Design of a chocolate tempering machine with thermosyphon installation – a new concept studyThanya Parametthanuwat, Nipon Bhuwakietkumjohn, Surachet Sichamnan, Khridsadakhon Booddacha and Jittimon WongsaE3S Web Conf., 602 (2025) 01013DOI: https://doi.org/10.1051/e3sconf/202560201013