In a multicoil adiabatic superconducting magnet composed of nested solenoids, each shunted with a resistor, an initial quench in one solenoid can induce quenches in the other solenoids even when they are thermally isolated. The present work investigates induced quenching in such magnets. Specificall
4956608 Apparatus for propagating a quench in a superconducting magnet
β Scribed by Bizhan Dorri; Dan A Gross; Lembit Salasoo
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 101 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0730-725X
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β¦ Synopsis
A nuclear magnetic resonance imaging apparatus capable of considerably reducing the disturbing acoustic noises originating from the vibration of the gradient coil. The apparatus includes a sandwich structure which is located between the body to be examined and the main magnet, comprising a viscoelastic layer sandwiched by a first and a second sandwiching members.
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The effect of viscosity on micromixing, mixing on the molecular scale, is investigated by means of a Chemical Quenching Apparatus for fast kinetics, measuring the rate constant of a well known diazo coupling reaction in different viscous solutions. Experimental results are presented which show that
Pressurized cooling loops in which superfluid helium circulation is driven by the heat being removed have been previously demonstrated in laboratory tests. A simpler and lighter version which eliminates a heat exchanger by mixing the returning fluid directly with the superfluid helium bath was analy