| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Research Abstract |
In order to investigate the required information on the development of pulsed-discharge sterilizer of ballast sea water on board, some experimental works were conducted. A pulsed power source that can cause a high-current pulsed-arc discharge in sea water with high conductivity. Characteristics of the arc voltages and currents are illustrated and discussed in terms of experimental parameters such a charging voltage, conductivity of solution, and so on. Spatial distribution of pressures of the shock-wave caused by the arc-discharge is also demonstrated and discussed. Based on the experimental data on the sterilizing experiments of E-coli and pressure distribution mentioned above, both advantage and disadvantage of the electrical sterilizing method are discussed.
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