Abrasive Erosion and Corrosion of Hydraulic Machinery - download pdf or read online

By C. G. Duan, V. Ia Karelin

ISBN-10: 1860943357

ISBN-13: 9781860943355

A scientific exposition of abrasive erosion and corrosion of hydraulic equipment in either thought and engineering perform. all of the very important matters are mentioned together with basics, calculation, research and numerical simulation of liquid-solid movement layout, erosion-resistant fabrics, interplay among cavitation and abrasive erosion, and corrosion of hydraulic equipment.

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C. G. Duan, V. Ia Karelin's Abrasive Erosion and Corrosion of Hydraulic Machinery PDF

A scientific exposition of abrasive erosion and corrosion of hydraulic equipment in either idea and engineering perform. all of the very important matters are mentioned together with basics, calculation, research and numerical simulation of liquid-solid movement layout, erosion-resistant fabrics, interplay among cavitation and abrasive erosion, and corrosion of hydraulic equipment.

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1) at rise in their size, in addition to the divergence in the methods used for carrying out the experiments and difficulties encountered in defining of said divergences. e. as the particle mass increases, its energy rises at the beginning and then it starts to decline. In the actual motion conditions, existing in the inter-blade channels of pump impellers and created by a suspension-conveying flow, such factors as separation of solid particles and divergence between their paths and the flow direction line are of great significance as well.

11 b, zone 8) and the impeller case walls (zone 9) are the places which are damaged most frequently, as a result of the slit-shaped cavitation so characteristic of the hydraulic machine type under review. The presence of a gap (a slit) between the impeller end faces and the case walls, which provide free rotation of the impeller, allows the water to flow from the area positioned above the impeller to the region located beneath the impeller; the great pressure differential at the both sides of a blade creates extremely high flow velocities of this secondary stream.

The effect of the microstructure on the erosion resistance of materials during the abrasive erosion process can be illustrated on some non-ferrous metal alloys. It was noticed that the cast and plasticized copper alloys examined in the course of a study (copper, tin bronze, alloy brass, aluminum bronze) turned out to be less resistant than a conventional carbon steel, and their resistance to attrition, in this respect, does not depend on their hardness. The pure copper, for instance, is equal, in terms of erosion resistance, to the most hard aluminum bronze.

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Abrasive Erosion and Corrosion of Hydraulic Machinery (Series on Hydraulic Machinery) by C. G. Duan, V. Ia Karelin


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