Preliminary Assessment of a Novel OTEC CWP Design using Sand-Filled Sandwich PipeHensa Akbar Al Kautsar, Ristiyanto Adiputra, Bambang Kusharjanta, Aditya Rio Prabowo and Hermes CarvalhoE3S Web Conf., 632 (2025) 03006DOI: https://doi.org/10.1051/e3sconf/202563203006