Effects of Ammonia (NH3) on Flame Characteristics of Methane (CH4) External Premixed CombustionWillyanto Anggono, Ivan Christian Hernando, Oegik Soegihardjo, Chandra Waskito and Ferdinand RonaldoE3S Web Conf., 530 (2024) 05007DOI: https://doi.org/10.1051/e3sconf/202453005007