Adhesion Of Ice Frozen From Dilute Electrolyte Solutions

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Adhesion of Ice Frozen from Dilute Electrolyte Solutions

Author : Hans Helmut Gunter Jellinek
Publisher : Unknown
Page : 16 pages
File Size : 43,9 Mb
Release : 1974
Category : Adhesion
ISBN : UCR:31210025592005

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Adhesion of Ice Frozen from Dilute Electrolyte Solutions by Hans Helmut Gunter Jellinek Pdf

Experiments by Smith-Johannsen on the adhesion of ice frozen from a number of 0.001 M electrolyte solutions to a wax-treated aluminum surface at -10C are discussed. It is concluded that the adhesive strength measured by the force per square centimeter needed to shear the ice off the substrate surface is mainly due to a liquid interfacial solution layer between the ice and the substrate surface. The thickness of such a layer is largely determined by the same considerations as the thickness of grain boundary layers in ice obtained from dilute electrolyte solutions. (Author).

Seeking Low Ice Adhesion

Author : John M. Sayward
Publisher : Unknown
Page : 92 pages
File Size : 52,7 Mb
Release : 1979
Category : Adhesion
ISBN : UCR:31210025020189

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Seeking Low Ice Adhesion by John M. Sayward Pdf

Icing impairs operation of helicopters and other aircraft, antennae, power and communication lines, shipping and superstructures, canal locks, etc. Prevention or easier removal of icing requires reduction of its adhesion strength. Literature study shows that adhesion results from secondary (van der Waals) forces yet exceeds normal cohesive strengths. It depends on free surface energy, low contact angle, good contact and wetting, cleanliness, and texture. Modes of adhesion testing are briefly discussed. Poor adhesion occurs with low energy surfaces or contaminants, e.g. hydrocarbons, fluorocarbons, waxes, oils, etc., particularly when textured or porous. The resulting low contact angle, poor wetting and occlusion of air at the interface weaken the bond or provide stress loci which can initiate cracks and failure. Coefficient of expansion differences may help in release of ice. Further ideas appear among the 100 abstracts presented. A survey of over 300 manufacturers produced over 100 replies. Half of them offered some 100 products deemed worth testing. These are listed with addresses and contacts.

Research Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory

Author : Cold Regions Research and Engineering Laboratory (U.S.)
Publisher : Unknown
Page : 346 pages
File Size : 46,5 Mb
Release : 1973
Category : Electronic
ISBN : OSU:32435029122314

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Research Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory by Cold Regions Research and Engineering Laboratory (U.S.) Pdf

Special Report

Author : Cold Regions Research and Engineering Laboratory (U.S.)
Publisher : Unknown
Page : 96 pages
File Size : 45,8 Mb
Release : 1979
Category : Arctic regions
ISBN : UOM:39015023885067

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Special Report by Cold Regions Research and Engineering Laboratory (U.S.) Pdf

Selected Water Resources Abstracts

Author : Anonim
Publisher : Unknown
Page : 874 pages
File Size : 47,6 Mb
Release : 1974
Category : Water
ISBN : STANFORD:36105007166320

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Selected Water Resources Abstracts by Anonim Pdf

Monthly Catalog of United States Government Publications

Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1446 pages
File Size : 41,6 Mb
Release : 1974
Category : Government publications
ISBN : UCAL:B2968752

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Monthly Catalog of United States Government Publications by United States. Superintendent of Documents Pdf

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index

Monthly Catalog of United States Government Publications, Cumulative Index

Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1466 pages
File Size : 43,9 Mb
Release : 1976
Category : United States
ISBN : STANFORD:36105019598577

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Monthly Catalog of United States Government Publications, Cumulative Index by United States. Superintendent of Documents Pdf

Scientific and Technical Aerospace Reports

Author : Anonim
Publisher : Unknown
Page : 970 pages
File Size : 48,5 Mb
Release : 1975
Category : Aeronautics
ISBN : UIUC:30112057085133

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Scientific and Technical Aerospace Reports by Anonim Pdf

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

CRREL Technical Publications, 1950-1975

Author : Cold Regions Research and Engineering Laboratory (U.S.)
Publisher : Unknown
Page : 284 pages
File Size : 54,7 Mb
Release : 1992
Category : Arctic regions
ISBN : MINN:31951D031184761

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CRREL Technical Publications, 1950-1975 by Cold Regions Research and Engineering Laboratory (U.S.) Pdf

Meteorological & Geoastrophysical Abstracts

Author : Anonim
Publisher : Unknown
Page : 908 pages
File Size : 51,8 Mb
Release : 1974-09
Category : Cosmic physics
ISBN : STANFORD:36105013275537

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Meteorological & Geoastrophysical Abstracts by Anonim Pdf

TRB Special Report

Author : Anonim
Publisher : Unknown
Page : 686 pages
File Size : 51,7 Mb
Release : 1979
Category : Highway research
ISBN : UOM:39015004554252

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TRB Special Report by Anonim Pdf

Government Reports Announcements

Author : Anonim
Publisher : Unknown
Page : 964 pages
File Size : 46,7 Mb
Release : 1974
Category : Research
ISBN : STANFORD:36105013144428

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Government Reports Announcements by Anonim Pdf

Book of Abstracts

Author : American Chemical Society. Meeting,American Chemical Society
Publisher : Unknown
Page : 890 pages
File Size : 45,6 Mb
Release : 1974
Category : Chemistry
ISBN : UCAL:B3531742

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Book of Abstracts by American Chemical Society. Meeting,American Chemical Society Pdf