Rapid Thermal Ice Penetrator: Arctic Field Test Results for an 'A' Size Configuration.

Ocean System Research, Inc. has developed a Rapid Thermal Ice Penetrator (patent pending) with a demonstrated capability to penetrate thick ice at rates in excess of 6 feet per minute. This report addresses the results of Arctic field testing of 6 ice penetrators complete with autonomous uprighting...

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Bibliographic Details
Main Author: Anderson, James K.
Other Authors: OCEAN SYSTEMS RESEARCH INC ANNAPOLIS MD
Format: Text
Language:English
Published: 1991
Subjects:
Snow
Ice and Permafrost
Machinery and Tools
Thermodynamics
*SEA ICE
*DRILLS
*ICE PENETRATION
THERMAL PROPERTIES
THICKNESS
PAYLOAD
ENGINES
NOZZLES
RELEASE MECHANISMS
ARCTIC REGIONS
PATENTS
SOLID PROPELLANTS
GAS GENERATOR ENGINES
LEAF SPRINGS
*PENETRATORS
SPN-19950120068
Arctic
Ice
permafrost
Sea ice
Online Access:http://www.dtic.mil/docs/citations/ADA289957
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA289957
Description
Summary:Ocean System Research, Inc. has developed a Rapid Thermal Ice Penetrator (patent pending) with a demonstrated capability to penetrate thick ice at rates in excess of 6 feet per minute. This report addresses the results of Arctic field testing of 6 ice penetrators complete with autonomous uprighting devices and dummy payloads. The testing proved the overall feasibility of the solid propellant ice penetrator and uprighting device concept to rapidly and autonomously penetrate thick Arctic ice. The actual thickness of ice penetrated was 10 feet, 4 inches in a time of 120 seconds. Hole diameter was approximately 7 inches. (MM)

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