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Monday, May 11, 2020 | History

3 edition of Theoretical studies of a molecular beam generator found in the catalog.

Theoretical studies of a molecular beam generator

Theoretical studies of a molecular beam generator

progress report for the period ended May 15, 1994

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  • 4 Currently reading

Published by Dept. of Mathematics & Statistics, College of Sciences, Old Dominion University, National Technical Information Service, distributor in Norfolk, Va, [Springfield, Va .
Written in English


Edition Notes

Statementby John Heinbockel, principal investigator.
Series[NASA contractor report] -- NASA CR-196306., NASA contractor report -- NASA CR-196306.
ContributionsUnited States. National Aeronautics and Space Administration.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL14667584M

Furthermore, existing theoretical models to explain the experimental observations are introduced and the possibility to deduce structural information from measurements of dielectric properties is discussed. Additional case studies are presented in the book to emphasize the possibilities but also drawbacks of the methods. The relevance of van der Waals interactions in the scattering of neutral atoms from adsorbates has been recently confirmed by highly sensitive molecular-beam techniques. The theoretical descriptions of the collision dynamics which followed the experimental studies have necessitated very careful qualitative and quantitative examinations and.

State-Selected and State-to-State Ion-Molecules Reaction Dynamics details the recent experimental and theoretical accomplishments in the field to date by some of its foremost researchers and theorists. Divided into two parts, each of which separately describe the experimental and theoretical aspects of the field, State-Selected and State-to-State Ion . The third edition of a classic text originally by Frost and Pearson, that describes the fundamental principles and established practices that apply to the study and the rates and mechanisms of homogeneous chemical reactions in the gas phase and in solution. Incorporates new advances made during the past 20 years in the study of individual molecular collisions by molecular-beam Reviews: 1.

The third edition of a classic text originally by Frost and Pearson, that describes the fundamental principles and established practices that apply to the study and the rates and mechanisms of homogeneous chemical reactions in the gas phase and in solution. Incorporates new advances made during the past 20 years in the study of individual molecular collisions by molecular-beam. We seek experimental and theoretical studies using a variety of structural and spectroscopic methods. The obtained structural information should be put in a broader perspective and correlated with molecular properties and mechanisms of chemical reactions and physical processes. Dr. Igor Reva Prof. Dr. Xuefeng Wang Collection Editors.


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Theoretical studies of a molecular beam generator Download PDF EPUB FB2

Get this from a library. Theoretical studies of a molecular beam generator. [John Heinbockel; United States. National Aeronautics and Space Administration.]. Theoretical studies of a molecular beam generator - NASA/ADS At present no adequate computer code exists for predicting the effects of thermal nonequilibrium on the flow quality of a converging-diverging N2 : John H.

Heinbockel. THEORETICAL STUDIES OF A MOLECULAR BEAM GENERATOR MOLECULAR BEAM GENERATOR MODEL The following is a proposed baseline model that is being develope for the simulation of hydrodynamic generator, which can be converted at a later date to a magnetohydrodynamic MHD thruster by adding the necessary electric and magnetic fields.

Author: John H. Heinbockel. Theoretical studies of a molecular beam generator: progress report for the period ended [John Heinbockel; United States. National Aeronautics and Space Administration.]. It is the purpose of this research to develop such a code and then perform parametric studies to determine the effects of intermolecular forces (high gas pressure) and thermal nonequilibrium (the splitting of temperature into a vibrational and rotational-translational excitation) upon the flow quality.

The two models to be compared are : John Heinbockel. The following is a proposed baseline model that is being developed for the simulation of hydrodynamic generator, which can be converted at a later date to magnetohydrodynamic MHD thruster by adding the necessary electric and magnetic : John H.

Heinbockel. Atomic and Molecular Beams covers the state of the art in this field both theoretically and experimentally. With many contributions from leading researchers, including several Nobel laureates, this book will serve as a long lasting source of reference on all aspects of fundamental research into or.

This text also considers the development and testing of theoretical models for these formation and decomposition processes. The opening chapters discuss photoelectron photoion coincidence, ion cyclotron resonance, and crossed molecular beam studies of metastable ion-molecule complexes formed in.

Part of the Springer Tracts in Modern Physics book series (STMP, volume ) The investigation of small molecular complexes has recently become an important source of information on intermolecular forces. These small systems are at the limit of what can be accurately described by theoretical (ab initio) models.

In a standard molecular beam source the maximum attainable intensity in the collimated beam is limited first by the effusion rate through the oven slit, which must be made sufficiently narrow to attain free molecule flow, and second by unfavorable geometrical factors encountered in selecting a collimated beam from random initial by: He is supervising a research group working on the theoretical study of atomic and molecular interactions, and is author or co-author of over scientific papers mostly published on international journals, and of one book on Molecular Quantum by: 8.

Book Search tips Selecting this option will search all publications across the Scitation platform Selecting this option will search all publications for the Publisher/Society in context.

Theoretical study of GaN molecular beam epitaxy growth using Author: Wenning Fu, Rama Venkat, Meyya Meyyappan. This unified and coherent account will appeal to both graduate students and researchers in the study of molecular beam epitaxial growth. Reviews Review of the hardback:'For MBE [molecular beam epitaxy experts this book brings a concise and in depth description of the most salient features of modern MBE growth.

The dynamics of the F+H 2 reaction have been investigated in a high resolution crossed molecular beam study. Differential cross sections and kinetic energy distributions were obtained for each HF vibrational state.

The v=1 and v=2 states were predominantly backward scattered, but substantial forward scattering was observed for HF (v=3) over the range of collision energies Cited by: In this work, we report a theoretical study on molecular structure, electrostatic potential and nonlinear optical properties of Zwitterionic 6-methyloxo[1-(ureidoiminio)ethyl] -2H-pyran   Advances in Classical Trajectory Methods, Volume 2: Dynamics of Ion-Molecule Complexes is a seven-chapter text that covers the considerable advances in the experimental and theoretical aspects of ion-molecular complexes, with particular emphasis on the dynamics and kinetics of their formation and ensuing unimolecular Edition: 1.

Reflection high-energy electron diffraction (RHEED) is the analytical tool of choice for characterizing thin films during growth by molecular beam epitaxy, since it is very sensitive to surface structure and morphology.

This book serves as an introduction to RHEED for beginners Reviews: 1. The Advanced Study Institute on "Quantum Dynamics of Molecules: The New Experimental Challenge to Theorists," which was sponsored by the Scientific Affairs Division of NATO, was held at Trinity Hall, Ca~bridge, England from September 15th till.

It describes a work that is done in a magnet facility that allows very high precision studies of the deflection of magnetic particles in a molecular beam. The apparatus resembles the Stern-Gerlach experiment in that a beam of particles is directed through an inhomogeneous magnetic field and into a detector.

The present work was devoted to a study of the effect of residual gas on the distribution function in a molecular beam defined from a jet in the scattering mode [6]. The work was performed on the small molecular-beam generator [7] and on the VS-4 low-density gasdynamic tube [8] at the Institute of Thermal Physics, Siberian Branch, Academy of Cited by: 1.

The work was performed on the small molecular-beam generator [7] and on the VS-4 low-density gasdynamic tube [8] at the Institute of Thermal Physics, Siberian Branch, Academy of Sciences of the USSR.Pages (December ) Download full issue. Previous vol/issue.

Next vol/issue. select article A theoretical study of molecular structure in the excited state and molecular luminescence: I.

Book review Full text access Molecular biology, biochemistry and biophysics, vol. 14, micromethods in molecular biology: edited by V.DEPARTMENT OF MATHEMATICS & STATISTICS COLLEGE OF SCIENCES OLD DOMINION UNIVERSITY NORFOLK, VIRGINIA THEORETICAL STUDIES OF A MOLECULAR BEAM GENERATOR By «.