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  • 1
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-203-116
    In: Special report / Cold Regions Research and Engineering Laboratory, Corps of Engineers, US Army, 116
    Description / Table of Contents: Abstract: Pendulum steering, a new concept of attitude stabilization for thermal probes or coring drills in ice, eliminates instability. The center of support is placed above the center of gravity. A lower and upper hot point produce melt penetration. The ratio of their power levels is the basis for stabilization, which is provided by the automatic control of the heater in the upper hot point. This feature makes possible a single thermal probe design that is suitable for all ice cap temperatures and a wide range of penetration rates (i.e., applied power levels). The simplicity of a thermal probe with pendulum steering suggests availability at modest cost and versatility as a widely applicable tool.
    Type of Medium: Series available for loan
    Pages: iv, 4 Seiten , Illustrationen
    Series Statement: Special report / Cold Regions Research and Engineering Laboratory, Corps of Engineers, US Army 116
    Language: English
    Note: CONTENTS Preface Summary Introduction The principle of pendulum steering Analysis of the power requirements The upper heater control Laboratory tests Summary
    Location: AWI Archive
    Branch Library: AWI Library
    Location Call Number Expected Availability
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