Dear Colleagues and Readers, We are proud to publish the thirteen interesting scientific articles in this issue.These articles refer the following concerns; examining the risks of working at height in shipyards with a decisionsupported approach, the developments brought by alternative fuels in the context of the environment, the structural superiority of a cage system inspired by sea sponge, the environmental impact calculation of early recycling due to the Covid-19 pandemic, the mathematical modeling support within the scope of the risk analysis of hull and machinery insurances, the effects of a wing structure parameters using boundary layer suction technique on aerodynamic performance, crisis management and measures taken by Turkish shipyards against the adverse effects of Covit-19, optimization of the operating parameters of a pneumatic system developed to reduce sediment accumulation in ballast tanks, a waste heat recovery by using a special thermal oil and a very low sulfur fuel to reduce both the fuel cost and SOx emissions, the relationship between marine propulsion power and heat transfer with Constructal Law, performance evaluation of the g turbulent transition model, the paradigm change in ship design in which ballastless ship designs are compiled, the comparison of a similar size rectangular and chamfered tank in terms of surface deformations and pressures at the same oscillation frequency are presented. In this issue, the awards of the National Ship and Yacht Design Competition, which has become traditional and organized for the eleventh time in 2022 by the Ship, Yacht and Services Exporters’ Association (GYHİB), met with the award winners at the ceremony held on 14.12.2022. In the first pages of this issue, we proudly featured the designs that won a degree in the competition organized within the scope of the “New Generation Coaster Ship”. We are looking forward your valuable submissions including scientific articles, professional and technical reports for our next issue that will be published within six months. We wish you a happy and prosperous New Year.
Editorial
Editorial
Editorial
J Nav Archit Mar Technol 2022;2022:0-0
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