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experimental and numerical research on high pumping

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Experimental and numerical research on high pumping ...

2007-2-1  Experimental and numerical research on high pumping performance mechanism of lobed exhauster-ejector mixer ... According to the experimental and numerical results, the conical mixer with the cross-area ratio of 2.5 and the expand angle of 14.4° gives the highest pumping ratio of 0.528. The highest pumping ratio 0.598 for cylindrical mixers is ...

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Experimental and numerical research on high pumping ...

The numerical results show that the flow field to give high or the highest pumping ratio is that there is a distinct thin layer (tear layer) of the secondary flowing fluid with less velocity on the inner wall of the mixer. The distinct thin layer much decreases the friction

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Experimental and numerical research on high pumping ...

Experimental and numerical research on high pumping performance mechanism of lobed exhauster-ejector mixer February 2007 International Communications in Heat and Mass Transfer 34(2):197-209

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Numerical and Experimental Investigation of High ...

The results of numerical simulation and experiments supply important flow structure information for the high-efficiency axial-flow pump. Discover the world's research 20+ million members

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Experimental and numerical investigation of pumping ...

2020-7-15  To address these research gaps, this paper presents of experimental and numerical 3D simulations of pumping ventilation that were performed with focus on the leeward side of a cubic building. The wind tunnel experiments use a large-scale model, 1/20 scale, that can simulate partially open windows (bottom-hung).

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Experimental and Numerical Investigations on the Air ...

Request PDF Experimental and Numerical Investigations on the Air-Pumping Phenomenon in High-Speed Spur and Helical Gears An approximate hydrodynamic model of

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Experimental and Numerical Investigations on the Air ...

2021-7-9  Experimental and Numerical Investigations on the Air-Pumping Phenomenon in High-Speed Spur and Helical Gears Y Diab, F Ville, H Houjoh, P Sainsot, and P Velex Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 2005 219 : 8 , 785-800

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Experimental and Numerical Investigation of the ...

2017-5-22  In the oil and gas industry, crude oil is frequently transported and centrifugal pumps are used extensively. The pump impeller works under both design and off-design conditions in the applications, and the flow pattern deviates from the ideal case because of viscosity and density changes. An experimental as well as a numerical study was conducted to study the performance of a pump

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(PDF) Numerical and Experimental Investigation on the ...

2015-7-26  Numerical and Experimental Investigation on the Radial Force Characteristic of a Large Double Suction Centrifugal Pump in a Real Pumping Station July 2015 DOI: 10.1115/AJKFluids2015-33468

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Experimental and Numerical Research on the Performance

Experimental and numerical study of thin ring and annular fin effects on improving the ice formation in ice-on-coil thermal storage systems[J] Applied Energy , 189 ( 2017 ) , pp. 369 - 384 Article Download PDF View Record in Scopus Google Scholar

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Numerical and Experimental Investigation of High ...

The results of numerical simulation and experiments supply important flow structure information for the high-efficiency axial-flow pump. Discover the world's research 20+ million members

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Experimental and Numerical Investigations on the Air ...

Request PDF Experimental and Numerical Investigations on the Air-Pumping Phenomenon in High-Speed Spur and Helical Gears An approximate hydrodynamic model of

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Numerical simulation and experimental study on ...

2014-10-22  Abstract: Research on three-dimensional flow field in a postpositive tubular pumping system using numerical simulation based on the Reynolds time-averaged Navier-Stokes equations and the RNG k-ε turbulent model. By using this method, the performances of pumping system such as head, shaft power and efficiency are predicted based on the calculation of different operating conditions.

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Experimental and numerical investigation of circularly ...

According to the experimental and numerical results, the conical mixer with the cross-area ratio of 2.5 and the expand angle of 14.4° gives the highest pumping ratio of 0.528.

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Processes Free Full-Text Numerical and Experimental ...

This paper presents an investigation of external flow characteristics and pressure fluctuation of a submersible tubular pumping system by using a combination of numerical simulation and experimental methods. The steady numerical simulation is used to predicted the hydraulic performance of the pumping system, and the unsteady calculation is adopted to simulate the pressure fluctuation in ...

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Experimental Observation of Temporal Pumping in ...

2021-3-2  Figure 4. Experimental demonstration of temporal pumping in the electromechanical waveguide. (a) Transient time history illustrating a transition from a left-localized mode to a right-localized mode, induced by a linear temporal phase variation from ϕ 1 = 1.6 π → ϕ 2 = 0.4 π starting at t = 12 ms, with a duration of 2 ms.(b) Spectral content of broadband excitation in quasistatic ...

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Experimental and numerical research on high‐temperature ...

2019-12-17  Experimental and numerical research on high‐temperature thermal insulation performance of lightweight porous ceramic/nanomaterial composite structure Experimentelle und numerische Forschung der Hochtemperatur‐Wärmedämmungseigenschaften von Leichtbau‐Verbundwerkstoffstrukturen aus porösen keramischen Nanowerkstoffen.

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Experimental and Numerical Investigation on Basic Law of ...

2021-7-22  Using the dense linear multihole to control the directional hydraulic fracturing is a significant technical method to realize roof control in mining engineering. By combining the large-scale true triaxial directional hydraulic fracturing experiment with the discrete element numerical simulation experiment, the basic law of dense linear holes controlling directional hydraulic fracturing was ...

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Experimental and numerical research on high‐temperature ...

2019-12-17  Experimental and numerical research on high-temperature thermal insulation performance of lightweight porous ceramic/nanomaterial composite structure Experimentelle und numerische Forschung der Hochtemperatur-Wärmedämmungseigenschaften von Leichtbau-Verbundwerkstoffstrukturen aus porösen keramischen Nanowerkstoffen.

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Experimental and numerical research on magnetic pulse ...

2018-8-1  Magnetic pulse forming is high velocity forming technology, which requires the workpiece with better conductivity. However, high-strength steel with lower conductivity is difficult to deform by magnetic pulse forming. In this paper, AA1060 sheet was employed to drive DP600 sheet which was used to solve the forming problem of high-strength steel in magnetic pulse forming. Experimental tests and ...

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Experimental and numerical investigation of circularly ...

According to the experimental and numerical results, the conical mixer with the cross-area ratio of 2.5 and the expand angle of 14.4° gives the highest pumping ratio of 0.528.

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Experimental and Numerical Research of the Effects of a ...

2008-9-5  Roth, M, Stoffel, B, Ludwig, G. "Experimental and Numerical Research of the Effects of a Perturbed Inflow of a Centrifugal Pump." Proceedings of the ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering.

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Numerical and experimental investigation of tank-type ...

2021-7-8  Jiepai Pumping Station is a bidirectional pumping station for diversion and drainage. The net head range of diversion is 0–3.47 m; the design net head is 1.16 m and the design flow is 300 m 3 /s, while the net head range of drainage is 0–3.33 m and the design net head is 2.75 m. Jiepai Pumping Station is equipped with nine vertical axial-flow pumps, which have adjustable blades.

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Numerical Research on Performance of High-Speed Partial ...

2021-1-18  The high-speed partial emission pump is a small flow and high-head pump, which has been widely used. To study the main factors affecting the performance of high-speed partial emission pumps, numerical simulation methods were used to calculate the performance parameters of high-speed partial emission pumps with and without inducers, and the external characteristic parameters were verified ...

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Experimental Observation of Temporal Pumping in ...

2021-3-2  Figure 4. Experimental demonstration of temporal pumping in the electromechanical waveguide. (a) Transient time history illustrating a transition from a left-localized mode to a right-localized mode, induced by a linear temporal phase variation from ϕ 1 = 1.6 π → ϕ 2 = 0.4 π starting at t = 12 ms, with a duration of 2 ms.(b) Spectral content of broadband excitation in quasistatic ...

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Experimental and numerical research on high‐temperature ...

2019-12-17  Experimental and numerical research on high‐temperature thermal insulation performance of lightweight porous ceramic/nanomaterial composite structure Experimentelle und numerische Forschung der Hochtemperatur‐Wärmedämmungseigenschaften von Leichtbau‐Verbundwerkstoffstrukturen aus porösen keramischen Nanowerkstoffen.

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Experimental and numerical research on high‐temperature ...

2019-12-17  Experimental and numerical research on high-temperature thermal insulation performance of lightweight porous ceramic/nanomaterial composite structure Experimentelle und numerische Forschung der Hochtemperatur-Wärmedämmungseigenschaften von Leichtbau-Verbundwerkstoffstrukturen aus porösen keramischen Nanowerkstoffen.

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Experimental and Numerical Research on Application of

This paper deals with numerical and experimental study on the performance of MGC turbine nozzles conducted in 2003. Firstly the bow stacked solid nozzle has been designed by using numerical analyses under the gas flow condition at 1700°C that is the final target inlet gas temperature of the MGC turbine project (2001–2005).

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NUMERICAL AND EXPERIMENTAL RESEARCH ON

2016-11-28  2.1 The Experimental Flight Test Vehicle The EFTV, see Fig. 1, is a hypersonic glider 3.29m long and with a span of about 1.23m. The EFTV has a two-dimensional nosetip with 2mm rounding and 2mm lateral fillet, while the wing is characterized by a 80° sweep angle and 14° NUMERICAL AND EXPERIMENTAL RESEARCH ON AERODYNAMICS OF A HIGH-SPEED PASSENGER

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Experimental and numerical research on magnetic pulse ...

2018-8-1  Magnetic pulse forming is high velocity forming technology, which requires the workpiece with better conductivity. However, high-strength steel with lower conductivity is difficult to deform by magnetic pulse forming. In this paper, AA1060 sheet was employed to drive DP600 sheet which was used to solve the forming problem of high-strength steel in magnetic pulse forming. Experimental tests and ...

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