Tesi etd-05032025-151452 |
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Tipo di tesi
Tesi di dottorato di ricerca
Autore
PETTINARI, MATTEO
URN
etd-05032025-151452
Titolo
TRANSIENT MODELLING AND CONTROL OF BRAYTON
HIGH–TEMPERATURE HEAT PUMPS
Settore scientifico disciplinare
IIND-06/B - Sistemi per l'energia e l'ambiente
Corso di studi
INGEGNERIA DELL'ENERGIA, DEI SISTEMI, DEL TERRITORIO E DELLE COSTRUZIONI
Relatori
tutor Prof. Desideri, Umberto
relatore Prof. Ferrari, Lorenzo
relatore Prof. Ferrari, Lorenzo
Parole chiave
- control systems
- dynamic modeling
- high-temperature heat pump
- inventory control
- reverse Brayton cycle
Data inizio appello
09/05/2025
Consultabilità
Non consultabile
Data di rilascio
09/05/2028
Riassunto
Brayton HTHPs (Bra-HTHPs), are emerging as a key technology for decarbonizing industrial heat and integrating renewable energy. Unlike conventional heat pumps, Bra-HTHPs can provide process heat above 200°C, leveraging renewable electricity to reduce reliance on fossil fuels. This dissertation explores the transient performance and control strategies of Bra-HTHPs, focusing on two system configurations—non-recuperated and recuperated layouts. Detailed dynamic models are provided and applied to examine operational scenarios like cold startups and abrupt thermal load variations. Two control methods—compressor speed and fluid inventory control—are compared for effectiveness. The findings aim to enhance Bra-HTHP deployment for renewable energy integration and industrial electrification.
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