コンテナ内貨物の汗ぬれ損傷に対する防止策-III : アルミニウムシートによるシリカゲル使用量の削減法

概要

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Japan depends on imports for most of agricultural products, which includes not only luxury foods but also essential ones such as wheat and soybeans. The cargo-container transportation plays an important role for the importation, but the sweat damages that occur during rapid cooling processes has been a serious problem. We made the mechanism of occurrence of the sweat damages clear by means of experiments and simulation on the containers loaded soybean, and suggested the use of the chemical or physical adsorption type silica gels, the desiccant, for a prevention of the sweat damages. However, the usage of the large amount of silica gel would be unfavorable in the cost, considered in the viewpoint of the practicality. In this paper, we investigated the reduction of the need of silica gel by partially covering the cargos with a sheet of aluminum. Only covering 55% of the cargo surface with a sheet of aluminum reduced the need of silica gel to one-tenth of the amount without covering. This result indicate that the cost for use of a silica gel and an aluminum sheet would be comparable to that for the commercial tool,
社団法人日本航海学会の論文
2005-03-25