References

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3. T, Qunguo, Z. Tiehua and Li Zhuangyun, "Experimental Investigation of the Wear Characteristics of Some Engineering Plastics Under Water Lubrication", ISFP, pp. 638-642, 2003
4. Y. B. Ham, J. H. Choi, J. H. Park and S. N. Yun, "Development of Variable Displacement Type Water Hydraulic Piston Pump", KSFC, Vol. 2, No. 3, pp. 14-19, 2005
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6. Y. B. Ham, Y. Kim, J. H. Noh, S. S. Shin, J. H. Park, "Design of Loss-reduction Mechanisms for Energy Recovery Devices in Reverse-osmosis Desalination systems." Journal of the KSPSE, pp. 5-9, 2012
7. Danfoss, DK-6430 Nordborg Danmark, www.danfoss.com, danfoss@danfoss.com, +45-7488-2222