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  • OFN900 : TiMax Z Turbine Z900L - DD - Dental

    Three dimensional rotor Z900L Features - Optic, Standard head, 26W, Rotation 320,000~400,000 min-1, Head Size Ø12.5 x H13.1 mm, Quattro Spray, Titanium Body, DURAGRIP Body Coating, Cellular Glass Optics, Ceramic Bearings, Clean Head System, Push Button Chuck & Microfilter.

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  • OFN80K : TiMax Z Turbine Z800KL - DD - Dental

    Easy grip body shape; Compatible with other couplings; Three dimensional rotor; Z800KL Specifications-Optic; Miniature Head; Power 21W; Rotation 360,000~440,000 min-1; Head Size Ø10.8 x H12.1 mm; Quattro Spray; Titanium Body Material; DURAGRIP Body Coating; Z800KL Features-

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  • Three-dimensional wind turbine positioning using

    2018-1-1 · Three-dimensional wind turbine positioning using Gaussian particle swarm optimization with differential evolution. ... Numerical results reveal the necessity of the three-dimensional (3D) optimization. ... The greedy algorithm is able to find better solution in relatively easy conditions, but the present method prevails in more difficulty ...

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  • Study on an innovative three-dimensional wind

    2018-9-15 · Highlights. An original analytical three-dimensional wind turbine wake model is presented. The expression of wake model is simple and its computational cost is low. The accuracy of wake model is validated by the wind tunnel measured data. The wake model has a good accuracy beyond the 5D downwind of distance.

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  • One and Three-Dimensional Analysis of Centrifugal ...

    2010-12-22 · One and Three-Dimensional Analysis of Centrifugal Compressor for 600 kW Simple Cycle Gas Turbine Engine Elkin I. Gutie´rrez Vela´squez, Elkin I. Gutie´rrez Vela´squez Universidade Federal de Itajuba´, Itajuba´, MG, Brazil. Search for other works by this author on:

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  • A novel three-dimensional wake model based on

    The purpose of this paper is to develop an easy-to-use three-dimensional elliptical Gaussian shape wake model (3DEG model). The main contributions with respect to conventional models are as follow: (1) Multivariate Gaussian function with anisotropic standard deviations is adopted in derivation process instead of the standard Gaussian function with a uniform standard deviation, (2) the wind ...

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  • A Design Methodology for Radial Turbomachinery ...

    procedure The software procedure consists of: one-dimensional design methods for radial turbine and compressor, two-dimensional hub-tip throughflow analysis, geometrical representation of blade passages with Bezier curves based model, three-dimensional Navier-Stokes solver. All the codes have been developed at DIMSET in the present or in previous

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  • One-dimensional pulse-flow modeling of a twin-scroll

    2016-11-15 · A more realistic restriction for the rotor boundary data need to be developed in the future to reduce/eliminate the formation of such reverse flow, if further improvement in the prediction is desired. Three-dimensional CFD modeling may come in handy for such a study seeing that experimental measurement across the turbine rotor is not an easy task.

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  • Steam turbine upgrades for power plant life

    2011-1-1 · The exchange of major internal turbine components such as the rotor and steam path (blades) for an upgraded design is commonly referred to as turbine retrofit. The practice of steam turbine retrofits has been firmly established since their introduction on fossil units in the 1980s. This chapter will focus on steam turbine retrofits, discussing ...

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  • Scour protection assessment of monopile foundation

    This paper presents a three-dimensional finite element model to investigate the effects of scour protection on natural frequency, lateral deformation of piles, pile stress and fatigue damage of a wind turbine supported by a monopile installed in sand. A 1-g scale experiment of an offshore wind turbine with monopile foundation was conducted.

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  • A Sectioning Technique for Extraction of Impacted Third ...

    2015-12-8 · speed airturbine dental drill has been reported [7] . Therefore, using air turbine can lead to, at least indirectly, significant postoperative complications. An alternative and more conservative approach is to forego the use of air turbine and instead use a fissure bur powered by a low -speed handpiece [8]. Howe ver, a fissure bur has lower

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  • AIR TURBINES - Amazon Web Services

    2016-11-4 · New Three-Dimensional Rotor *With the Z900L We harnessed the latest computer analysis software to develop a rotor with higher output. We created a new three-dimensional curved shape after relentless simulations and pilot production. The blade is 50% larger than that of the Ti-Max X Air Turbine. With this new rotor, the air turbine delivers an

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  • RENFERT Catalog 2019 - Renfert - PDF Catalogs |

    EASY view 3D - whenever magnification makes work easy IjSupport for daily processing of classically fabricated and digitally manufactured precision work 1^ Reliable quality control and quality management Quick and easy communication with the dental practice, patients and specialists |£| Creation of photos and video sequences ATION BW INNOV 2018 Innovation Award Baden-Wurttemberg Dr.-Rudolf ...

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  • Pearl Dental Software | History of Dental Technology ...

    Pearl Dental Software is designed to make it easier to run your practice smoothly and efficiently, just like a turbine-powered handpiece. This includes excellent diary management features that not only keep your practice busy, but make it easy for your nurses to understand the treatments they will see during the day, and to plan their handpiece ...

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  • A Design Methodology for Radial Turbomachinery ...

    procedure The software procedure consists of: one-dimensional design methods for radial turbine and compressor, two-dimensional hub-tip throughflow analysis, geometrical representation of blade passages with Bezier curves based model, three-dimensional Navier-Stokes solver. All the codes have been developed at DIMSET in the present or in previous

    Get Price
  • Development of the Dual Vertical Axis Wind Turbine

    2017-9-7 · The analysis of this new turbine is done through the use of computational fluid dynamics (CFD) with two-dimensional (2D) and three-dimensional (3D) simulations. While 2D is used to validate the methodology, 3D is used to get an accurate estimate of the turbine performance.

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  • A Simple Correlation of Turbine Efficiency

    a model turbine, Fig. 4 shows the characteristics of the two-stage L.P. turbine of th RBe Spe 163-25. y. This engine will come into production in 1965 and will power the later versions of the BAC One-Eleven and the Hawker Siddeley Trident. This turbine is representative of the company's modern designs. The aerodynamic loadings are chosen to give a

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  • US5121329A - Apparatus and method for creating

    Apparatus incorporating a movable dispensing head provided with a supply of material which solidifies at a predetermined temperature, and a base member, which are moved relative to each other along 'X,' 'Y,' and 'Z' axes in a predetermined pattern to create three-dimensional objects by building up material discharged from the dispensing head onto the base member at a controlled rate.

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  • PISA: New Design Methods for Offshore Wind Turbine

    2017-12-21 · to be important for wind turbine monopiles. The development of the design method is based on detailed three dimensional finite element (3D FE) analyses. In this way the benefits of numerical Ca libra t e d va lida t e d de sign me t ho ds Finit e e le me nt mo de lling Exist ing kno wle dge o f t e st sit e s Kno wle dge o f

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  • SPRING FOUNDATIONS OF MACHINES WITH ROTATING

    2012-8-19 · tively easy to construct. In the factory building, compressed air is usually not a problem but anyway the pressurized system is an extra feature demanding maintenance. As far as the writer knows, air springs are not used in turbine foundations. Since 1930's they are, …

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  • A Sectioning Technique for Extraction of Impacted Third ...

    2015-12-8 · speed airturbine dental drill has been reported [7] . Therefore, using air turbine can lead to, at least indirectly, significant postoperative complications. An alternative and more conservative approach is to forego the use of air turbine and instead use a fissure bur powered by a low -speed handpiece [8]. Howe ver, a fissure bur has lower

    Get Price
  • OP 3D™ Vision The upgradable 3D X-ray ... - KaVo

    2021-6-26 · Regardless of which dental query you may have, the KaVo ORTHOPANTOMOGRAPH™ OP 3D Vision X-ray system is the answer. Whether it is for implantology, surgery, endodontics, TMJ, respiratory path analysis or orthodontics. Even with complex indications, a quick diagnosis and simple creation of treatment plans is ensured. Which ORTHOPANTOMOGRAPH™ is best for you? Compare …

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  • Hydro Turbine Alignment Services | Dimensional

    Hydro Turbine Alignment Services. Serving a variety of industries nationwide, Schaeffer Precision Alignment is a key provider of state-of-the-art laser tracker services for the dimensional measurement and inspection of hydro turbine systems. We are at the forefront of metrology technology and practice, offering rapid digital reporting and 3D ...

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  • 3 Oxford Tidal Energy Workshop - University of Oxford

    2014-4-8 · Three Dimensional Numerical Simulations of a Straight-Bladed Vertical Axis Tidal Turbine. 18th Australasian Fluid Mechanics Conference Launceston, Australia, 3-7 December. [4] Rawlings, G.W. (2008). Parametric characterization of an experimental vertical axis hydro turbine. BASc, University of British Columbia. [5] Kirke B.K, (2011).

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  • Replacement Parts - Henry Schein Dental

    SUPERtorque Turbine Cartridge FG f SPRtrq 625/630/630A/640/640A HP Each 6282591 | Kavo — 0.553.6671. Please note this item may ship standard ground delivery service. If you need priority delivery on this item, please remove the item from the cart and call 800-472-4346 to speak with a sales representative who can assist in having this item ...

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  • $FWXDWRU/LQH6LPXODWLRQRI:DNHRI:LQG7XUELQH ...

    The flow field around the wind turbine rotor was simulated using the actuator line model developed by Sørensen and Shen [18]. This model combines a three-dimensional Navier-Stokes solver with a technique in which body forces are distributed radially along lines representing the blades of the wind turbine.

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  • Wind Turbine Power: The Betz Limit and Beyond

    2019-5-11 · turbine, the maximum energy that can be extracted from the wind kinetic energy, or the power coefficient, does not exceed the Betz limit. Based on the exact calculation of the Gold‐ stein function, the researchers determined the maximum power coefficient of an ideal wind turbine having a …

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  • US5121329A - Apparatus and method for creating

    Apparatus incorporating a movable dispensing head provided with a supply of material which solidifies at a predetermined temperature, and a base member, which are moved relative to each other along 'X,' 'Y,' and 'Z' axes in a predetermined pattern to create three-dimensional objects by building up material discharged from the dispensing head onto the base member at a controlled rate.

    Get Price
  • Important Answers and Solved Problems: Fluid

    1. Define hydraulic machines. Hydraulic machines which convert the energy of flowing water into mechanical energy. 2. Give example for a low head, medium head and high head turbine. Low head turbine – Kaplan turbine. Medium head turbine – Modern Francis turbine High head turbine …

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  • NSK Ti-Max Z Dental Turbine Handpieces with Light ...

    2015-4-15 · Xiao-lu, Z, Chun-lin, S, & Chung-Hua, W. 'A Simple Method for Solving Three-Dimensional Inverse Problems of Turbomachine Flow and the Annular Constraint Condition.' Proceedings of the ASME 1984 International Gas Turbine Conference and Exhibit. Volume 1: Turbomachinery. Amsterdam, The Netherlands. June 4–7, 1984. V001T01A050. ASME.

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  • A Simple Method for Solving Three-Dimensional

    2013-6-3 · Two- and Three-Dimensional Prescribed Surface Curvature Distribution Blade Design (CIRCLE) Method for the Design of High Efficiency Turbines, Compressors, and Isolated Airfoils ... and easy integration of the CIRCLE method in heuristic blade-optimization methods. The method is further extended to 2D and 3D compressor blades and isolated airfoil ...

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  • Two- and Three-Dimensional Prescribed Surface

    2015-6-1 · The characteristics of the turbine are demonstrated using micro fabrication, theoretical analysis, and ANSYS, COMSOL, and MATLAB ... Non-dimensional Flow Rate indicator, Vr o ... Figure 2-1: (Top left) Three 1 cm rotors and one 2 cm rotor, fully assembled. (Top right) White light microscopy (20x) showing R1 with 125 µm spacing and post ...

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  • Design and Fabrication of cm-scale Tesla Turbines

    2017-4-3 · The M501/M701 turbine design maintains moderate aero-dynamic loadings in spite of the increased inlet temperature through the design of a 4-stage turbine. Improvements in aero-dynamic airfoil shapes have been made possible by utilization of a fully three-dimensional flow analysis computer program. The first and second stage vanes on the turbine

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  • Turbine Gas - Doosan Heavy Industries & Construction

    Hydro Turbine Alignment Services. Serving a variety of industries nationwide, Schaeffer Precision Alignment is a key provider of state-of-the-art laser tracker services for the dimensional measurement and inspection of hydro turbine systems. We are at the forefront of metrology technology and practice, offering rapid digital reporting and 3D ...

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  • Hydro Turbine Alignment Services | Dimensional

    In this study of design axial turbine, there are several previous research that become a basis and reference, for example D.G Ainley and G.C.R. Matheison mentions in Ref. [1] that the information obtained from the cascade method (which gives two-dimensional of blade section) is not enough because the three- dimensional effect are so powerful.

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  • Journal of Physics: Conference Series PAPER OPEN

    2018-3-1 · With this clear statement in mind, I would like to go over a simple mathematical equation that explains some gas turbine phenomena and design in a straightforward and elegant way. This equation is written in terms of the variables X 1, X 2 and X 12, where 0≤X≤1.0 and X …

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  • A Useful Equation for Gas Turbine Design | Mechanical ...

    Dimensional unit is mm unless otherwise specified. (Note) Gas turbine control panel furnishes engine control, generator voltage control, metering, protection, and other control functions required for operating gas turbine generator. (Note) : This diagram is typical and …

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  • Kawasaki Machine Systems, Ltd. (Shanghai Rep.Office ...

    2015-11-18 · 1000/60 wind turbine in Germany. The measurements of the experimental data have been taken by members of the company EC Grupa, a Polish engineering company that maintains the wind turbine system from which the gearbox vibration datasets were obtained. The gearbox consists of three gear stages: one planetary gear stage and two spur gear stages.

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  • A Sectioning Technique for Extraction of Impacted Third ...

    2015-12-8 · speed airturbine dental drill has been reported [7] . Therefore, using air turbine can lead to, at least indirectly, significant postoperative complications. An alternative and more conservative approach is to forego the use of air turbine and instead use a fissure bur powered by a low -speed handpiece [8]. Howe ver, a fissure bur has lower

    Get Price
  • Steam Turbines for Power Generation | GE Steam Power

    2021-6-28 · ARABELLE 1700. Nuclear reheat. Up to 75bar 300°C 1090psig 570F. 1200 - 1900MW. GE’s Arabelle turbine is the most powerful nuclear steam turbine in operation. Suiting all reactors type, from 700MW up to 1,900MW, the Arabelle is highly efficient, …

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  • Takumi Sato - Three-dimensional measurement of

    In order to construct the skill acquisition method for a common treatment of dental caries, it is necessary to prepare quantitative guidelines for Dental students.

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  • In this study, measurement and analysis for the movements of fingers and turbine have been conducted during tooth removal and restoration process using three-dimensional motion capture.

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  • Pearl Dental Software | History of Dental Technology ...

    Pearl Dental Software is designed to make it easier to run your practice smoothly and efficiently, just like a turbine-powered handpiece. This includes excellent diary management features that not only keep your practice busy, but make it easy for your nurses to understand the treatments they will see during the day, and to plan their handpiece ...

    Get Price
  • Optimization of multiple turbine arrays in a channel

    2013-2-28 · If the turbine is assumed to occupy 20 m of the 50 m water column, then the drag per unit area of an equivalent three-dimensional turbine is (12/50)×(50/20)=0.6. The upstream peak velocity that would be used for a Lanchester–Betz type calculation is 2 m s −1.

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  • (PDF) Development of three-dimensional patient face

    Development of three-dimensional patient face model that enables real-time collision detection and cutting operation for a dental simulator. Dental Materials Journal, 2012. Satoshi Yamaguchi. Hiroshi Noborio. Satoshi Imazato. Satoshi Yamaguchi.

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  • Gas Turbines - CONVERGE CFD Software

    Gas turbine combustion is a complex process, and it can be a challenge to achieve accurate and reliable CFD simulation results at a reasonable computational cost. ... Liquid fuel simulations of aviation and power gas turbines are easy and robust thanks to a wide variety of spray modeling options in CONVERGE. ... and Barrett-Gonzalez, R.M ...

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  • WO2011147228A1 - Dental turbine drill - Google

    A dental turbine drill, comprises a handle and a head which is connected to the handle, the head is composed of a head housing(1) and a core(2) which is positioned within a head housing cavity, the head housing(1) is composed of a head housing wall(181) and a head housing cover(182), the core(2) is composed of a connecting shaft turbine and an upper bearing (221) and a lower bearing(222 ...

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  • CM-SCALE AIR TURBINE AND GENERATOR FOR ENERGY

    2015-12-14 · practice the shaft power will also be reduced by bearing losses and viscous losses at the hub and shroud (where the generator is situated). Also, no attempt has been made to model the performance implications of swirl in the wake behind the turbine, or of the effect of the shroud around the rotor. Two particular blade designs were selected for

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  • AerodynamicShapeOptimizationofaVertical-AxisWind ...

    2019-7-31 · wind turbine performance offers a tremendous benefit over classic experimental techniques, the major benefit being that computational studies are more economical than costly experiments. A survey of aerodynamic models used for the prediction of VAWT performance was conducted by [1, 2]. While other approaches have been published, the three major

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