Accession Number : AD0781640

Title :   Ice Engineering - Quantification of Subsurface Ice Thickening Techniques.

Descriptive Note : Technical rept. Feb 72-Jun 73,

Corporate Author : CIVIL ENGINEERING LAB (NAVY) PORT HUENEME CALIF

Personal Author(s) : Barthelemy,J. L.

Report Date : MAY 1974

Pagination or Media Count : 38

Abstract : Because of the extreme conditions and the lack of readily available building materials in polar regions, construction by conventional means is often unfeasible. Methods involving the localized freezing of seawater into useful structures at coastal polar locations are being developed. One technique previously developed and tested is surface flooding. An alternate method involves subsurface thickening by short-circuiting the insulating property of an existing ice sheet. Especially promising are natural-convection heat exchangers called freezing cells. These devices are simply constructed, self-powered and easily installed. Their performance and ice production capabilities are described by a series of equations, presented in generalized (dimensionless) form so as to be applicable to a system of any size. (Modified author abstract)

Descriptors :   *Sea ice, Freezing, Sea water, Convection(Heat transfer), Heat exchangers, Differential equations, Construction, Polar regions

Subject Categories : Snow, Ice and Permafrost
      Civil Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE