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1. Determining optimum rotary blade design for wind-powered water-pumping systems for local selected sites Abdulbasit Mohammed, Hirpa G. Lemu, Belete Sirahbizu, 2021, original scientific article Keywords: boundary element method, rotary sizing, wind power, hydraulic power, power coefficient, water pumping systems |
2. Study of Bondura® expanding PIN system Muhammad Maaz Akhtar, Øyvind Karlsen, Hirpa G. Lemu, 2021, original scientific article Keywords: axial locking, expanding pin system, bolt preload, contact asperities, flanged connection, radial locking, shear resistance, shrink fit |