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Wind Tunnel and Field Investigations of Shapes for Balloon Shelters
This report discusses the results of a series of wind tunnel and field tests performed in support of a program to develop a balloon inflation and launch shelter. The study...- publication PDF
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Low Modulus Strain Gages for Stress Analysis of Balloon Structures
An exploratory study has shown that instrumentation can be developed to permit experimental stress analysis of scientific balloons. Special strain gages have been made and...- publication PDF
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Project Clambake Surface Wind Analysis at Palestine, Texas
The Field Observing Facility of NCAR measured surface winds at the NCAR Scientific Balloon Flight Station at Palestine, Texas, during October and November 1965 in order to...- publication PDF
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Design of the Stonehenge Launch System
This report provides the engineering data required for the construction and use of the Stonehenge Launch System. Because scientific ballooning payloads have become heavier, more...- 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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Balloon Shapes and Stresses Below the Design Altitude
Design data for natural-shape balloons, published in 1952, have been used to design thousands of balloons. These data, however, describe the balloon only at its float altitude....- 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
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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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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 Stress-Band Analysis
A test program to photograph tropopause-level balloon ascent failures unexpectedly revealed the presence of a circumferential stress band in certain balloons which failed...- 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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Thermal Analysis of Balloon-Borne Instrument Packages
Peter Fowler, of the University of Bristol, designed a modification to balloon flight equipment in an attempt to maintain temperature at an acceptable level. This report...- publication PDF
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Uncertainty Analysis of a Radome Flush Orifice Air Motion System for the...
This analysis is intended to establish a detailed measurement uncertainty for the present radome air motion systems used at NCAR and to provide a working document that may be...- 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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The Mauna Loa Solar Observatory Automatic Dome Rotator System
In this report E. Yasukawa writes the description for the newest system integrated into the Coronal Dynamics Project's experiment system, located at the Mauna Loa Solar...- publication PDF
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Carrier Balloon Test Flights From Oakey, Australia, January 1973
This report summarizes the results of the Carrier Balloon Tests from Oakey, Australia, in January, 1973. The main objectives of these tests were to check out the launch hardware...- publication PDF
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Scientific Research With High-altitude Balloons: A Brief Review of Recent...
The following report summarizes recent results of balloon-borne observations separately for the various disciplines: infrared astronomy, ultraviolet astronomy, X-ray astronomy,...- publication PDF
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Meeting Review: Third NCAR Research Aircraft Fleet Workshop
Meeting review: third NCAR research aircraft fleet workshop.- 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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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
