The galvanic protection of ship hulls with zinc anodes has become the most popular and conventional technic to day, but its actual effectiveness had been still in veil.
The authors applied this process to the new bybuilt ships of identical type (five 10, 000 DWT class diesel cargo ships) and obtained the best result when zinc plate's disposition was designed to give;
1) 0.7-0.9A/m
2 as propeller side
2) 2.2mA/m
2 as oil type painted hull.
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