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Parts by Number Top

Part # Distributor Manufacturer Product Category Description
103404 Radwell Bell & Gossett Not Provided NRF-45 WET ROTOR 3 SPEED PUMP
103400 Radwell Bell & Gossett Not Provided NRF36 WET ROTOR 3 SPEED PUMP

Conduct Research Top

  • Scale Up of High Shear Rotor-Stator Mixers
    represents the first step in exploring the particular benefits of rotor/stator technology for a given application. This familiar laboratory tool is generally equipped with a variety of interchangeable attachments that allow it to operate in a variety of mixing modes - as a conventional HSM, as a propeller
  • High Speed Mixing: Saw-tooth Dispersers vs. Rotor/Stator Mixers (.pdf)
    The saw-tooth disperser and rotor/stator mixer are two of the most widely used high speed mixers yet many are unaware of the differences in their utility and operating capacities. Knowing the unique attributes of these devices is important in mixer selection and process optimization.
  • Feedback on speed
    A novel process offers an inexpensive way to monitor the speed of small permanentmagnet motors. For many years control makers monitored servomotor velocity and rotor position through use of various built-in or attached devices. The last few decades have seen a mushrooming of applications for motors
  • Explorer Speed Calculation
    motor has eccentricities. It is not possible or economical to build anything absolutely round (rotor), and mount it centered in something else perfectly round (stator). This results in inherent eccentricities, which are pictured by the figure to the left, where the rotational axis (o) of the rotor
  • High Speed Dispersion of Titanium Dioxide
    dispersed and evenly distributed throughout the product. * Dust/solvent emissions must be minimized. The high speed, high shear operation of a Silverson mixer provides the solution to these problems. The rotor/stator workhead rapidly disperses the TiO2 particles into the surrounding liquid, leading
  • Load Torque Considerations: Fixed vs. Adjustable Speed
    controllers compared to operation across-the-line. In some cases the available torque will be more and in others less. NEMA defines the minimum starting torque or locked rotor torque requirements and breakdown torque requirements for each NEMA design and horsepower rating. A graph of the minimum
  • Avoiding Stick-Slip Chatter in Low-Speed Bearings
    static friction. At this point, friction drops to its kinetic value as rotation initiates and the rotor "jumps ahead " as it dissipates its stored elastic energy. Repetition of this sequence during slow-speed rotation often produces a stop-start jerking pattern, as illustrated in the accompanying figure
  • Development of Traction Motor for Fuel Cell Vehicle (.pdf)
    This motor adopted a salient pole type surface permanent magnet rotor, which enables it both to produce reluctance torque and to minimize the use of magnets. The inductance value is set at the limit value enabling output at the maximum rotor speed, which suppresses field-weakening current.

More Information Top

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  • Wind Turbines
    14.1 From Rotor Power Characteristics to Turbine Power Curve .....................550 14.1.1 Installed Generator Power and Rotor Speed .................................550 14.1.2 Losses due to Power Control and Operational Sequence..............554 14.1.3 Efficiencies in the Mechanical-Electrical Energy...
  • Electrical Machines
    303 12.3 Changes in Rotor Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . .
  • Applied Intelligent Control of Induction Motor Drives
    The control strategies explored include expert-system-based acceleration control, hybrid-fuzzy/PI two-stage control, neural-network-based direct self control, and genetic algorithm based extended Kalman filter for rotor speed estimation.
  • Induction Motor Control Design
    It is a multivariable control problem since there are two indepen- dent control inputs and two outputs to be controlled: the primary output is the rotor speed to achieve the required dynamic performance, while the secondary output is the rotor flux modulus...
  • Rotordynamics of Automotive Turbochargers
    The topic of rotordynamics of automotive turbochargers is a widely interdisci- plinary working field, firstly involving rotordynamics to study dynamics of rotat- ing machines at very high rotor speeds and as well as to balance the rotor.
  • Handbook of Wind Power Systems
    Fixed-speed wind turbines are so named because they operate with less than 2 % variation in turbine rotor speed .
  • Innovation in Wind Turbine Design
    The ideal of variable speed operation is to preserve constant optimum flow geometry over the rotor by matching rotor speed to wind speed.
  • Limits, Modeling and Design of High-Speed Permanent Magnet Machines
    Through analytical modeling, structural limits for the rotor speed are determined and quantified.