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  • Three-dimensional Navier-Stokes simulations of

    2012-5-23 · No Access. Three-dimensional Navier-Stokes simulations of turbine rotor-stator interaction. Part I - Methodology. Man Mohan Rai. Man Mohan Rai. NASA Ames Research Center, Moffett Field, California. Search for more papers by this author. Published Online:23 May 2012 https://doi.org/10.2514/3.23154. PDF.

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  • Three-dimensional effects and arm effects on

    2010-10-1 · Firstly, we compare the power coefficients obtained by using the numerical models (both two-dimensional and three-dimensional) with the experimental results reported by Templin .The basic specifications of the turbine are that the turbine is a one-blade turbine, the blade type is NACA0015 (curved blade, the detailed curvature can be found in Templin ), the solidity (Nc/R, where N and c …

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  • Three-dimensional fuzzy control for ship electric ...

    The three-dimensional fuzzy controller is useful in improving the turbine control of the ship electric propulsion system. Discover the world's research 20+ million members

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  • Three-dimensional manufacturing methods and

    The gas turbine engine 10 may be any one of a number of different gas turbine engines offered by General Electric Company of Schenectady, N.Y., including, but not limited to, those such as a 7 or a 9 series heavy duty gas turbine engine and the like. The gas turbine engine 10 may have different configurations and may use other types of ...

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  • Comparison of cutting efficiencies between electric and ...

    2018-3-19 · The electric handpiece is more efficient at cutting various materials used in dentistry, especially ma-chinable glass ceramic, silver amalgam, and high noble alloy, than the air-turbine handpiece. (J Prosthet Dent 2010;103:101-107) Comparison of cutting efficiencies between electric and air-turbine dental handpieces

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  • Novel Ceramic Turbine Rotor Concept. | National

    An air-cooled composite material containment hoop is utilized at the outer diameter of ceramic air-cooled fins which support ceramic turbine blades in compression against a radially compliant wheel. The design study of this Compression Structured Ceramic Turbine Rotor included detailed material, heat transfer, and 3-D stress analyses.

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  • Dimensional Accuracy of Dental Models for Three

    Previous studies on accuracy of three-dimensional (3D) printed model focused on full arch measurements at few points. The aim of this study was to examine the dimensional accuracy of 3D-printed models which were teeth-prepped for three-unit fixed prostheses, especially at margin and proximal contact areas. The prepped dental model was scanned with a desktop scanner.

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  • Dynamic analysis of three-dimensional drivetrain

    2014-8-1 · In our previous study, a torsional model was used to perform a dynamic analysis of a wind turbine drivetrain. However, detailed characteristics could not be obtained with this torsional model. In this paper, the mathematical model of the wind turbine drivetrain is extended to a three-dimensional dynamic model. A typical arrangement with one low-speed planetary gear stage and two highspeed spur ...

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  • (PDF) Prediction of Radiative Heat Transfer in a Three ...

    The finite-volume method for radiation in a three-dimensional non-orthogonal gas turbine combustion chamber with absorbing, emitting and anisotropically scattering medium is presented.

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  • A Machining Science Approach to Dental Cutting of Glass ...

    The dental cutting was conducted on a two-dimensional computer-assisted apparatus to simulate clinical cutting operations using a high-speed electric handpiece (Ti95L, NSK, Japan), which can be run at the maximum rotational speed of 200 krpm. Figure 1(a) shows the image of cutting a ceramic using a dental handpiece and a bur.

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  • Steam Turbines for Power Generation | GE Steam Power

    2021-7-23 · Steam turbine services for coal and nuclear power plants. Our vast portfolio of steam turbine service solutions, advanced reverse engineering capabilities and steam turbine spare parts packages covers GE and other OEM fleets—from turbine operations and …

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  • L.A Turbine | Rethinking Turboexpanders

    L.A. Turbine is a privately held full-service turboexpander engineering, manufacturing and aftermarket services company serving customers on five continents. Since 2003, LAT has been the go-to aftermarket service provider to thousands of global customers regardless of the OEM.

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  • Highly-reliable Design Technology of Steam Turbine for ...

    2015-3-31 · Unit 2 of Hokuriku Electric Power Company’s Shika Nuclear Power Station. APPLICATION OF THE LATEST FLUID ANALYSIS TECHNIQUES AND DEVELOPMENT OF NEW BLADE Use of the Latest Fluid Analysis Techniques to Identify Cause of Damage A multi-stage quasi-three-dimensional unsteady flow analysis of a 60-Hz/1,800-rpm steam turbine

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  • A Machining Science Approach to Dental Cutting of Glass ...

    The dental cutting was conducted on a two-dimensional computer-assisted apparatus to simulate clinical cutting operations using a high-speed electric handpiece (Ti95L, NSK, Japan), which can be run at the maximum rotational speed of 200 krpm. Figure 1(a) shows the image of cutting a ceramic using a dental handpiece and a bur.

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  • Dental Chair Package, ZC-S400 | JOINCHAMP

    2021-7-10 · S400 2020 type dental chair package is designed with simple and elegant style. Its streamlined shape highlights the three-dimensional beauty. Classic and modern color matching meets your individual needs.

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  • Advancements in metal 3D printing - Roland Berger

    2021-7-23 · and turbine blades. For the last of these items, PBF-L costs as much as 70 times more than conventional man-ufacturing techniques, for example. B The productivity of PBF-L is closely linked to the num-ber of lasers that are active at the same time. One produc-er of PBF-L equipment is currently preparing to launch a

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  • TEMPERATURE AND MOISTURE EFFECTS ON COMPOSITE

    2019-11-26 · study were all appropriate for wind turbine blades in terms of low cost and low viscosity for easy processing by resin transfer molding (RTM). Specimens were conditioned in one of three ways: room temperature dry, 50°C dry in an oven and 50°C in distilled water. Water absorption was determined at 50°C both for composites and neat resins as a

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  • Pulse jet 3 & 4 jet cartridges - hengst.com

    Pulse jet 3 & 4 jet cartridges. Nordic Air Filtration's standard Pulse jet 3 & 4 lug cartridges can be installed from either the clean side or the dirty side. It is customized directly on site by placing the gasket either on the upside or underside of the top cap. The pulse jet 3 & …

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  • Jeffrey Ambroziak* - FisherBroyles

    Jeff has prepared and successfully prosecuted hundreds of utility and design patent applications involving an array of technologies including, but not limited to, augmented reality, gas turbine engines, computer software, artificial intelligence, electric car charging technology and three dimensional mapping.

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  • Three-dimensional printing of continuous-fiber

    2016-3-11 · Three-dimensional (3D) printing 1,2,3 or additive manufacturing 4,5,6 enables the fabrication of near-net-shaped complex 3D parts without expensive molds or tools in short periods of time, based ...

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  • [An approach to the dental CAD/CAM using the

    [An approach to the dental CAD/CAM using the electric discharge machining (2). Development of the three dimensional multi functional NC machine and the machining properties by the RAM type EDM in …

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  • Three-dimensional Extraoral Digital Imaging - Dental

    Three-dimensional Extraoral Digital Imaging The advances in Cone Beam Computed Tomography (CBCT) allowing three-dimensional digital imaging in the last decade is impressive. General and specialist dental practices certainly benefit from a 3D digital system that includes panoramic, cephalometric, and Cone Beam imaging programs (Figures 29-30).

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  • Dental Chair Package, ZC-S400 | JOINCHAMP

    2021-7-10 · S400 2020 type dental chair package is designed with simple and elegant style. Its streamlined shape highlights the three-dimensional beauty. Classic and modern color matching meets your individual needs.

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  • Three-dimensional simulation of unsteady flows in a

    2016-5-12 · Three-dimensional numerical simulation for a prototype pump-turbine has been performed to investigate the transient characteristics and flow behaviors in the startup process. The rotational speed, which varies with runner torque and inertial of the rotating systems, is obtained by hydraulic-force coupling method.

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  • Turbulent three-dimensional dielectric

    2020-9-2 · Analysis of two-point correlations and integral length scales show that full three-dimensional electroconvection is more chaotic than in two dimensions and this is also noted by qualitatively observing the roll structures that arise for both low and high electric Reynolds numbers (up to ).

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  • Energies 2015 OPEN ACCESS energies - MDPI

    2015-6-25 · For three-bladed wind turbine, the rotor aerodynamic torque exists 3P (3 is the number of blades, P is the rotor rotation angular frequency) ripple component caused by the wind shear and tower shadow. Thus, this model can more accurately reflect the wind load conditions of the wind turbine. The equivalent wind speed analytical equations

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  • Operator's ability at assessing a high-speed (air

    2015-1-23 · The ability to identify the three 'unsafe' air turbine handpiece faults (broken chuck, loose spray cap and loose back cap). ... patient burns from electric dental handpieces. 2007.

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  • Hydroelectric turbine blade design propelled by

    2016-3-11 · Three-dimensional (3D) printing 1,2,3 or additive manufacturing 4,5,6 enables the fabrication of near-net-shaped complex 3D parts without expensive molds or tools in short periods of time, based ...

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  • Three-dimensional printing of continuous-fiber

    2019-12-24 · A dental x-ray is a picture of your teeth and gums. An x-ray shows what can't be seen on the surface of the teeth and gums. Braces are used by dentists to straighten teeth over a period of years. 13 流利说_懂你英语_Level4_Unit1 Though braces are usually for children, they can also be used for adults with crooked teeth.

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  • China Turbine, Turbine Manufacturers, Suppliers, Price ...

    Kaplan and Fixed Blade Propellor Turbine (ZDJP520-WJ-200) FOB Price: US 90000 Piece. Min. Order: 1 Piece. Output Type: AC Three Phase. Water Head: 2-40m. Advantage: High Change in Load and Water Head. Runner Diameter: 0.35-4m. Runner Material: Zg0cr13ni4mo.

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  • [An approach to the dental CAD/CAM using the

    1991-3-1 · [An approach to the dental CAD/CAM using the electric discharge machining (2). Development of the three dimensional multi functional NC machine and the machining properties by the RAM type EDM in diionized water].

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  • Highly-reliable Design Technology of Steam Turbine for ...

    2015-3-31 · Unit 2 of Hokuriku Electric Power Company’s Shika Nuclear Power Station. APPLICATION OF THE LATEST FLUID ANALYSIS TECHNIQUES AND DEVELOPMENT OF NEW BLADE Use of the Latest Fluid Analysis Techniques to Identify Cause of Damage A multi-stage quasi-three-dimensional unsteady flow analysis of a 60-Hz/1,800-rpm steam turbine

    Get Price
  • Woodpecker Dental Products at Best Price Online ...

    Buy Woodpecker Dental Products. Woodpecker, the biggest ultrasonic scaler manufacturer, owns a maximal production and consumption of ultrasonic scaler in the world.The export volume of LED curing light is also in the leading position. In the past 26 years, Woodpecker has been focused on researching, developing, selling dental equipment.

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  • ONERA three-dimensional icing model | AIAA Journal

    2012-5-17 · ONERA three-dimensional icing model. ... Simulation and analysis of wind turbine ice accretion under yaw condition via an Improved Multi-Shot Icing Computational Model. ... Numerical Simulation of the Anti-Icing Performance of Electric Heaters for Icing on the NACA 0012 Airfoil. 27 August 2020 | Aerospace, Vol. 7, No. 9 ...

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  • I have it—You want it! Bien-Air turbines and electric ...

    2017-9-1 · Dental air turbine handpiece has evolved significantly over the years and it remains a vital part of dentistry today. It has been widely used in clinical dentistry as the main cutting tool for more than 50 years [1]. The handpiece is a standard instrument in dentistry that is used to remove carries, cavity preparation, tooth tissue grinding and ...

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  • A Numerical Study on Performance of Dental Air

    2016-3-11 · Three-dimensional (3D) printing 1,2,3 or additive manufacturing 4,5,6 enables the fabrication of near-net-shaped complex 3D parts without expensive molds or tools in short periods of time, based ...

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  • Three-dimensional printing of continuous-fiber

    2019-12-12 · An electric-current-assisted method was used to mineralize dense hydrogels and create hydroxyapatite/hydrogel composites with unique hierarchical structures. The microstructure of the final material can be controlled by the mineralization technique and the chemistry of the organic matrix. A hydroxyapatite/hydrogel composite was obtained with a large inorganic content (∼60% of the weight of ...

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  • Three-Dimensional Biomimetic Mineralization of

    2021-7-9 · In November 2020, General Electric was awarded a contract by European Energy to produce, supply and install 22 Cypress wind turbine units for three wind farms, based in Lithuania.

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  • [An approach to the dental CAD/CAM using the

    1991-3-1 · [An approach to the dental CAD/CAM using the electric discharge machining (2). Development of the three dimensional multi functional NC machine and the machining properties by the RAM type EDM in diionized water].

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  • Dental Fiber Optic E-generator LED 4 Holes 3 Sprays

    USD 22.99. E-generator LED Fiber Optic Dental High Speed Handpiece 4 hole 3 Water Spray US. USD 22.79. 1μl-10ml Single Channel Pipette Adjustable Volume Pipettor for Lab and School. USD 24.99. Dental Fiber Optic E-generator LED 4 Holes 3 Sprays High Speed Turbine …

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  • Steam Turbines for Power Generation | GE Steam Power

    2021-7-23 · Steam turbine services for coal and nuclear power plants. Our vast portfolio of steam turbine service solutions, advanced reverse engineering capabilities and steam turbine spare parts packages covers GE and other OEM fleets—from turbine operations and …

    Get Price
  • Woodpecker Dental Products at Best Price Online ...

    Buy Woodpecker Dental Products. Woodpecker, the biggest ultrasonic scaler manufacturer, owns a maximal production and consumption of ultrasonic scaler in the world.The export volume of LED curing light is also in the leading position. In the past 26 years, Woodpecker has been focused on researching, developing, selling dental equipment.

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  • Gas Turbine Technology option - MSc in Thermal Power

    The axial turbine stage: Aerodynamic concepts and parameters, velocity triangles, reaction, stage loading, flow coefficients. The ideal and real characteristic. Design for maximum power: effect of choking and change of inlet temperature and pressure. Stage efficiency, overtip leakage, profile losses, correlations. Three-dimensional design aspects.

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  • Buy Dental Care Kits at Lowest Prices | Jumia Nigeria

    Dental Teeth Oral Cleaning Care Orthodontic Kits Brush Floss Thread Wax 8pcs/kit#Green. ₦ 4,880. ₦ 9,760. 50%.

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  • Photos: Is GE's Space Frame Tower the Future of Wind

    2014-3-7 · GE will introduce a 139-meter-tall space frame for its 2.75-megawatt, 120-meter rotor turbine on March 11 at the European Wind Energy Association conference. A space frame is a three-dimensional ...

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  • An Effective Three-Dimensional Layout of Actuation

    We conducted large eddy simulations of the control of separated flow over an airfoil using body forces and discuss the role of a three-dimensional vortex structure in separation control. Two types of cases are examined: (1) the body force is distributed in a spanwise uniform layout and (2) the body force is distributed in a spanwise intermittent layout, with three-dimensional vortices being ...

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  • General Electric (GE) Wins Turbine Deal From

    2021-7-16 · A three dimensional (3D)-printed guide plate can be used to find the curved articular surface from the donor site which optimally fits the defect in the talus. Herein, we present the case of a 28-year-old man who had an open injury from the crash of a tricycle in the right ankle at the age of 5.

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