From single droplets to dilute sprays: new data and semi-empirical model for the cooling efficiency of droplet impact in the film boiling regime - Rocha, C.E.B.M.; Araya, Álvaro Felipe Campos; Silva Filho, João Marcelo Maris da; Kita, Yutako; Oliveira, Arthur Vieira da Silva (Applied Thermal Engineering, 2025)