, an impeller and a diffuser. The diffuser plays a key role in the performance of the maglev axial blood pump to provide an adequate pressure head and increase the hydraulic efficiency. Maglev axial blood pumps with various structural diffusers exhibit different hydraulic performance. In this study, computational fluid dynamics (CFD) analysis was performed to quantify hydrodynamic in a maglev ax

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Beznosov, Aleksandr V., Pavel A. Bokov, Aleksandr V. Lvov, Tatyana A. Bokova, Nikita S. Volkov, and Aleksandr R. Marov. "Experimental studies into the performance of the lead coolant axial pump wet ends to justify main circulation pumps for the HMLC reactor plant circuits." Nuclear Energy and Technology 6, no. 3 (2020): 143–47. http://dx.doi.org/10.3897/nucet.6.57736.

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The paper presents the results of the studies to justify the design solutions for the main circulation pumps of the heavy liquid-metal cooled reactor plant circuits. A substantial difference has been shown in the performance of pumps for the heavy liquid-metal coolant transfer. The studies have confirmed the qualitative difference in the cavitation performance of coolants, the state of the gases and vapors they contain, the influence of supply and discharge devices, and the effects of the impeller blade section performance and geometry and the hub-tip ratio on the pump performance. The studies

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Dissertations / Theses on the topic "Axial flow pumps Blades"

1

Cobian, Marcela Ivonne. "Investigation on the flow dynamics of mesoscale inlet guide vanes." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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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.<br>Keywords:Computational fluids dynamic, pump characteristics, turbomachinery, pumps, centrifugal pumps. Includes bibliographical references (leaves 88-89).

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Bice, Jonathon Ray. "Experimental investigation of a meso-scale axial flow pump." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Li, Yiguang. "Three-Dimensional Flow and Performance Simulation of Multistage Axial Flow Compressors." Thesis, Cranfield University, 2000. http://dspace.lib.cranfield.ac.uk/handle/1826/4591.

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\Yith the current develop111ent in computer technology and Computational Fluid D)"n<'tlllics techniques, t.he si11utlation within axial flow compressors becomes 1110re and 1110re pract.ical and beneficial to the compressor designs. Due to the insufficient capabilit)" of today's COll1put.ers for three-dimensional unsteady flow 1110delling of 111Ult i~Llg(' axial flow compressors, sophisticated models of steady state flow and perfor111ance 1110delling of the C0111prcssors deserve to be thoroughly investigated. In l1utltistage C0111pressor sinlulations with steady state methods, frame of referenc

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Tian, Qing. "Near Wall Behavior of Vortical Flow around the Tip of an Axial Pump Rotor Blade." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/30062.

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This dissertation presents the results from an experimental study of three-dimensional turbulent tip gap flow in a linear cascade wind tunnel with 3.3% chord tip clearance with and without moving endwall simulation. Experimental measurements have been completed in Virginia Tech low speed linear cascade wind tunnel. A 24" access laser-Doppler velocimeter (LDV) system was developed to make simultaneous three-velocity-component measurements. The overall size of the probe is 24"Ã 37"Ã 24"and measurement spatial resolution is about 100 Î¼m. With 24" optical access distance, the LDV probe allows mea

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Kazi, Sheila K. "Numerical study of simulated low Reynolds number axial turbine blades with flow transition." Thesis, Imperial College London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.490816.

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Two main sources of high losses in small axial turbines are the tip leakage loss and the Reynolds number related loss. The extents of these losses are directly related to blade geometry. Due to limitation in manufacturing capabilities and the prohibitive cost of precision engineering often the manufactured blade is very different from the design or the ideal blade shape and as a result the component efficiency degrades. Reynolds number effect plays a very important role in the low efficiency of small axial turbines. The effect of low Reynolds number is essentially separation of the flow result

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Cirit, Ali. "Design And Performance Evaluation Of Mixed Flow Pumps By Numerical Experimentation And Axial Thrust Investigation." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12608972/index.pdf.

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In this thesis a vertical turbine mixed flow pump that has a flow rate of 40 l/s and 16 mwc head at 2900 rpm is designed. Effect of design parameters are investigated and flow inside the pump is analyzed with the help of numerical experimentations. The designed pump is manufactured and tested in Layne Bowler Pumps Company and completed in T&Uuml<br>BiTAK - TEYDEB project. Pump is designed in the tolerance limits that are defined in the standard TS EN ISO 9906. Numerical experimentation results for performance charecteristics show the same trend with the test results. In addition, axial thrus

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Hodkiewicz, Melinda R. "The effect of partial-flow operation on the axial vibration of double-suction centrifugal pumps." University of Western Australia. School of Mechanical Engineering, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0067.

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[Truncated abstract] Centrifugal pumps are designed to operate at a capacity that maximizes the efficiency of the pump. Operation below this design capacity results in reduction of pump efficiency as the geometric configuration of the impeller and casing no longer provide an ideal flow pattern. Consequently there are changes in the flow field within the pump, including flow separation and regions of localized, non-uniform, unsteady flow. This flow interacts with rotating and stationary components inside the pump creating additional disturbance and hydraulic excitation. It is anticipated that

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Venter, Sarel Jacobus, and D. G. Kroger. "The effectiveness of axial flow fans in a-frame plenums." Thesis, Stellenbosch : University of Stellenbosch, 1990. http://hdl.handle.net/10019.1/15625.

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Thesis (PhD (Mechanical and Mechatronic Engineering)--University of Stellenbosch, 1990.<br>260 leaves printed single pages, preliminary pages i-xxi and numbered pages Chapter 1/1.1-1.3, Chapter 2/2.1-2.17, Chapter 3/3.1.1-3.10, Chapter 4/4.1-4.18, Chapter 5/5.1-5.3, References pages R.1-R.7, Appendix A pages A.1-A.34, Appendix B pages B.1-B.34, Appendix C pages C.1-C.26, Appendix D pages D.1-D.16, Appendix E pages E.1-E.30, Appendix F pages F.1-F.39. Includes bibliography, list of tables, figures and symbols.<br>Digitized at 600 dpi grayscale to pdf format (OCR), using a Bizhub 250 Konica M

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Williams, David A. "A 3-d model for the operation of a radiation pyrometer in an axial flow turbine." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/80097.

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An accurate knowledge of turbine blade surface temperature is desired in order to obtain maximum performance from turbine engines. A limited spectrum radiation pyrometer can be used for blade temperature measurement. A model is presented which predicts the output signal from the detector unit of a pyrometer in a turbine engine application. Six inputs are required for the model. The inputs are the turbine blade geometry, location of the pyrometer with respect to the blades being viewed, focusing parameters of the pyrometer, type of detector, transmission curve of the optical system, and an es

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Books on the topic "Axial flow pumps Blades"

1

Stepanoff, Alexey J. Centrifugal and axial flow pumps: Theory, design, and application. Krieger Pub. Co., 1993.

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2

Arts, T. Three dimensional rotational inviscid flow calculation in axial turbine blade rows. Von Karman Institute, 1985.

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Neuhoff, F. Modifications to the inlet flow field of a transonic compressor rotor. Naval Postgraduate School, 1985.

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Arasu, A. Valan. Turbo machines. Vikas Publishing House, 2008.

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5

Wasserbauer, Charles A. NASA low-speed axial compressor for fundamental research. Lewis Research Center, 1995.

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Zhou liu beng he xie liu beng: Shui li mo xing she ji shi yan ji gong cheng ying yong. Zhongguo yu hang chu ban she, 2009.

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7

Escudier, Marcel. Flow through axial-flow-turbomachinery blading. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198719878.003.0014.

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This chapter is concerned primarily with the flow of a compressible fluid through stationary and moving blading, for the most part using the analysis introduced in Chapter 11. The principles of dimensional analysis are applied to determine the appropriate non-dimensional parameters to characterise the performance of a turbomachine. The analysis of incompressible flow through a linear cascade of aerofoil-like blades is followed by the analysis of compressible flow. Velocity triangles for flow relative to blades, and Euler’s turbomachinery equation, are introduced to analyse flow through a rotor

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8

A. J., Ph.D. Stepanoff. Centrifugal and Axial Flow Pumps: Theory, Design, and Application. 2nd ed. Krieger Publishing Company, 1992.

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United States. National Aeronautics and Space Administration., ed. Centrifugal and axial pump design and off-design performance prediction. National Aeronautics and Space Administration, 1994.

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United States. National Aeronautics and Space Administration., ed. Centrifugal and axial pump design and off-design performance prediction. National Aeronautics and Space Administration, 1994.

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Book chapters on the topic "Axial flow pumps Blades"

1

Forstner, Martin, and Helmut Jaberg. "About the Onset of Partload Instability of Swept and Unswept Axial Pump Blades." In Modelling Fluid Flow. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08797-8_24.

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2

Mitamura, Yoshinori, Masayuki Fujiyoshi, Ryohei Yozu, Shiaki Kawada, and Takashi Tanaka. "Development of an Intracardiac Axial Flow Pump." In Rotary Blood Pumps. Springer Japan, 2000. http://dx.doi.org/10.1007/978-4-431-67917-2_6.

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Sultanian, Bijay K. "Axial-Flow Pumps, Fans, and Compressors." In Fluid Mechanics and Turbomachinery. CRC Press, 2021. http://dx.doi.org/10.1201/9781003053996-10.

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Noguera, R., F. Massouh, R. Rey, and S. Kouidri. "Modeling of Recirculation in Axial Flow Pumps." In Rotordynamics ’92. Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1979-1_47.

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Van den Braembussche, René A., and János Vad. "Challenges in Optimisation of Axial Flow Turbomachinery Blades for 3D Flow, Including Sweep and Dihedral Effects." In Modelling Fluid Flow. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08797-8_7.

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Felsch, K. O., and W. Stütz. "Effect of sickle shaped blades on sound generated by axial flow fans." In Fluid- and Gasdynamics. Springer Vienna, 1994. http://dx.doi.org/10.1007/978-3-7091-9310-5_22.

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Patrosz, Piotr. "Influence of Gaps’ Geometry Change on Leakage Flow in Axial Piston Pumps." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-59509-8_7.

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Bui, Ngoc Tuyen, and Duc Luong Ngo. "An Experimental Study of 3 Axes CNC Milling for a Blade of the Axial Flow Pump Impeller." In Proceedings of the 2nd Annual International Conference on Material, Machines and Methods for Sustainable Development (MMMS2020). Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69610-8_46.

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"Axial Flow Pumps." In Pumping Machinery Theory and Practice. John Wiley & Sons Ltd, 2014. http://dx.doi.org/10.1002/9781118932094.ch6.

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ANDERSON, H. H. "Cone Flow and Axial Flow Pumps." In Centrifugal Pumps. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-85461-076-1.50036-6.

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Conference papers on the topic "Axial flow pumps Blades"

1

Zhu, Honggeng, Rentian Zhang, Bin Xi, and Dapeng Hu. "Internal Flow Mechanism of Axial-Flow Pump With Adjustable Guide Vanes." In ASME 2013 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fedsm2013-16613.

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Axial-flow pumps are widely used in many fields where low pumping head and large flow rate are required such as irrigation and drainage, flood control, bio-environmental protection and inter-basin water diversion. Conventional axial-flow pump diffuser is designed with post fixed guide vanes to eliminate circulation, diffuse water and decrease flow velocity while converting dynamic energy to pressure energy. Under designed flow rate the inlet setting angle of the fixed guide vanes is designed to be equal to the outlet flow angle of the impeller blades which is regarded to be the best operating

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Kang, Can, Qifeng Huang, and Yunxiao Li. "Influence of Vane Number on the Performance of Axial-Flow Pump Under Low-Flow-Rate Conditions." In ASME 2013 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fedsm2013-16331.

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In order to further probe the relations between hydraulic features and instantaneous vibration of impeller pump, an axial flow pump designed with different combination schemes of rotor and stator is numerically investigated. Vane numbers of 5, 7 and 9 are separately adopted to match the same impeller with 4 blades. Attentions are paid on the pump’s performance under low flow rates. Saddle-shaped performance curves are proved during the three pumps’ operation with the variation of flow rate. With pre-defined non-dimensional parameters, distributions of axial velocity near the impeller and vane

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Li, Yaojun, and Fujun Wang. "Computer-Aided Design and Numerical Flow Analysis of Axial-Flow Pump With Inducer." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95369.

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Axial-flow pump equipped with inducer are widely used in marine propulsion systems. The interaction of inducer and impeller has significant effect on the performance of pump. In this study, a special axial-flow pump is designed and analysed by CAD-CFD approaches to study the interaction of inducer and impeller. The pump includes two main elements, an inducer with 3 blades mounted on a conical hub and a 6-blade impeller. The blade angle of impeller is adjustable to generate different relative circumferential angles between the inducer blade trailing edge and the impeller blade leading edge. The

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Zheng, Yuan, Ming Hu, Feng Xu, and Jingxuan Zhang. "Experimental Study on Energy Characteristics of Axial-Flow Pumps." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98160.

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An experimental study has been performed on energy characteristics of axial-flow pumps designed for one pumping station in Jiangsu province, China. The energy characteristic tests for two different model runners were carried out. The result shows that the airfoil shape of the blade profile has significant effect on the performances of the pumps. Efficiency of the pumps can be improved by using smaller camber and larger blade density.

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Shi, Lijian, Fangping Tang, Rongsheng Xie, Lilong Qi, and Zhengdong Yang. "Design Optimization of Axial-Flow Pump Blades Based on iSIGHT." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-02756.

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This paper research the influence of cascade dense degree and airfoil placed angle on hydralic performance of axial flow pump blades. Which combines the numerical optimization technology with the advanced CFD simulation technique, replaces designers’ experience by mathematical models for controlling of the blade design direction. Finally, a platform for of the optimization design of axial-flow pump blades is built in this paper. The platform which based on the multidisciplinary optimization software iSIGHT is to design and optimize the axial flow blades. The automatic optimization design platf

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Zhang, De-sheng, Wei-dong Shi, Bin Chen, and Xing-fan Guan. "Numerical Simulation and Flow Field Measurement of High Efficiency Axial-Flow Pump." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78100.

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In order to analyze the flow characteristics of a high efficiency axial-flow pump, the behavior of the flow in an adjustable axial-flow pump bas been analyzed by numerical simulations of the entire stage based on Fluent software. The prediction data shows agreement with the experimental results. Numerical results show that the static pressure on pressure side of rotor blades increases slightly at radial direction, and remains almost constant in circumferential direction at design conditions, while it increases gradually from inlet to exit on suction side along the flow direction. The static pr

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Zhang, Desheng. "Experimental Investigation of Tip Cavitating Vortices in Axial-Flow Pump." In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69178.

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The primary goal of this work focuses on the cavitating vortices in the tip region of an axial-flow pump with 3 and 4 blades mainly based on the high-speed imaging experiments, with special attention on the trajectory and dynamics of a large-scale cavitation structure. The hydraulic and cavitation performance between two impellers were compared, and it can be found that the model with 4 blades has a relative wide range of stable operating conditions as well as the better anti-cavitation ability. By the analysis of the cavitation curves, it confirms that the highly unsteady tip cavitation cloud

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Xie, J., R. S. Amano, and E. K. Lee. "An Evaluation of Simulated Flow and Experimental Study Through an Axial Fan." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/cie-48252.

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A comprehensive three-dimensional CFD approach and experimental study is developed for a 6-ft diameter commercial axial fan with rotational speed up to 1014 rpm. The use of sophisticated CFD software has made it possible to simulate fluid flow in complex moving geometries found in rotating machinery such as fans, pumps compressors, etc. In this paper, FLUENT is used to study an axial fan performance. Simulations are performed for steady state conditions using an implicitly rotating reference frame for the blades. Experimental studies are also conducted to visualize the flow on fan blade surfac

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Chen, Xin, and Jianping Tan. "Computational Prediction of Hemolysis by Blade Flow Field of Micro-Axial Blood Pump." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93910.

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By analyzing fluid dynamics of blood in an artificial blood pump and simulating the flow field structure and the flow performance of blood, the blood flow and the damages in the designed blood pump would be better understood. This paper describes computational fluid dynamic (CFD) used in predicting numerically the hemolysis of blade in micro-axial blood pumps. A numerical hydrodynamical model, based on the Navier-Stokes equation, was used to obtain the flow in a micro-axial blood pump. A time-dependent stress acting on blood particle is solved in this paper to explore the blood flow and damage

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Liu, Guangmao, Donghai Jin, Mengyu Wang, and Xingmin Gui. "Numerical Design of a Partial-Support Axial Blood Pump." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4916.

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Abstract Partial-support is the main support mode for “less sick” patients with severe heart failure. But there were fewer partial-support blood pumps for clinical use. An implantable partial-support axial blood pump was developed for heart failure patients. To gain better hemolytic performance and lower pump thrombus risk, the rotor blades were extended to the contractive section of the rotor hub while cone-bearing was adopted. The hydraulic and hemolytic performance of the blood pump was simulated and analyzed by computational fluid dynamics (CFD) method. The flow velocity, hydraulic efficie

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Reports on the topic "Axial flow pumps Blades"

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Simpson, Roger L. The Near-Wall Behavior of Unsteady Vortical Flow Around the Tip of an Axial Pump Rotor Blade. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada421059.

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