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Volume 12 (1964)
- Issue 6 Pages 510-
- Issue 5 Pages 386-
- Issue 4 Pages 285-
- Issue 3 Pages 219-
- Issue 2 Pages 81-
- Issue 1 Pages 1-
Volume 12, Issue 2
Displaying 1-5 of 5 articles from this issue
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Utarô FURUKANE1964 Volume 12 Issue 2 Pages 81-97
Published: 1964
Released on J-STAGE: August 16, 2011
JOURNAL FREE ACCESSThe coefficient of collision damping of the plasma wave, in a constant weak magnetic field, is calculated by means of the Fokker-Planck collision term. It is found that the damping of electromagnetic wave increases with an increase in magnetic field but the.damping of plasma oscillation lecreasea in case of Bo ⊥K. Landau damping ecoefficient is also calculated.View full abstractDownload PDF (1006K) -
Keiichi Hirano1964 Volume 12 Issue 2 Pages 98-115
Published: 1964
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSIn the previous paper, mechanical characteristics of the valve were reported. In this paper, the characteristics of gas flow in the valve are described. Introducing a certain linear relationship between valve lift and flow rate of gas, perfect agreement is obtained between theoretical and experimental profile.
Based on the theortical profile, optimum design formula is established.View full abstractDownload PDF (1457K) -
Teruo Tamano1964 Volume 12 Issue 2 Pages 116-138
Published: 1964
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSWhen a magnetic bottle is deformed repeatedly by an adiabatic process shown in Fig. 1, some of charged particles are lost their kinetic energy. By the use of this process charged particles are injected into.a magnetic bottle. Without consideration of other processes, for example, a collision process, charged particles are injected one after another by this process as long as adiabatic approximations are valid. Moreover, charged particles in a magnetic bottle can be accelerated by the reverse process.View full abstractDownload PDF (1299K) -
Takashige Tsukishima, Susumu Takeda1964 Volume 12 Issue 2 Pages 139-153
Published: 1964
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSA microwave probe is proposed, which consists of a waveguide or coaxial cable terminated by a thin insulating material. The probe can be applied to unbounded plasmas whose electron plasma frequencies, ωp, are higher than the applied microwave frequency ω. The principle is based on the fact that the phase angle of the reflection coefficient is a direct measure of the electron density of the plasmas. The electron densities measured by a waveguide probe are compared for a range of ω2p/ω2<10 with those obtained also by a reflection method which has been developed already by the authers for plasmas bounded in the waveguide. The electron density measured by the probe showed a slightly larger value than the real value for the measured range, and it is shown that this difference is reasonable if the effect of the fringing field outside the probe is taken into considerations. The difference is expected to disappear for the range of ω2p/ω2>>1. Although an eiectron density range from 5 × 1011 to 6 × 1012 cm-3 are measured by a X-band (9 Gc) waveguide probe in the present experiment, a K-band (35 Gc) probe which is scaled down to a smaller dimension is recommended for higher densities. finally it is pointed out that the proposed probe is suitable for high density measurement has a good time and space resolutions, insensitive to the magnetic field, needs no auxiliary information of the electron or ion temperatures, and is very simple in treatment and calculation.View full abstractDownload PDF (1368K) -
1964 Volume 12 Issue 2 Pages 218
Published: 1964
Released on J-STAGE: March 04, 2011
JOURNAL FREE ACCESSDownload PDF (37K)
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