BOLIDE PHYSICAL THEORY WITH APPLICATION TO PN AND EN FIREBALLS.

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Using data on 22 'precise bolides' with up to 882 individual points on their trajectories and using data on 29 'bright bolides' and on 10 artificial meteors, we tried to derive dependence of ablation and shape-density coefficients, and of luminous efficiency on various time dependent parameters. The only significant dependence we found was that on v{sub {infinity}} - v (on difference of initial and instantaneous velocities). We present the results as Eq. 3, 4 and 8, with coefficients a{sub 1}, a{sub 2}, a{sub 3}, a{sub 4}, b{sub 1}, b{sub 2}, a{sub 3}, c{sub 1}, c{sub 2}, computed for different bolide ... continued below

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6 p.

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ReVelle, D. O. (Douglas O.) January 1, 2001.

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Description

Using data on 22 'precise bolides' with up to 882 individual points on their trajectories and using data on 29 'bright bolides' and on 10 artificial meteors, we tried to derive dependence of ablation and shape-density coefficients, and of luminous efficiency on various time dependent parameters. The only significant dependence we found was that on v{sub {infinity}} - v (on difference of initial and instantaneous velocities). We present the results as Eq. 3, 4 and 8, with coefficients a{sub 1}, a{sub 2}, a{sub 3}, a{sub 4}, b{sub 1}, b{sub 2}, a{sub 3}, c{sub 1}, c{sub 2}, computed for different bolide types. Also average values of ablation, and shape-density coefficients as well as average luminous efficiencies for individual bolide types are given.

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6 p.

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  • Submitted to: Meteoroids 2001, Kiruna, Sweden August 6-10, 2001

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  • Report No.: LA-UR-01-5650
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 975809
  • Archival Resource Key: ark:/67531/metadc928964

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  • January 1, 2001

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 10:44 p.m.

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ReVelle, D. O. (Douglas O.). BOLIDE PHYSICAL THEORY WITH APPLICATION TO PN AND EN FIREBALLS., article, January 1, 2001; United States. (digital.library.unt.edu/ark:/67531/metadc928964/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.