Review of Scientific Instruments · 1966 · 76 citations · 1 references
EngineeringElectrical EngineeringPhysicsElectromagneticsElectromagnetismMagnetic MaterialsCircuit SwitchingElectromagnetic InductionEnergy ConversionEnergy StorageMagnetic Circuit AnalysisSwitching TechniquesElectromagnetic Energy TransferInductive ChargingInductive Power TransferMagnetic EnergyMagnetic Energy Storage
Rapid transfer of magnetic energy to an inductive load is usually done by discharging a condenser bank, but it can, in principle, also be done by using inductive storage. The problem then is how to open quickly a switch carrying a large current. Using a thin (10 μ) cylindrical foil of aluminum as a switch, energies of the order of 104 J have been transferred into an inductance of about 10−8 H in a few times 10−7 sec. An elementary theory of the explosion of the foil is presented, and it is shown to agree well with experimental results. Technical problems associated with the construction of such a fast switch can be considered solved up to an energy level of at least 100 kJ.
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