Air Propeller Diagram (IMAGE) University of Sharjah Caption Free body diagram of the system. Credit Credit: Ocean Engineering. DOI: 10.1016/j.oceaneng.2024.118335 Usage Restrictions No restrictions License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.