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Abstract

The use of free fall penetrators is being now actively considered by many national and international organizations as a possible option for the safe final disposal of high-level radioactive waste in vitrified form within deep ocean sedimentary geological formations. The present paper describes methods and results of a study aimed at highlighting the effects of a number of different parameters on penetrator performance. This work is intended as a preparation of a new series of tests to be carried out during 1984 - 1986 to assess the present modeling capabilities in more detail. An initial experiment carried out in March 1983, using large model penetrators (3.25 m long, 0.325 m diameter, weight 1.8 tons in air) has successfully demonstrated that it is feasible to design free fall vehicles which are capable of reaching terminal velocities of 45-50 m/s and embedding themselves up to thirty meters in clayey deep sea sediments.

Additional information

Authors: MURRAY C N JRC ISPRA ESTAB. (ITALY) VISINTINI L AERMACCHI, S.P.A., VARESE (ITALY) , JRC ISPRA ESTAB. (ITALY);AERMACCHI, S.P.A., VARESE (ITALY)
Bibliographic Reference: IEEE JOURNAL OF OCEANIC ENGINEERING, VOL. OE-10 (1985), NO. 1, PP. 38-49
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