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Effects of Thermal Cycling on Biaxially Stressed Balloon Films
This report presents the results of an examination of the biaxial strength properties of two commercial balloon films. 0.75 mil VisQueen X-124 and 0.7 mil Winzen StratoFilm were...- publication PDF
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Aircraft and Instrumentation in Atmospheric Research
This catalog provides convenient and reasonably comprehensive information on aircraft and associated instrumentation used for atmospheric research in the United States. The...- publication PDF
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Meeting Review the Second NCAR Research Aircraft Fleet Workshop
This report provides details of a workshop held at NCAR during the period 15-16 April 1987, for the purposes of assessing the scientific needs for atmospheric research aircraft...- publication PDF
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Material Strength Properties of Startex SL 1883 Film
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Proceedings of the Atmospheric Research Aircraft Instrumentation Workshop...
This is part one of a two part report that details the proceedings of the Atmospheric Research Aircraft Instrumentation Workshop and Symposium, held in Oklahoma City, 17 and 18...- publication PDF
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The Feasibility of Long Duration Ballooning in Antarctica
This report outlines a plan for balloon operations in Antarctica as requested by Mr. Gordon Newkirk of the National Center for Atmospheric Research. It includes discussions of...- publication PDF
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Characterization of Uncertainty in Measurements of Wind from the NSF/NCAR...
This technical note presents an analysis of uncertainty for measurements of wind from the Gulfstream V research aircraft operated by the National Center for Atmospheric Research...- publication PDF
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A Carrier Balloon for Tropical Soundings
During July 1970 to January 1971, a series of tests was conducted to demonstrate the feasibility of obtaining wind data in the tropical troposphere and lower stratosphere by...- publication PDF
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Theoretical Errors on Airborne Measurements Of: Static Pressure, Impact...
Report on a complete theory development that gives an exact calculation for all angles with irrotational flow around a sphere, the easiest shape for a nose radome which includes...- publication PDF
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A Kalman Filter to Improve Measurements of Wind from NSF/NCAR Research Aircraft
To improve the measurements of wind made from NSF/NCAR aircraft, a Kalman filter is developed and applied to archived data files from research projects. The filter is an error-...- publication PDF
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Balloon Strain Relief System
A balloon strain relief system for use during pre-launch activities was developed and its effect on balloon tensile strength was examined. Various clamp materials and balloons...- publication PDF
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Balloon Film Performance After Prior Stress
This report describes a series of tests conducted on balloon film material to determine if uneven loading of the balloon film material might cause failure at a stress level...- publication PDF
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The measurement of air velocity and temperature using the NCAR Buffalo...
This report describes methods used to measure air velocity and temperature from an aircraft and their applications to the measuring system on the NCAR Buffalo aircraft. Main...- publication PDF
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Quality Analysis of Visqueen Balloon Film
A study was conducted to investigate the production history of Visqueen A balloon film and to develop information useful for future procurement, quality control, and design of...- publication PDF
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Boundary Layer Profile Measurement System
The NCAR Field Observing Facility developed a new tethered-balloon wing system that accurately measures the vertical profile of temperature, wind speed, wind direction, and...- publication PDF
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Strength Characteristics of DuPont "Surlyn A" Film
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Strength Characteristics of Grace Cryovac YH Polypropylene Film
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Tests of Balloon Materials: Prepared for the NCAR Scientific Balloon Facility
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Engineering Report on a Dropsonde for Measuring Vertical Wind Velocity in...
This report describes a special dropsonde for measuring and mapping the vertical wind inside thunderstorms. One the possible ways of measuring vertical wind is to drop...- publication PDF
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Numerical Prediction of the Performance of High Altitude Balloons
This report presents the equations governing the vertical motion of a balloon and reviews recent advances in heat transfer experimentation and theory pertinent to the processes...- publication PDF
