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# Solenoid Modelling Question

- To: femm@yahoogroups.com
- Subject: Solenoid Modelling Question
- From: "gopalan_m" <gopalan_m@yahoo.com>
- Date: Sat, 15 Dec 2001 04:47:06 -0000
- User-agent: eGroups-EW/0.82

    Hi,

    As part of my work, I require a solenoid for a product. I have
    designed a solenoid empirically and through "gut feeling", but I want
    to proceed further into the design by actually doing some analysis.

    I am a Mechanical Engineer by training, so I have experience with FEM
    software like ansys for structural dynamics etc, but have never used
    fem for magnetics analysis before.

    I would appreciate and recommendations on books, software packages or
    suggetions that any of you can give me.

    For those who are technically inclined, ive listed some basic info
    below...

    Any help woull be greatly appreciated...

    Thanx

    Manoj Gopalan
    gopalan_m@yahoo.com
    ___________
    Armature and Housign material is Vanadium Permendur (23000 Gauss
    Saturation Flux Density) heat treated after machining for maximum
    properties. Do not have any coercivity info.

    Coil Size 0.625" I.D 1.300" O.D approximately 2.125" Long

    Approximate winding 2400@25 AWG H rated wire.

    Maximum Air Gap 0.100"
    Minimum Air Gap 0.005" (set by a stopper plate)

    Minimum required pulling force 18 lbf(0.100")
    Minimum required holding force 15 lbf(0.005")

    The firing circuit is a constant current circuit coupled to capacitor
    bank to provide an initial peak currrent of 4A followed by a static
    holding current of 0.25A.
    __________

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