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
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Author : Robert O. Berthel
language : en
Publisher:
Release Date : 1981
The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data written by Robert O. Berthel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Airplanes categories.
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.
The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data
DOWNLOAD
Author : Robert O. Berthel
language : en
Publisher:
Release Date : 1981
The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data written by Robert O. Berthel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Ice crystals categories.
The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data
DOWNLOAD
Author : Robert O. Berthel
language : en
Publisher:
Release Date : 1981
The Conversion Of Aircraft Ice Crystal Measurements Into Terms Of Liquid Water Using Simulated Data written by Robert O. Berthel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Airplanes categories.
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
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Author :
language : en
Publisher:
Release Date : 1982
Air Force Surveys In Geophysics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Geophysics categories.
Effects Of Numbers Sizes And Crystal Structures On Measurements Of Ice Hydrometeors
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Author : Robert O. Berthel
language : en
Publisher:
Release Date : 1990
Effects Of Numbers Sizes And Crystal Structures On Measurements Of Ice Hydrometeors written by Robert O. Berthel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Cloud physics categories.
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.
Implications Of The Khrgian Mazin Distribution Function For Water Clouds And Distribution Consistencies With Aerosols And Rain
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Author : V. G. Plank
language : en
Publisher:
Release Date : 1991
Implications Of The Khrgian Mazin Distribution Function For Water Clouds And Distribution Consistencies With Aerosols And Rain written by V. G. Plank and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Aerosols categories.
A Survey Of Melting Layer Research
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Author : Robert C. Schaller
language : en
Publisher:
Release Date : 1982
A Survey Of Melting Layer Research written by Robert C. Schaller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Ice categories.
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).
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
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
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Author : U.S. Air Force Geophysics Laboratory
language : en
Publisher:
Release Date :
Environmental Research Papers written by U.S. Air Force Geophysics Laboratory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Aeronautics categories.
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date : 1981
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Science categories.