TY  - JOUR 
AU  - Pérez-Gallego, David
AU  - González Ayala, Julián
AU  - Calvo Hernández, Antonio
AU  - Medina Domínguez, Alejandro
PY  - 2021
UR  - http://hdl.handle.net/10366/147611
AB  - [EN]A model for a pumped thermal energy storage system is presented. It is based on a Brayton
cycle working successively as a heat pump and a heat engine. All the main irreversibility sources
expected in real plants are considered: external losses...
LA  - eng
KW  - Round-trip efficiency
KW  - Irreversibilities
KW  - Brayton cycle
KW  - Heat pump
KW  - Energy storage
TI  - Thermodynamic Performance of a Brayton Pumped Heat Energy Storage System: Influence of Internal and External Irreversibilities
DO  - 10.3390/e23121564
T2  - Entropy
VL  - 23
M2  - 1564
ER  -