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The flow of a conducting fluid past a magnetized cylinder at high magnetic reynolds numbers
Springer Science and Business Media LLC - Tập 9 - Trang 230-244 - 1961
L. M. Hocking
A conducting, inviscid fluid flowing past a magnetized cylinder changes the magnetic field outside and inside the cylinder. This field is found for a cylinder magnetized as a dipole, with the restrictions that (a) the magnetic field is weak and (b) the magnetic Reynolds number is large. The magnetic field in turn alters the velocity field by the generation of vorticity, and the new velocity field ...... hiện toàn bộ
The anti-contamination circuit of the Amsterdam isotope separator. II
Springer Science and Business Media LLC - Tập 4 - Trang 225-234 - 1955
J. Schutten
In a previous article the task of the circuit for preventing contamination of the collected isotopes in an electromagnetic isotope separator has been indicated. In this article the electronic realization is described in detail. a. The circuit is operated by the difference of the currents on two needle electrodes in the beam, operating a small servomotor to correct the accelerating...... hiện toàn bộ
Hall coefficient of technically pure metals from 80 °K to 800°K
Springer Science and Business Media LLC - Tập 6 - Trang 379-387 - 1957
V. Frank
The Hall coefficients of Cu, Ag and Au are very similar in their temperature dependence, exhibiting (numerically) a flat minimum at ca. 200°K, a slow rise at high temperatures and a more rapid rise at low temperatures. The variation is within 10-15% of the room temperature value, which is 3 to 5 times the variation caused by thermal expansion on the basis of a one-band model. For Pd and Pt a sharp...... hiện toàn bộ
Equivalent base resistance of point-contact transistors
Springer Science and Business Media LLC - Tập 7 - Trang 361-365 - 1959
Frederick J. Young
A theoretical expression for the equivalent base resistanceR b of point-contact transistors is derived by consideration of a three-dimensional electric field problem. The analysis shows that the equivalent base resistance depends on the location of the emitter, resistivity of the semiconductor and the dimensions of the configuration.
A phase-selective X-Y-recorder for magnetic resonance experiments
Springer Science and Business Media LLC - Tập 10 - Trang 243-246 - 1962
L. van Gerven, A. van Itterbeek, L. Stals
Decentered optical systems
Springer Science and Business Media LLC - Tập 1 - Trang 273-283 - 1950
W. G. Stephan
The aberrations caused by decentration have been derived and expressed in paraxial quantities. A very rapid method of calculation has been developed. From an example it is shown that second order terms (the first occurring in the expansion) suffice to obtain the order of magnitude of the aberrations.
An adjustable curved crystal monochromator for X-ray diffraction analysis
Springer Science and Business Media LLC - Tập 1 - Trang 119-126 - 1950
P. M. De Wolff
The logarithmic spiral form of Barrau d’s monochromator can be obtained to a good approximation by exerting unequal bending moments on the short edges of a rectangular crystal plate. In the first two paragraphs some aberration formulas are derived pertaining to the asymetrical Barraud -type monochromator. In § 4 the new way of mounting is described. The aberration due to its approximative characte...... hiện toàn bộ
On the calculations of transverse current loss in buried wire ground systems
Springer Science and Business Media LLC - Tập 7 - Trang 81-86 - 1959
James R. Wait
A formula is developed for the impedance between a wire grid buried in a homogeneous ground and an overhead conducting plane. The result can be employed to calculate the power lost due to transverse currents in buried wire ground systems for antennae.
Viscous lifting of a conducting fluid in the presence of a magnetic field
Springer Science and Business Media LLC - Tập 12 - Trang 266-276 - 1965
M. D. Bradshaw, F. J. Young, J. F. Osterle
This paper describes the effect of a magnetic field upon the viscous lifting of a conducting fluid for two types of lifting surfaces; conducting and non-conducting. It is shown that the magnetic field produces very small effects on the film thickness and mass flow rate for the case of the dielectric plate. For the conducting plate, the effects are more pronounced and increase with larger values of...... hiện toàn bộ
Cylindrical and spherical shock waves in monatomic conducting fluids
Springer Science and Business Media LLC - Tập 10 Số 2 - Trang 119-128 - 1962
Roy M. Gundersen
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