Techniques For Measuring Liquid Water Content Along A Trajectory

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Techniques For Measuring Liquid Water Content Along A Trajectory

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Author : Rosemary M. Dyer
language : en
Publisher:
Release Date : 1981

Techniques For Measuring Liquid Water Content Along A Trajectory written by Rosemary M. Dyer 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, Military categories.

The standard procedure for estimating the point value of liquid water content (M) along the reentry path of a ballistic missile is to use a radar derived value of radar reflectivity factor (Z), with the M to Z relation obtained from aircraft measurements of the particle spectrum. This report contains descriptions of the various techniques used to make the radar and aircraft data compatible. The results of various methods to predict the liquid water content values are compared with aircraft measured values. The extrapolation of instrumentally truncated aircraft measurements to include the entire range of particle sizes is treated in Section 1. Section 2 contains a discussion of the method of deriving nominal M-Z relations, applies the method to data acquired at Kwajalein Missile Range, and provides M-Z relations for rain, small snow, large snow, and bullet rosettes. The introduction of the factor 'k' to convert from aircraft measurements to radar derived values is also discussed in Section 2. The relationship of k with altitude and temperature for data from Kwajalein and Wallops Island is covered in Section 3. Finally, Section 4 contains a determination of the accuracy to which liquid water content can be estimated from climatological storm data for moderate to heavy stratiform winter storms at Wallops Island. The results of Section 4 demonstrate that situations which deviate significantly from climatological averages still require time- specific M-Z relations derived from simultaneous aircraft-radar measurements.

Techniques For Measuring Liquid Water Content Along A Trajectory

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Author : Rosemary M. Dyer
language : en
Publisher:
Release Date : 1981

Techniques For Measuring Liquid Water Content Along A Trajectory written by Rosemary M. Dyer 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, Military categories.

The standard procedure for estimating the point value of liquid water content (M) along the reentry path of a ballistic missile is to use a radar derived value of radar reflectivity factor (Z), with the M to Z relation obtained from aircraft measurements of the particle spectrum. This report contains descriptions of the various techniques used to make the radar and aircraft data compatible. The results of various methods to predict the liquid water content values are compared with aircraft measured values. The extrapolation of instrumentally truncated aircraft measurements to include the entire range of particle sizes is treated in Section 1. Section 2 contains a discussion of the method of deriving nominal M-Z relations, applies the method to data acquired at Kwajalein Missile Range, and provides M-Z relations for rain, small snow, large snow, and bullet rosettes. The introduction of the factor 'k' to convert from aircraft measurements to radar derived values is also discussed in Section 2. The relationship of k with altitude and temperature for data from Kwajalein and Wallops Island is covered in Section 3. Finally, Section 4 contains a determination of the accuracy to which liquid water content can be estimated from climatological storm data for moderate to heavy stratiform winter storms at Wallops Island. The results of Section 4 demonstrate that situations which deviate significantly from climatological averages still require time- specific M-Z relations derived from simultaneous aircraft-radar measurements.

Impingement Of Cloud Droplets On A Cylinder And Procedure For Measuring Liquid Water Content And Droplet Sizes In Supercooled Clouds By Rotating Multicylinder Method

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Author : E. R. G. Eckert
language : en
Publisher:
Release Date : 1955

Impingement Of Cloud Droplets On A Cylinder And Procedure For Measuring Liquid Water Content And Droplet Sizes In Supercooled Clouds By Rotating Multicylinder Method written by E. R. G. Eckert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Aerodynamics categories.

Methods Fo Measuring Liquid Water Content In Cloud

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Author : R. J. Murgatroyd
language : en
Publisher:
Release Date : 1952

Methods Fo Measuring Liquid Water Content In Cloud written by R. J. Murgatroyd and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1952 with categories.

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.

Technical Note National Advisory Committee For Aeronautics

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Author : United States. National Advisory Committee for Aeronautics
language : en
Publisher:
Release Date : 1958

Technical Note National Advisory Committee For Aeronautics written by United States. National Advisory Committee for Aeronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Aeronautics categories.

Annual Report National Advisory Committee For Aeronautics

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Author : United States. National Advisory Committee for Aeronautics
language : en
Publisher:
Release Date : 1955

Annual Report National Advisory Committee For Aeronautics written by United States. National Advisory Committee for Aeronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Aeronautics categories.

Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.

Impingement Of Water Droplets On A Cylinder In An Incompressible Flow Field And Evaluation Of Rotating Multicylinder Method For Measurement Of Droplet Size Distribution Volume Median Droplet Size And Liquid Water Content In Clouds

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Author : Rinaldo J. Brun
language : en
Publisher:
Release Date : 1953

Impingement Of Water Droplets On A Cylinder In An Incompressible Flow Field And Evaluation Of Rotating Multicylinder Method For Measurement Of Droplet Size Distribution Volume Median Droplet Size And Liquid Water Content In Clouds written by Rinaldo J. Brun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with categories.

A Method For Measuring The Product Of Inertia And The Inclination Of The Principal Longitudinal Axis Of Inertia Of An Airplane

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Author : Robert W. Boucher
language : en
Publisher:
Release Date : 1954

A Method For Measuring The Product Of Inertia And The Inclination Of The Principal Longitudinal Axis Of Inertia Of An Airplane written by Robert W. Boucher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Airplanes categories.

The angle of inclination of the principal axis was found to have probable error of plus or minus 0.17 degrees both from analysis of the error of inertia measurement of the full-scale airplane and from tests with a model having a simple configuration. Analysis showed the probable error of the inertia measurements for the test airplane to be plus or minus1.00, plus or minus 0.49, and plus or minus 0.35 percent of the true moment of inertia about the X, Y, and Z body reference axes, respectively.

Technical Note

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Author :
language : en
Publisher:
Release Date : 1955

Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Aeronautics categories.