List of Articles Open Access Article Abstract Page Full-Text 1 - Numerical solution of hovering propeller performance at various blade pitch angles and revolutions with different turbulence models Behrooz Shahriari Mohammad Reza Hashemi Open Access Article Abstract Page Full-Text 2 - Analysis and simulation of island mode operation in inverter-based microgrids with voltage droop controllers Babak Keyvani Bahador Fani Ghazanfar Shahgholian Mahnaz Hashemi Open Access Article Abstract Page Full-Text 3 - Tolerance analysis (static and dynamic) of the gearbox assembly to achieve correct manufacturing tolerances Ehsan Mehrabi Gohari Iman Pishkar Mohammad Alipour Open Access Article Abstract Page Full-Text 4 - A geometric approach for automatic guidance of marine loading arms Omid Kavianipour Open Access Article Abstract Page Full-Text 5 - Techno-enviro assessment and dynamic energy balance simulation of the domestic-scale solar heating system in Lebanon Mehdi Jahangiri Hasan Ali Lotfi Nagafabadi Esmaeil Moradi Seyed Mohammad Noorbakhsh Hamed Saghaei Hussein A. Kazem Miqdam Tariq Chaichan Open Access Article Abstract Page Full-Text 6 - Convergence of collocation Bernoulli wavelet method in solving nonlinear Fredholm integro-differential equations of fractional order Abdolali Rooholahi Saeed Akhavan