TY - GEN AU - Rodríguez Jara, Enrique Ángel AU - Sánchez de la Flor, Francisco José AU - Expósito Carrillo, Jose Antonio AU - Salmerón Lissén, José Manuel A4 - Máquinas y Motores Térmicos PY - 2022 UR - http://hdl.handle.net/10498/35031 AB - The temperatures required by ultra-low temperature applications, ranging from 50 ◦ C to 100 ◦ C, cannot be reached economically with single stage systems because of the limitation of the compression ratio. Different types of solutions such as cascade... LA - eng PB - Elsevier KW - auto-cascade refrigeration cycles KW - Ultra low temperature TI - Thermodynamic analysis of auto-cascade refrigeration cycles, with and without ejector, for ultra low temperature freezing using a mixture of refrigerants R600a and R1150 ER -