The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data

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The Conversion of Aircraft Ice Crystal Measurements Into Terms of Liquid Water Using Simulated Data

Robert O. Berthel
The Conversion of Aircraft Ice Crystal Measurements Into Terms of Liquid Water Using Simulated Data Book PDF

Author : Robert O. Berthel
Publisher : Unknown
Page : 52 pages
File Size : 49,6 Mb
Release : 1981
Category : Airplanes
ISBN : UOM:39015095141803

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The Conversion of Aircraft Ice Crystal Measurements Into Terms of Liquid Water Using Simulated Data by Robert O. Berthel Pdf

This investigation presents simulated environments of ice crystals to computer analysis as a means of imitating particle measurements made by electro-optical devices such as the Particle Measuring System's 1-D instrument. A mathematical model is developed so that single crystals of known geometric form can be processed by considering each crystal's spatial relationship to the assumed measuring instrument. Crystal orientation is defined using a random number technique. The results of the assumed measurements are converted into mass of equivalent liquid water by different methods and are compared with the known mass of the simulated environment. Relationships are derived for the conversion of several forms of single ice crystals into terms of equivalent melted diameters of liquid water and a comparison is made between the mass calculated from the derived equations with the conversion equations relating measured length to equivalent melted diameter currently in use.

Air Force Surveys in Geophysics

Anonim
Air Force Surveys in Geophysics Book PDF

Author : Anonim
Publisher : Unknown
Page : 106 pages
File Size : 52,6 Mb
Release : 1982
Category : Geophysics
ISBN : OSU:32435061432209

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Air Force Surveys in Geophysics by Anonim Pdf

A Survey of Melting Layer Research

Robert C. Schaller
A Survey of Melting Layer Research Book PDF

Author : Robert C. Schaller
Publisher : Unknown
Page : 104 pages
File Size : 55,9 Mb
Release : 1982
Category : Ice
ISBN : UOM:39015095143312

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A Survey of Melting Layer Research by Robert C. Schaller Pdf

This report summarizes previous melting-layer research both within and outside AFGL and provides recommendations for future research in the melting layer. An extensive literature search provided a bibliography of previous research. This bibliography is included as an appendix. Several definitions of the top and bottom of the melting layer are presented and discussed. Aggregation and breakup appear to be the chief microphysical processes that determine the particle-size spectrum of snow and ice that enter the melting layer. Studies of the actual melting process and of the melting layer as seen by radar are presented. Microphysical and thermodynamic characteristics are discussed. Dynamic considerations are mentioned. Previously gathered aircraft data are reviewed, and recommendations are made for future aircraft and radar data-gathering efforts. (Author).

Effects of Numbers, Sizes and Crystal Structures on Measurements of Ice Hydrometeors

Robert O. Berthel
Effects of Numbers Sizes and Crystal Structures on Measurements of Ice Hydrometeors Book PDF

Author : Robert O. Berthel
Publisher : Unknown
Page : 30 pages
File Size : 44,6 Mb
Release : 1990
Category : Cloud physics
ISBN : UOM:39015095311489

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Effects of Numbers, Sizes and Crystal Structures on Measurements of Ice Hydrometeors by Robert O. Berthel Pdf

Simulated measurements of assumed ice hydrometeor environments generate number-size distributions similar to those from in situ measurements even to the point of reproducing several inconsistencies often found in actual data. This report describes the computer fabrication of ice hydrometeors composed of single columns and combinations of columns with random spatial orientation and the simulated measuring of those particles by PMS 1-D instruments. Varying effects on distribution shapes are demonstrated by using different assumptions of particle number and sizes. Efforts were concentrated on exploring the problems of deficient number counts in the first or first few classes of precipitation probe data, non-compatible number concentrations from the cloud and precipitation probes, and the apparent existence of a few large particles that are not consistent with the rest of the distribution. This investigation indicates that the numbers, sizes, crystalline structures, and spatial positioning of hydrometeors may be the cause of these effects.

Scientific and Technical Aerospace Reports

Anonim
Scientific and Technical Aerospace Reports Book PDF

Author : Anonim
Publisher : Unknown
Page : 602 pages
File Size : 41,7 Mb
Release : 1995
Category : Aeronautics
ISBN : MINN:30000006324614

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Scientific and Technical Aerospace Reports by Anonim Pdf

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Environmental Research Papers

U.S. Air Force Geophysics Laboratory
Environmental Research Papers Book PDF

Author : U.S. Air Force Geophysics Laboratory
Publisher : Unknown
Page : 218 pages
File Size : 40,8 Mb
Release : 2024-06-02
Category : Aeronautics
ISBN : CHI:38966377

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Environmental Research Papers by U.S. Air Force Geophysics Laboratory Pdf

Investigations of Large Scale Storm Systems

Arnold A. Barnes
Investigations of Large Scale Storm Systems Book PDF

Author : Arnold A. Barnes
Publisher : Unknown
Page : 48 pages
File Size : 48,8 Mb
Release : 1982
Category : Cirrus clouds
ISBN : UOM:39015095141944

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Investigations of Large Scale Storm Systems by Arnold A. Barnes Pdf

The microphysics of Large Scale Cloud Systems (LSCS) was investigated by in-situ measurements made from two specially instrumented aircraft, a United States Air Force MC-130E and a Learjet 36 Information was obtained on the distribution of liquid and ice water content, particle size distributions, crystal habits, and other meteorological variables. The morphologies of three storms were investigated in detail as the storms crossed the United States.

Technical Abstract Bulletin

Anonim
Technical Abstract Bulletin Book PDF

Author : Anonim
Publisher : Unknown
Page : 174 pages
File Size : 49,7 Mb
Release : 1981
Category : Science
ISBN : CORNELL:31924057177085

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Technical Abstract Bulletin by Anonim Pdf

Government Reports Annual Index

Anonim
Government Reports Annual Index Book PDF

Author : Anonim
Publisher : Unknown
Page : 1844 pages
File Size : 40,6 Mb
Release : 1992
Category : Government reports announcements & index
ISBN : MINN:30000003037698

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Government Reports Annual Index by Anonim Pdf

Government Reports Annual Index: Keyword A-L

Anonim
Government Reports Annual Index Keyword A L Book PDF

Author : Anonim
Publisher : Unknown
Page : 1016 pages
File Size : 46,5 Mb
Release : 1982
Category : Government reports announcements & index
ISBN : MINN:319510006566613

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Government Reports Annual Index: Keyword A-L by Anonim Pdf

Selected Water Resources Abstracts

Anonim
Selected Water Resources Abstracts Book PDF

Author : Anonim
Publisher : Unknown
Page : 1196 pages
File Size : 45,6 Mb
Release : 1991
Category : Water
ISBN : WISC:89071949101

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Selected Water Resources Abstracts by Anonim Pdf