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Series available for loan
Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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
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