-
Kazumasa Miyano, Hiromichi Nakahara, Carmen Gil
1972 Volume 33 Issue 6 Pages
1505-1508
Published: December 05, 1972
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Decay of
110Sb was studied with a Ge(Li) spectrometer and a β counter. The half-life of
110Sb was determined to be 21.3±1.5 sec. The β rays of 6.5 MeV, 5.6 MeV and 4.8 MeV were found. Fifteen γ rays were assigned to
110Sb. New 12 γ rays were observed. The γ-ray energies and intensities observed are 2456 keV(1.7%), 1426 keV(2.9%), 1244 keV(17.1%), 1212 keV(98.3%), 1027 keV(4.2%), 987 keV(44.1%), 910 keV(14.7%), 829 keV(15.1%), 721 keV(15.4%), 643 keV(2.5%), 638 keV(7.7%), 627 keV(2.5%), 523 keV(1.1%), 440 keV(19.1%) and 180 keV(0.4%). The log
ft-values were deduced and a tentative decay scheme of
110Sb was proposed.
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Kazumasa Miyano, Carmen Gil
1972 Volume 33 Issue 6 Pages
1509-1514
Published: December 05, 1972
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Decays of
114Sb and
112Sb were investigated with single and coincidence experiments. In the decay of
114Sb, new γ rays at energies of 322 keV(5.5%), 393 keV(1.1%) and 716 keV(3.8%), were found, in addition to the known γ rays at energies of 887 keV(17.7%) and 1300 keV(100%). The highest β-ray end-point energy was obtained to be 4.1 MeV. The half-life of
114Sb was determined to be 200±5 sec. In the decay of
112Sb, γ rays at energies of 992 keV(12.1%) and 1258 keV(100%) were seen. The highest β-ray end-point energy was found to be 5.2 MeV. Decay schemes for
114Sb and
112Sb were proposed. Some properties of the decay schemes may be interpreted in terms of the pairing theory.
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Hiroyasu Ejiri, Tokushi Shibata, Akira Shimizu, Kohsuke Yagi
1972 Volume 33 Issue 6 Pages
1515-1521
Published: December 05, 1972
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Spin alignment of the ground-state band levels of
144Nd,
148Sm,
150Sm and
152Sm excited in (α, 2
nγ) reactions is studied in detail by measuring precisely the anisotropy of the intra-ground-state band gamma rays. The degree of the spin alignment increases with the increase of the spin of the ground-state band levels. It depends little on the bombarding energies, the reaction
Q values and the structures of the low-lying levels. A simple expression is obtained to describe the degree of the spin alignment in (particle,
xnγ) reactions.
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Yoshimasa Miura, Chuji Horie
1972 Volume 33 Issue 6 Pages
1522-1532
Published: December 05, 1972
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The electrical conductivity of Te in a highly-excited state in a sense that there exists a high-density state of electron-hole pairs excited by an intense laser light is calculated under the assumption that the Coulomb scattering between carriers is responsible for the conductivity and that there is no bound exciton. The thermal Green’s function method is employed and a particular attention has been paid to the gauge invariance of the formulation. The integral equations for the current vertex functions are solved by making use of Eliashberg’s approximation, which is proved to be valid even for nondegenerate case of Te. The resulting expression for the electrical conductivity has a different density dependence corresponding to the difference of the degree of degeneracy of carriers. A numerical calculation has been carried out and a comparison is made with a result of the experimental observation by Nishina
et al.
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Takehiko Oguchi, Ikuo Ono
1972 Volume 33 Issue 6 Pages
1533-1536
Published: December 05, 1972
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The energies of one-dimensional Heisenberg ferromagnet which includes an impurity spin were calculated by Green function method and by use of the computer. The easy axis of impurity spin lies in the
xy plane, which is different from that of the host spin, the
z axis. Whether the orientation of the impurity spin is along the
z axis or deviates from the
z axis depends on the relative magnitude of the anisotropy energy and the exchange energy.
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Okikazu Akimoto, Eiichi Hanamura
1972 Volume 33 Issue 6 Pages
1537-1544
Published: December 05, 1972
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The binding energy of the excitonic molecule, a complex consisting of two electrons and two positive holes, is calculated as a function of the mass ratio
me⁄
mh by avariational method. It is shown that the excitonic molecule is stable for any value of the mass ratio. For
me=
mh, the binding energy is estimated to be 0.00684
mee4⁄ε
02h
2. Some results about the wave function are also presented.
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Yoshihiro Ishibashi, Shuichi Ohya, Yutaka Takagi
1972 Volume 33 Issue 6 Pages
1545-1550
Published: December 05, 1972
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A four-sublattice theory is presented to explain the phase transition of ADP, where the dipole-dipole interaction is taken into account. The theory shows that the phase transition is of first order and the sublattice polarization is saturated below the transition temperature. These conclusions seem to be in good agreement with experimental observations.
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Hideki Ushio, Tsuyoshi Uda, Yasutada Uemura
1972 Volume 33 Issue 6 Pages
1551-1560
Published: December 05, 1972
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The recent experimental result of cyclotron resonance of graphite presented by Suematsu and Tanuma is analyzed theoretically. The value of warping parameter γ
3 is determined as 0.21 eV by fitting the calculated reflectivity curve to the observed one. The calculations are made on the local, single particle approximation. The effects of the spatial dispersions and many body effects will be presented in subsequent papers. The influence of the choices of other band parameters on the value of γ
3 is also examined in detail.
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Shin-ichi Katsuki
1972 Volume 33 Issue 6 Pages
1561-1565
Published: December 05, 1972
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The band structure of the spinel-type semiconductor CdIn
2S
4 has been calculated on the symmetry lines
Γ–
Λ–
L,
Γ–
Δ–
X,
Γ–
Σ–
K by the empirical-pseudopotential method. The form factors of the potential are those empirically determined by Cohen and Bergstresser and modified by Meloni and Mula. No adjustable parameter has been used in the calculation. It is found that the lowest energy gap of 2.43 eV is indirect one from
Σ4 to
Γ1 and the direct gap of 2.50 eV is from
Γ15 to
Γ1. These values are in good agreement with available experimental information. The sensitivity of the energy levels has been also examined.
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Hide Yoshioka, Kunio Saiki
1972 Volume 33 Issue 6 Pages
1566-1573
Published: December 05, 1972
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The equilibrium positions of sublattice magnetizations and the resonance frequencies of the antiferromagnet having the Dzyaloshinsky-Moriya vector parallel with the easy axis are calculated for arbitrary directions of the applied field. The effect of the parallel susceptibility has been taken into account in the calculation. The results are compared with the experiments on KMnF
3 in the intermediate temperature range. Good agreement is obtained, supporting that the crystal has the Dzyaloshinsky-Moriya vector parallel with the easy axis.
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Kiichi Okuda, Hirao Hata, Muneyuki Date
1972 Volume 33 Issue 6 Pages
1574-1580
Published: December 05, 1972
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Precise temperature and angular dependences of ESR line in a typical linear chain antiferromagnet Cu(C
6H
5COO)
23H
2O were measured in a temperature region from 1.4 to 300 K over a microwave frequency range from 10 to 48 GHz. The angular dependence of line width at room temperature can be quantitatively explained by taking account of the spin diffusion effect in addition to the dipolar and anisotropic exchange interactions under a strong one-dimensional antiferromagnetic exchange interaction. At low temperatures, the line width along the
a″-axis becomes narrow at temperature decreases whereas it becomes unmeasurably broad and shows a strong frequency dependence along the
c″-axis. The
g-shift due to the one-dimensional antiferromagnetic spin correlations was also found at low temperatures.
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Ken Ichi Arai, Noboru Tsuya
1972 Volume 33 Issue 6 Pages
1581-1583
Published: December 05, 1972
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The magnetostriction constants λ
100 and λ
111 of Li-ferrite in the ordered and disordered states were measured by ferrimagnetic resonance experiment with an external load at 9.5 GHz at room temperature, liquid
N2 temperature and liquid He temperature. The constants λ
100 and λ
111 in the ordered state at liquid He temperature are found to be −31.9×10
−6 and 5.5×10
−6 respectively and those in the disordered states are −42.6×10
−6 and 3.8×10
−6 respectively.
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G. Krithivas, G. T. Meaden, N. H. Sze
1972 Volume 33 Issue 6 Pages
1584-1590
Published: December 05, 1972
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Resistivity measurements on good purity polycrystalline praseodymium are reported for temperatures from 4 K to the ice-point. Many of the features of the temperature-dependence can be accounted for satisfactorily for the first time. The discovery of a conspicuous anomaly at 22.2 K is correlated with an antiferromagnetic-paramagnetic transition in the dhcp crystal structure. The magnetic resistivity is separated from the phonon resistivity and found to have an unusual variation with temperature. This is understandable in terms of the effect on the magnetic resistivity of the crystalline field in splitting the ground state of the magnetic praseodymium ions.
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Masayuki Kawakami, Tadamiki Hihara, Yoshitaka Koi, Tokuo Wakiyama
1972 Volume 33 Issue 6 Pages
1591-1598
Published: December 05, 1972
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The Co
59 nuclear magnetic resonance in a bulk specimen of hexagonal cobalt has been observed as a function of temperature from 4.2 K to 730 K. The hyperfine fields at nuclei at the edge and center of the domain wall are determined to be 217.7 and 225.7 kOe at 4.2 K, respectively. The difference between the two hyperfine fields, 8.0±0.1 kOe, comes mainly from the anisotropy in the orbital field and partly from that in the dipolar field. The value of
e2qQh−1 is 2.90±0.07 MHz at 4.2 K. The asymmetry in the charge distribution deduced from the electric field gradient
q is very small. The isotropic hyperfine field is 223.0 kOe at 4.2 K and is larger by 8 kOe in its absolute value than that in cubic cobalt.
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Hideo Hasegawa, Junjiro Kanamori
1972 Volume 33 Issue 6 Pages
1599-1606
Published: December 05, 1972
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The electronic structure of Ni base ferromagnetic alloys with Co, Fe, Mn and Cr is discussed on the basis of the coherent potential approximation combined with the Hartree-Fock approximation for the electron-electron interaction. Calculations are carried out by use of a tight-binding single band model. With consistent choices of parameters the concentration dependences of the average magnetic moment of each constituent atom, the saturation magnetization, and the density of states at the Fermi level are calculated. The significance and limit of the coherent potential approximation for calculating the electronic structure of the ferromagnetic alloys are discussed in some detail.
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Hideo Hasegawa, Junjiro Kanamori
1972 Volume 33 Issue 6 Pages
1607-1614
Published: December 05, 1972
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The electronic structure of bcc ferromagnetic Fe
1−xNi
x, Fe
1−xCo
x, Fe
1−xMn
x and Fe
1−xCr
x is discussed on the basis of the coherent potential approximation. The differences in the concentration dependences of the saturation magnetization and the electronic specific heat between Fe
1−xNi
x and Fe
1−xCo
x can be explained reasonably. The calculation yields a good agreement with experiment for Fe
1−xMn
x and Fe
1−xCr
x.
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Takeo Ichinokawa, Masayuki Egami, Yoshi-Hiko Ohtsuki
1972 Volume 33 Issue 6 Pages
1615-1618
Published: December 05, 1972
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The intensity profiles of pseudo-Kikuchi bands in the scanning electron microscope are obtained theoretically as a function of
W using the two beam dynamical theory of electron diffraction; where
W is a deviation parameter from the exact Bragg condition. According to the theory, the ratio of the abnormal to normal absorption coefficients
Δμ
g⁄μ
0 can be determined from two different parameters of the experiment; a ratio
R of the maximum to minimum intensities or
W values at the positions of the maximum and minimum intensities near the Kikuchi band edge in the intensity profiles across the band. The comparison between the theory and experiment is examined for the (220) pseudo-Kikuchi bands in Si. The values
Δμ
g⁄μ
0 obtained from
R and
W values are 0.10±0.03 and 0.20±0.05, respectively. The value obtained from
W’s in this experiment agrees approximately with one quoted by Meyer-Ehmsen. However the value obtained from
R is smaller than those of others. This fact is caused by the effect of inelastically scattered electrons. Moreover, the temperature dependence of
Δμ
g⁄μ
0 measured from
W’s becomes almost constant in the range of the room temperature up to 600°C.
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Hiroyoshi Suematsu, Sei-ichi Tanuma
1972 Volume 33 Issue 6 Pages
1619-1628
Published: December 05, 1972
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Cyclotron resonances in single crystal graphite (SCG) and pyrolytic graphite (PG) have been investigated at about 23 and 69 GHz. A sequence of harmonic resonances is observed for either sense of circular polarization, while the fundamental resonance is found for the polarization sensitive to electron. These resonances are analysed to originate from the electron Fermi surface centered at K-point in the Brillouin zone, of which large trigonal warping is deduced. The observed cyclotron masses are
me⁄
mo=0.058±0.001 (at 69.08 GHz) for SCG and 0.059±0.001 (at 68.01 GHz) for PG. Two kinds of additive structures in SCG, one being observed at 23 GHz and the other at 69 GHz, are discussed after the theoretical study by Uda, Ushio and Uemura of a nonlocal effect of the hole resonance and an electron-hole interaction, respectively. Each resonance field has the angular dependence of (cosθ)
−1, where θ is the angle between the applied magnetic field and the hexagonal axis.
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S. Radhakrishna, K. P. Pande, R. Narayanan
1972 Volume 33 Issue 6 Pages
1629-1631
Published: December 05, 1972
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Dielectric loss measurements of lead and cadmium doped cesium halides have been reported in the temperature range 90–180°C. One loss peak which is attributed to the jump of vacancy in the six equivalent
nn positions, has been observed in the plot of tanδ versus frequency isothermals. The plot of log
fm (
fm being the peak frequency) against 1/
T gives a straight line, the slope of which yields the value of activation energy for the jump of a bound cation vacancy. The activation energy thus obtained from dielectric loss data compares well with those obtained from conductivity measurements on these crystals.
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Akira Yoshikawa, Hideo Takezoe, Ryumyo Onaka
1972 Volume 33 Issue 6 Pages
1632-1637
Published: December 05, 1972
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Several new absorption bands are observed in the spectra of single crystals of KCl:Au
− irradiated with ultraviolet light at room temperature. Excitation of the crystals with light of these absorption bands at liquid nitrogen temperature causes luminescence having its maxima at 516 nm, 414 nm and 390 nm. If the crystals are excited at room temperature only the luminescence with a peak at 520 nm is observed. The new absorption bands, some of which are overlapping the absorption bands of the isolated Au
− ions, are attributed to the same center, since irradiation at these bands causes an identical emission of luminescence. From a study of azimuthal dependence of the polarized luminescence, it is found that this center is orientated nearly along 〈110〉 directions of the crystals. On the ground of these experimental results, and also by analogy to the case of paired Ag
− ion center, the new center is identified with the paired Au
− ions orientated along 〈110〉 direction.
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Shigeru Sato, Makoto Watanabe, Yasuo Iguchi, Shun-ichi Nakai, Yoshimit ...
1972 Volume 33 Issue 6 Pages
1638-1642
Published: December 05, 1972
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The Cl
−L2,3 absorption spectra of silver chloride and thallous chloride with high resolution have been obtained photographically at room and liquid nitrogen temperatures by the use of synchrotron radiation from a 1.3 GeV electron synchrotron at INS-Tokyo. The structures for both materials near the thresholds around 200 eV are much better resolved than those reported so far. Antiresonance dips are found to occur at the absorption thresholds. Structures of the spectra in the vicinity of the threshold are interpreted in terms of the energy band structure and the formation of core excitons. A few broad bands exist in the region above 210 eV in both materials.
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Yoichi Kamiura, Kazuo Kawabe
1972 Volume 33 Issue 6 Pages
1643-1644
Published: December 05, 1972
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The index matching angle for SHG in KDP shows linear decrease with temperature in the range from the room temperature to about 200 K, below which the temperature dependence deviates from the linear relation. The linear decrease can be explained by the temperature dependence of the refractive index calculated with Phillips’ formula. A discussion is presented to explain the deviation, assuming that the mean square of the ionic displacement in the
c direction is not zero in this temperature region, and the electronic process is influenced by the ionic motion through Kleinman’s higher order energy function.
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Yasunobu Seno, Jinya Otsuka, Osamu Matsuoka, Nobuko Fuchikami
1972 Volume 33 Issue 6 Pages
1645-1660
Published: December 05, 1972
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Bonding of O
2 to heme is studied by Heitler-London calculation with three ionic structures (Fe
2+–O
2, Fe
3+–O
2− and Fe
+–O
2+). The basic configurations are constructed from the low-lying terms of Fe
2+, Fe
3+ and Fe
+ in the heme, and those of O
2, O
2− and O
2+. Hamiltonian matrix elements are evaluated with the method of “Atoms in Molecule.” The empirically determined term energies of O
2 are used and the electronic structure of Fe atom in the heme is estimated with the ligand field theory. The molecular integrals necessary for the evaluation of interaction part are computed with the Gaussian type SCF atomic orbitals. As O
2 approaches to the heme, one of the
1A2 states, which is the combination of the excited
3E term of the heme and the ground
3Σg− term of O
2, becomes the ground state. In this state the negative exchange interaction between O
2 and Fe atom is effective in lowering the energy.
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Ryuzo Koyama
1972 Volume 33 Issue 6 Pages
1661-1668
Published: December 05, 1972
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The excluded volume effect on the partial chain segment with arbitrary length in polymer molecule is calculated, by extending a previous treatment of the same effect on the end to end distance of the polymer.
The intramolecular potential calculated becomes a decreasing and almost linear function of the end to end distance of the chain segment. The expansion coefficient α
ij of this distance is determined by this potential, and the result is given by the approximate equation
α
ij5−α
ij3=
Bij(|
j−
i|⁄
n)
1⁄2z,
where
Bij is a constant,
n is the total number of constituent segments in the polymer and
z is their interaction parameter. This result coincides with that of the first order perturbation theory.
Considering that α
ij depends on the chain segment-length |
j−
i|, the angular distribution of scattered light by this polymer is calculated. The result shows the deviation from the Debye’s scattering function for ideal random coil chains.
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Kunioki Mima, Kyoji Nishikawa
1972 Volume 33 Issue 6 Pages
1669-1677
Published: December 05, 1972
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In a preceding report, (J. Phys. Soc. Japan
30 (1971) 1722) a general theory is developed to investigate the stability of a collisionless, one-dimensional plasma which sustains a large-amplitude, monochromatic electron plasma wave. In this paper, this theory is used to investigate further details of the instability by assuming a specific from of the unperturbed distribution, such that it is consistent with the small-amplitude limit of a Bernstein-Greene-Kruskal distribution. The properties of the dispersion relation are characterised by three parameters, the wavenumber of the carrier, its amplitude and the excess trapped-electron density
ΔNt (compared with the value expected from the linear theory). In the weak-coupling limit, the stable and unstable regions are shown in the plane spanned by
ΔNt and bounce frequency. A numerical calculation for a moderately strong-coupling case shows that even in this case growing waves are separated into several distinct wavenumber regions.
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Masashi Kako
1972 Volume 33 Issue 6 Pages
1678-1687
Published: December 05, 1972
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Nonlinear modulation of waves in a cold plasma is investigated with a modification of a perturbation method developed by Taniuti and Yajima. In particular, it is shown that a modulated electron-cyclotron wave is influenced by a slow motion of the plasma and that there is a critical wavenumber for the onset of modulational instability. The critical wavenumber is found to be independent of the direction of propagation,
i.e.,
kcrit=ω
pe⁄
c\sqrt3, where ω
pe and
c are the plasma frequency and the light velocity, respectively. A lower hybrid wave, which propagates perpendicular to a uniform magnetic field, is shown to be stable against the wave modulation and in the limit of small wavenumber the modulated wave is an oscillatory solution of the Korteweg-de Vries equation obtained by Gardner and Morikawa.
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Hiroyuki Miura
1972 Volume 33 Issue 6 Pages
1688-1692
Published: December 05, 1972
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The internal structure of a steady weak shock wave in a dusty gas, whose velocity of propagation is smaller than the frozen speed of sound but slightly larger than the equilibrium one, is investigated by a perturbation method. The thickness of the shock is
(
Remark: Graphics omitted.),
where ε is a measure of the shock strength, α the ratio of mass concentration of particles to that of a gas, β the ratio of the specific heat of particles to the specific heat at constant volume of a gas, γ the ratio of the principal specific heats of a gas, τ
V the velocity equilibration time, τ
T the thermal equilibration time and
U the velocity jump across the shock front.
Piston problem is also examined by making use of a matching procedure. An asymptotic solution for large values of the time governed by Burgers’ equation produces a steady shock wave in course of time.
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Yôji Aizawa
1972 Volume 33 Issue 6 Pages
1693-1696
Published: December 05, 1972
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The classical dynamical system can have the negative curvature region where orbital instability takes place. But it is not yet clear whether this system has instability in the large. To see this a dynamical system with the hamiltonian
(
Remark: Graphics omitted.),
(
Remark: Graphics omitted.),
(
Remark: Graphics omitted.),
is studied by the method of the surface of section. The system does not have negative curvature for ε
*≤0 but can have negative curvature locally for ε
*>0. For the case of ε
*≤0 isolating integrals exist globally, but for the case of ε
*>0 the instability zone extends to larger region beyond that of negative curvature.
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Kanefusa Gotoh, Norito Ikeda
1972 Volume 33 Issue 6 Pages
1697-1705
Published: December 05, 1972
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The development of secondary convection in a fluid between two parallel vertical walls at different temperatures is investigated in states close to the critical state in the stability of the primary convection. The velocity and the temperature are each decomposed into the mean (averaged with respect to the vertical distance) and the fluctuation. The fluctuation is assumed to take the same spatial form as the infinitesimal disturbance at the critical state. The development of the fluctuations is traced through the energy integrals while the mean quantities through the averaged basic equations. Numerical calculations are made on water.
For a fixed value of Grashof number the convection approaches to an equilibrium state irrespective of the initial conditions. Flow pattern and isothermals in an equilibrium state are shown graphically. Due to the occurrence of the secondary convection, thermal conductivity of the fluid increases apparently, while the momentum flux decreases.
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Sadatoshi Taneda
1972 Volume 33 Issue 6 Pages
1706-1711
Published: December 05, 1972
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The time-dependent lift of an impulsively started 2:1 elliptic cylinder at angles of attack 20° and 45° was measured by means of strain gauges.
At the initial stage after starting a marked peak in lift occurs and then vanishes. After this, the second peak begins to develop. Flow visualization experiments show that the first isolated vortex makes its appearance in the rear of the elliptic cylinder at the instant when the second peak in lift begins to develop, and that the second peak in lift occurs when the second isolated vortex is about to be released from the back of the elliptic cylinder.
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Masaki Takashima
1972 Volume 33 Issue 6 Pages
1712-1714
Published: December 05, 1972
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The transverse hydromagnetic plane waves propagating in the horizontal direction in an electrically conducting fluid whose three (viscous, thermal and magnetic) diffusivities are all finite are investigated in the presence of a horizontal magnetic field and a vertical temperature gradient. The propagation characteristics for mercury are shown graphically. The possibility of existence of undamped waves is predicted under astrophysical conditions.
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Takeshi Saito
1972 Volume 33 Issue 6 Pages
1715
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Shoichiro Nomura, Masao Kawachi, Fumiko Kojima
1972 Volume 33 Issue 6 Pages
1716
Published: December 05, 1972
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Tokuo Wakiyama, Jean-Paul Rebouillat
1972 Volume 33 Issue 6 Pages
1717
Published: December 05, 1972
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Sotaro Esho, Shigeo Noguchi, Morimasa Nagao
1972 Volume 33 Issue 6 Pages
1718
Published: December 05, 1972
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Toshihiko Tokunaga, Hiroshi Fujiwara, Eiji Tatsumoto
1972 Volume 33 Issue 6 Pages
1719
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Yuko Fujita
1972 Volume 33 Issue 6 Pages
1720
Published: December 05, 1972
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Hiroshi Iwasaki
1972 Volume 33 Issue 6 Pages
1721
Published: December 05, 1972
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Masatoshi Sato
1972 Volume 33 Issue 6 Pages
1722
Published: December 05, 1972
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Hiromitsu Horita
1972 Volume 33 Issue 6 Pages
1723
Published: December 05, 1972
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Masao Miyamoto, Ichiroh Nakada
1972 Volume 33 Issue 6 Pages
1724
Published: December 05, 1972
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Taiju Tsuboi, Yasuko Matsusaka, Yoshio Nakai
1972 Volume 33 Issue 6 Pages
1725
Published: December 05, 1972
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Ichiroh Nakada, Fumikazu Hori
1972 Volume 33 Issue 6 Pages
1726
Published: December 05, 1972
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Hiroshi Sugié, Kenkichi Okada, Ken-ichi Kan’no
1972 Volume 33 Issue 6 Pages
1727
Published: December 05, 1972
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Tsutomu Karasawa, Masamitsu Hirai
1972 Volume 33 Issue 6 Pages
1728
Published: December 05, 1972
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Toshihiro Ichikawa
1972 Volume 33 Issue 6 Pages
1729
Published: December 05, 1972
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Osamu Fukumasa, Tokuhiro Obiki, Ryohei Itatani
1972 Volume 33 Issue 6 Pages
1730
Published: December 05, 1972
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Mitsuo Kono, Heiji Sanuki
1972 Volume 33 Issue 6 Pages
1731
Published: December 05, 1972
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V. V. Ramana Rao, D. Rama Murty
1972 Volume 33 Issue 6 Pages
1732
Published: December 05, 1972
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Yukio Osaka
1972 Volume 33 Issue 6 Pages
1733
Published: December 05, 1972
Released on J-STAGE: June 01, 2007
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