Now showing items 291-300 of 344
Flow Fields of Flame Propagating in Channels Based on the Source Sheet Approximation
(The American Institute of Physics, 1963-08)
A volume source sheet plus a uniform flow is used to represent the flow field of a flame propagating in a channel. The unknown flame shape is determined by the requirement that the velocity normal and relative to it, i. ...
Generation of Giant Pulses from a Neodymium Laser with an Organic‐Dye Saturable Filter
(The American Institute of Physics, 1967-04)
There has been much recent interest in the production of high‐peak power laser pulses by regeneration switching. Organic dyes have been used as saturable filters for both the ruby (cyanine dyes) and neodymium (a polymethine ...
Quantum Mechanical (Phase Shift) Analysis of Differential Elastic Scattering of Molecular Beams
(The American Institute of Physics, 1960-09)
For a spherically symmetrical intermolecular potential V(r)=ϵf(r/σ) the quantum calculation of the elastic scattering cross section dσ(Θ)/dΩ in the c.m. system is carried out as follows. For a given relative velocity (or ...
Production of a 23S Helium Beam
(The American Institute of Physics, 1969-09)
Beams of metastable helium produced by electron bombardment generally contain atoms in both the 21S and 23S states. It is important in many experiments to distinguish between these states, or at least to know the population ...
Vibration-rotation energies of tetrahedral XY4 molecules : Part II. The fundamental [nu]3 of CH4
(Elsevier, 1961)
The matrix elements derived in the first paper of this series are used to compute the frequencies of the tetrahedral fine structure components of the rotational lines of the fundamental [nu]3 of CH4. The theoretically ...
Hydrodynamic Analysis of Noise in a Finite‐Temperature Electron Beam
(The American Institute of Physics, 1965-08)
On the basis of a small‐signal, one‐dimensional analysis, a set of basic macroscopic differential equations, governing the fluctuations in quantities such as the electron‐beam temperature, the mean velocity, and the current ...
Iterative Method for Solution of the One‐Dimensional Wave Equation: Eigenvalues and Eigenfunctions for L‐J (12, 6) and Exponential (α, 6) Interatomic Potentials
(The American Institute of Physics, 1963-05-01)
A method of direct numerical integration of the one‐dimensional wave equation is described and illustrated by calculations of the radial wavefunctions, vibrational energy levels, and numbers of bound states for diatomic ...
Structure of Weak Non‐Hugoniot Shocks
(The American Institute of Physics, 1963-05)
As the curvature of shock waves increases, the shock structure becomes two dimensional, and the usual Hugoniot jump conditions no longer hold. An equation has been derived for the structure of such a two‐dimensional ...
High‐Velocity Molecular Beam Scattering: Total Elastic Cross Sections for L‐J(n, 6) and Exp‐6(α) Potentials
(The American Institute of Physics, 1963-01-15)
Explicit expressions are derived for the total elastic scattering cross sections in the high‐velocity region for molecules interacting according to L‐J (n, 6) and exp‐6(α) potentials. Cross sections are presented in tabular ...
Intensity Fluctuations of the Radiation from a Dispersive Blackbody
(The American Institute of Physics, 1967-12)
Statistical properties of the output fluctuations of a photon detector measuring the intensity of radiation at a given frequency emitted by a dispersive blackbody are investigated using Langevin's technique. The variance‐to‐mean ...