Tesi etd-11042019-123832
Link copiato negli appunti
Tipo di tesi
Corsi integrativi di II livello
Autore
QUAGLIOTTO, MATTEO
URN
etd-11042019-123832
Titolo
Flow patterns and droplet size in water-steam geothermal flows
Struttura
Cl. Sc. Sperimentali - Ingegneria
Corso di studi
INGEGNERIA - Ingegneria Energetica (DM 270)
Commissione
Presidente Prof. FRISOLI, ANTONIO
Membro Prof. BERGAMASCO, MASSIMO
Membro Prof. BUTTAZZO, GIORGIO CARLO
Membro Prof.ssa LASCHI, CECILIA
Membro Prof.ssa BOGONI, ANTONELLA
Membro Dott. TRIPICCHIO, PAOLO
Membro Prof. VALCARENGHI, LUCA
Membro Dott. FILIPPESCHI, ALESSANDRO
Membro Prof. BERGAMASCO, MASSIMO
Membro Prof. BUTTAZZO, GIORGIO CARLO
Membro Prof.ssa LASCHI, CECILIA
Membro Prof.ssa BOGONI, ANTONELLA
Membro Dott. TRIPICCHIO, PAOLO
Membro Prof. VALCARENGHI, LUCA
Membro Dott. FILIPPESCHI, ALESSANDRO
Parole chiave
- flow patterns
- geothermal
- pipeline
- power plant
Data inizio appello
03/12/2019;
Disponibilità
parziale
Riassunto analitico
The purpose of the present work is to provide an overview on the fluid-dynamics and patterns that occurs in geothermal two-phase flows, using as case study the pipeline before entering the separator of the geothermal plant of Cerro Pabellón, Chile.
First, a literature review has been made. That has illustrated the main variables that determine the types of flow regimes that occur in horizontal flows, e.g. in the pipes taken as reference in this study. So, the flow regime of Cerro Pabellón's pipeline has been determined taking as input variables the average liquid and steam velocity.
Secondly, the pressure drop has been estimated with the use of a correction for multi-phase geothermal flows.
Finally, an estimation of the droplet size of the liquid phase is presented, using literature correlations as well as inputs the flow's thermodynamic variables.
First, a literature review has been made. That has illustrated the main variables that determine the types of flow regimes that occur in horizontal flows, e.g. in the pipes taken as reference in this study. So, the flow regime of Cerro Pabellón's pipeline has been determined taking as input variables the average liquid and steam velocity.
Secondly, the pressure drop has been estimated with the use of a correction for multi-phase geothermal flows.
Finally, an estimation of the droplet size of the liquid phase is presented, using literature correlations as well as inputs the flow's thermodynamic variables.
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