Abstract
The more the container transportation increases, the more knowledge of the character of the container vessel will be important. So, in this paper, how the change of the outdoor temperature effects to the inner one is investigated. By using the one-dimensional model, the thermal differential equation is solved with the difference method. Thus, the obtained result is compared with that of the experiment which was made previously. Then the coefficients and parameters are changed to make this thermal simulation model of container vessel proper. Then, the simulations, whose experiments are difficult to carry out under various conditions, were made and proved useful. Main results are summarized as follows: (1) In addition to the equation by Schmidt method, the equations which are based on the assumption that the temperature varies uniformly in steel board and air domain of container vessel is used. The result by these equations considerably fit with those by the experiments. (2) It is possible to be treated approximately as one-dimensional model for heat transmission. (3) The sheltering effect of heat by the container walls depends on the amplitude and period of the outdoor temperature variation.
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