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Prediction of Wear Depth Distribution by Slurry on a Pump Impeller

Sugiyama, Kenichi    (Material Laboratory, Ebara Research Co., LTD   ); Nagasaka, Hiroshi    (Manufacturing Process Development Center   ); Enomoto, Takeshi    (Manufacturing Process Development Center   ); Hattori, Shuji    (Department of Mechanical Engineering, Fukui University  );
  • 초록

    Slurry wear with sand particles in rivers is a serious problem for pump operation. Therefore, a technique to predict wear volume loss is required for selecting wear resistant materials and determining specifications for the maintenance period. This paper reports a method for predicting the wear depth distribution on the blade of an impeller. Slurry wear tests of an aluminum pump impeller were conducted. Prediction results of wear depth distribution approximately correspond with the results of slurry wear tests. This technique is useful for industrial application.


  • 주제어

    Pump .   Impeller .   Numerical analysis .   Slurry wear .   Life prediction.  

  • 참고문헌 (9)

    1. Hattori, S., Harada, K., and Sugiyama, K., "Convenient Prediction Method of Impingement Angle Dependence of SlurryWear," 2005, Turbomachinery, 33, 7, pp. 443-451. 
    2. Oka, Y., Matsumura, M., Yamawaki, M., and Sakai, M., "Jet-in-silt and Vibratory Methods for Slurry Erosion-Corrosion Testsof Materials," 1987, ASTM STP946, pp. 141-154. 
    3. Hattori, S., Maekawa, N., Miura, T., Hirafuji, T., and Okada, T., "Evaluation of Slurry-Wear Resistance of Pump Materials andits Application to Prototype Tests," 1996, Transactions of the Japan Society of Mechanical Engineers. A, 62, 593, pp. 74-81. 
    4. Nomoto, S., Tani, K., and Shimmei, K., "Evaluation of Silt Abrasion for Hydraulic Machinery Using Numerical FlowAnalysis," 2006 23rd IAHR Symposium - Yokohama. 
    5. Sugiyama, K., Harada, K., and Hattori, S., "Prediction of the Volume Loss by Using Slurry Jet Test on SCS6,"2006,Transactions of the Japan Society of Mechanical Engineers. A, 72, 722, pp. 1569-1576. 
    6. Bitter, J. G. A., "A Study of Erosion Phenomena, Part 2," 1963, Wear, 6, pp. 169-190. 
    7. Editing committee of “Erosion/Corrosion and the application technology”, “Erosion/Corrosion and the applicationtechnology,” 1987, pp. 39, Industrial Publishing & Consulting, Inc. 
    8. Wang, Z., W., "Current Situation and Progress in the Protecting Measures for Hydraulic Turbine Abrasion-Cavitatin in China,"2003, ABRASION AND CAVITATION IN HYDRAULIC MACHINERY, pp. 19-24. 
    9. Kiselev, G. J., "Wear Resistance of Metals Subjected to an Abrasive Hydraulic Medium," 1971, Russian Engineering Journal,51, 12, pp. 10-12. 

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