The article considers the question of obtaining a new additive on the base of nickel salts for ship's diesel engine cooling water. The protective property of this additive results from chemical nickeling of surfaces to be cooled without using any power source. The article describes the results of testing the additive on a test rig equipped with a magnetostriction vibrator.
The article is devoted to the research aimed at developing an electronic model of a cylinder liner. Its wear due to cavitation was examined using the linear mechanical chains method. The results showed that the magnitudes of vibration parameters when testing physical and electronic models were adequate.
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