Physics

Report
Energy Transfer in Particle-Surface Interactions in Hypervelocity Flight: Commentary and Bibliography
This study provides a comprehensive review of particle-surface interaction research, plus a bibliography containing over 250 entries, many of which are annotated in detail.
Jan 1, 1967
Report
The thermodynamics of the zirconia/zirconium-oxygen vapor system
Part of a continuing study of the complex problems found in the physics of reentry bodies. Zirconia is the eighth of a series of ablative materials investigated by mathematical techniques. This study reports the thermodynamic investigation of zirconi...
Jan 1, 1966
Journal Article
Reply by Authors to R. W. Porter and A. B. Cambel
The authors respond to Comment on 'Magnetohydrodynamic-hypersonic viscous and inviscid flow near the stagnation point of a blunt body,'
Jan 1, 1966
Report
Computational Solution of Radiative Transfer Problems in Cloud Physics
For the sake of simplicity, this paper views the radiative transfer problem in clouds as that of multiple scattering with an anisotropic phase function, leaving out heat transfer and other effects.
Jan 1, 1965
Journal Article
Bands of D2 and T2 Originating from the Lowest Excited 1sigma G States (1s) Sigma)(2s Sigma)1sigma G and (2p) Sigma) Squared 1sigma G
Bands of the two extensive band systems are presented.
Jan 1, 1965
Report
Determination of the D-Layer Air Chemistry from a Daytime, High-Altitude Nuclear Explosion.
A discussion of the properties of X-ray-induced absorption in a daytime environment. Measurements of the magnitude and time dependence of X-ray-induced absorption over Midway during the nighttime high-altitude nuclear explosion of July 9, 1962 allowe...
Jan 1, 1965
Report
Elaboration of Hocking's hydrodynamic theory
Part of a study of the physics of cloud particle collisions, this Memorandum is a verification and improvement of L. M. Hocking's hydrodynamic theory of collection efficiency. The resulting infinite sets of equations that must be solved for the force...
Jan 1, 1965
Journal Article
Green's Functions for One-Velocity Neutron Transport in a One-Dimensional Slab and Sphere
Computing a Green's function, for one-velocity neutron transport or radiative transfer in a one-dimensional slab or sphere with isotropic scattering.
Jan 1, 1964
Report
Invariant Imbedding, Particle Interaction and Conservation Relations.
One of a series of studies applying invariant imbedding to new analytic and computational approaches to mathematical physics. This Memorandum shows that for a quite general class of transport processes involving particle-particle interaction, differ...
Jan 1, 1964
Report
Relative Invariants and Closure.
A basic problem of mathematical physics is replacing a nonlinear functional equation by a more tractable (analytically and computationally) linear equation. More generally, the problem is to replace a system of non-linear equations, often derived fr...
Jan 1, 1964
Journal Article
Scattering of Light by Light in Plasmas
A quantum-mechanical calculation of the scattering rate of light by light in the polarizable medium of a plasma is carried out.
Jan 1, 1964
Report
Air Radiation from Nonequilibrium Wakes of Blunt Hypersonic Reentry Vehicles
Part of a continuing theoretical study of reentry physics.
Jan 1, 1964
Report
The Physics of Meteor Entry
A survey of recent publications on the physics of meteor entry. The various regimes of luminous flight are defined, and present techniques for obtaining the mass and density of meteoroids are critically discussed.
Jan 1, 1964
Report
Recording Lissajous Figures
A graphic presentation of Lissajous figures produced by an IBM 7044 computer and a Stromberg-Carlson 4020 printer-plotter. Equations describing the path of a particle undergoing motion of a damped double pendulum are given. The value of the experime...
Dec 31, 1963
Report
Anomalous Sounds and Electromagnetic Effects Associated with Fireball Entry
Discussion of the nature and origin of anomalous sounds and electromagnetic effects associated with the entry of bright fireballs into the atmosphere.
Jul 1, 1963
Report
Review of Physical Processes in Hypervelocity Impact and Penetration.
A treatment of a number of topics in the physics of hypervelocity impact. Comparisons are drawn with recent good experimental data and previous penetration theories advanced by the author. Some new calculations on thin-target penetration are presente...
Jan 1, 1963
Report
Three Papers on Radiative Transfer from Investigations of the Physics of the Atmosphere, No. 3, Academy of Sciences, Estonian S.S.R., 1962.
Translations of three Soviet papers written by Y. Malamaa, O. Avaste, H. Moldau, K. S. Schifrin. They include the formulation of equations for calculating the intensity of diffusely reflected and transmitted light; results of calculations of the spec...
Jan 1, 1963
Report
Across Mars by Bus or Bicycle?.
A short "popular" treatment of the proposal to use balloons for carrying instruments and for other purposes on Mars. Much of the article is drawn from information published in R-421, The Physics of Balloons and Their Feasibility as Exploration Vehicl...
Jan 1, 1963
Report
Radiative Equilibrium of the Mesosphere.
Results of joint photochemical-radiative equilibrium calculations for the mesosphere and upper stratosphere. Major assumptions are that only oxygen allotropes participate in the chemistry and that the radiative balance is between absorption of solar ...
Jan 1, 1963
Report
A Note on Hamilton's Equations and Invariant Imbedding.
Part of Rand's continuing study of the computational aspects of solving the equations of mathematical physics. A new basic partial differential equation of particle mechanics is derived. 12 pp....
Jan 1, 1962

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Jason Mastbaum is a research programmer at RAND. He specializes in applying data analysis and visualization, technology forecasting, and modeling and simulation to defense and homeland security research questions. Mastbaum received a B.A. in physics from Bard College and an M.S. in applied…

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Physics

Energy Transfer in Particle-Surface Interactions in Hypervelocity Flight: Commentary and Bibliography

The thermodynamics of the zirconia/zirconium-oxygen vapor system

Reply by Authors to R. W. Porter and A. B. Cambel

Computational Solution of Radiative Transfer Problems in Cloud Physics

Bands of D2 and T2 Originating from the Lowest Excited 1sigma G States (1s) Sigma)(2s Sigma)1sigma G and (2p) Sigma) Squared 1sigma G

Determination of the D-Layer Air Chemistry from a Daytime, High-Altitude Nuclear Explosion.

Elaboration of Hocking's hydrodynamic theory

Green's Functions for One-Velocity Neutron Transport in a One-Dimensional Slab and Sphere

Invariant Imbedding, Particle Interaction and Conservation Relations.

Relative Invariants and Closure.

Scattering of Light by Light in Plasmas

Air Radiation from Nonequilibrium Wakes of Blunt Hypersonic Reentry Vehicles

The Physics of Meteor Entry

Recording Lissajous Figures

Anomalous Sounds and Electromagnetic Effects Associated with Fireball Entry

Review of Physical Processes in Hypervelocity Impact and Penetration.

Three Papers on Radiative Transfer from Investigations of the Physics of the Atmosphere, No. 3, Academy of Sciences, Estonian S.S.R., 1962.

Across Mars by Bus or Bicycle?.

Radiative Equilibrium of the Mesosphere.

A Note on Hamilton's Equations and Invariant Imbedding.

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