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  • 1
    Electronic Resource
    Electronic Resource
    ESTIMATES OF THE COST OF CAPITAL TO THE INDIAN ENGINEERING INDUSTRY, 1962–65 (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Bulletin of economic research 21 (1969), S. 0 
    Details
    ISSN: 1467-8586
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8586.1969.tb00047.x
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  • 2
    Electronic Resource
    Electronic Resource
    Closed form solution for a point force in a rotating stratified fluid (1972)
    Springer
    Pure and applied geophysics 99 (1972), S. 156-168 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary The motion generated by an oscillatory point force in an inviscid incompressible rotating stratified fluid is studied, taking into account the effect of stratification on the inertia terms in the equations of motion. The solutions are obtained in closed form using Fourier transforms. The motion is axisymmetric (or not) according as the force acts along (or perpendicular to) the axis of rotation of the fluid. In the hyperbolic case, the motion is confined to the inner region of a cone with vertex at the origin. The solution when there is no rotation-no stratification-neither rotation nor stratification, is deduced and each case is found to differ from the case of rotating stratified fluid in many respects. The solution for a steady force is also deduced in the limit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00875274
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  • 3
    Electronic Resource
    Electronic Resource
    Source in a rotating stratified fluid (1972)
    Springer
    Acta mechanica 13 (1972), S. 21-29 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Description / Table of Contents: Zusammenfassung In dieser Arbeit werden Lösungen des Problems der Strömung in einer nicht-zähen rotierenden geschichteten Flüssigkeit zufolge einer Punktquelle von oszillierender Stärke in geschlossener Form angegeben. Die Lösungen zeigen keine Kugelsymmetrie. Die Strömung zufolge einer Quelle konstanter Stärke wird als Grenzfall hergeleitet.
    Notes: Summary In this paper solutions are presented in closed form for the flow due to a point source of oscillatory strength in an inviscid, rotating, stratified liquid. The solutions do not exhibit any spherical symmetry. The flow due to a steady source is deduced as a limit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01179656
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  • 4
    Electronic Resource
    Electronic Resource
    Motion of a sphere in an electrically conducting rotating fluid (1972)
    Springer
    Flow, turbulence and combustion 25 (1972), S. 431-444 
    Details
    ISSN: 1573-1987
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The combined effect of rotation and magnetic field is investigated for the axisymmetric flow due to the motion of a sphere in an inviscid, incompressible electrically conducting fluid having uniform rotation far upstream. The steady-state linearized equations contain a single parameter α=1/2βR m, β being the magnetic pressure number and R m the magnetic Reynolds number. The complete solution for the flow field and magnetic field is obtained and the distribution of vorticity and current density is found. The induced vorticity is O(α4) and the current density is O(R m) on the sphere.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00382315
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  • 5
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    Motion of a sphere in an electrically conducting rotating fluid (1972)
    Springer
    Details
    Publication Date: 1972-01-01
    Print ISSN: 1386-6184
    Electronic ISSN: 1573-1987
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Springer
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  • 6
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    Source in a rotating stratified fluid (1972)
    Springer
    Details
    Publication Date: 1972-03-01
    Print ISSN: 0001-5970
    Electronic ISSN: 1619-6937
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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  • 7
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    Motion of an axisymmetric body in a rotating stratified fluid confined between two parallel planes (1969)
    Cambridge University Press
    Details
    Publication Date: 1969-10-06
    Description: We consider here the flow due to the oscillation of a slender oblate spheroid in a non-homogeneous, rotating fluid confined between two parallel planes which are perpendicular to the (vertical) axis of rotation. The direction of oscillation of the spheroid is perpendicular to the axis of rotation. By solving a set of dual integrals the steady-state solution is obtained in the two cases when the plates are at an infinite distance from the body and when they are at a large but finite distance. The singular or discontinuous surfaces observed in the case of homogeneous fluid are absent here. Also, the steady-state velocity is no longer independent of the distance along the axis of rotation. The velocity has now a vertical gradient, an important feature in the case of stratified fluid. It is also found that the presence of the plane boundaries increases the force on the body.
    Print ISSN: 0022-1120
    Electronic ISSN: 1469-7645
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Cambridge University Press
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  • 8
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    On hydromagnetic Rossby waves excited by travelling forcing effects (1973)
    Cambridge University Press
    Details
    Publication Date: 1973-02-01
    Description: The pattern and propagation of hydromagnetic Rossby waves excited by travelling forcing effects on a rotating spherical shell of incompressible, inviscid, perfectly conducting fluid are studied using Lighthill's technique. The basic magnetic field H0, is assumed to be uniform and acting in the ‘beta-plane’ in an arbitrary direction. The two situations when the forcing effects travel along and perpendicular to H0, are considered. The steady forcing effects travelling in the direction of an eastward or west-ward H0, excite two types of wave systems. The first consists of uiiattenuated signals directly behind or ahead of the forcing effect. The other system consists of semicircular waves travelling in all directions or waves travelling in a limited wedge. When the forcing effect moves eastward, perpendicular to an H0, acting northward, the waves excited in the steady case are confined to certain wedges and trail behind with cusp-shaped wave crests. The magnetic field increases the semi-angle of the wedges, so that the region of disturbance is expanded. An oscillatory forcing effect generates various systems of waves. If the frequency of oscillation exceeds a certain critical frequency, excitement of waves in all directions is possible. The situation with a westward-moving forcing effect is also discussed. The effect of large rotation is to reduce the length of the waves. © 1973, Cambridge University Press. All rights reserved.
    Print ISSN: 0022-1120
    Electronic ISSN: 1469-7645
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Cambridge University Press
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  • 9
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    Slow motion of a paraboloid of revolution in a rotating fluid (1958)
    Cambridge University Press
    Details
    Publication Date: 1958-01-01
    Description: The slow uniform motion, after an impulsive start from relative rest, of a paraboloid of revolution along the axis of a rotating fluid is investigated by using a perturbation method. The principal purpose of the note is to illustrate the mechanism by which the fluid is not subjected to any substantial radial displacement, which is a direct consequence of the requirement that the circulation round material circuits should be constant when the perturbation velocities due to the motion of the paraboloid remain small. It appears that the mechanism is an oscillatory one in which the distance between any fluid particle and the axis of rotation oscillates sinusoidally in time with small amplitude. As time progresses, the amplitude of the oscillation decays to zero everywhere except on the paraboloid. The ultimate motion is then a rigid body rotation everywhere except on the paraboloid and the axis of rotation, where the perturbation velocities continue to oscillate indefinitely with small amplitude. © 1958, Cambridge University Press. All rights reserved.
    Print ISSN: 0022-1120
    Electronic ISSN: 1469-7645
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Cambridge University Press
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  • 10
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    The decay of perturbations in an electrically conducting and thermally radiating gas (1973)
    Cambridge University Press
    Details
    Publication Date: 1973-08-21
    Description: The decay of perturbations in an infinite, thermally radiating gas of perfect electrical conductivity in the presence of magnetic field is studied. Complete solutions for the decay of initial sinusoidal perturbations in the temperature, gas velocity and pressure are determined. The sinusoidal perturbations are superposed to yield solutions for the decay of initial ‘step’ temperature profiles consisting of a constant initial temperature perturbation inside a finite planar region, with zero temperature perturbation outside. For a broad range of small and intermediate Boltzmann numbers the cooling proceeds in time from being a constant-density cooling process to being a constant-pressure cooling process. The magnetic field causes slower temperature decay with time and makes the temperature perturbations tend to attain constant-pressure cooling values. It quickens the decay of velocity and pressure perturbations and thus the transition from a constant-density to a constant-pressure cooling process is hastened. This transition is produced by the magneto-acoustic waves generated near the profile edges by the radiative cooling. © 1973, Cambridge University Press. All rights reserved.
    Print ISSN: 0022-1120
    Electronic ISSN: 1469-7645
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Cambridge University Press
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