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Document IIF
Transfert de chaleur par ébullition en écoulement de HFO-1234ze(E) à l’intérieur d’un tube à micro-ailettes de 4 mm de diamètre extérieur.
HFO-1234ze(E) flow boiling heat transfer inside a 4.0 mm OD microfin tube.
Numéro : pap. n. 1171
Auteurs : DIANI A., ROSSETTO L.
Résumé
This is the 17 slide PowerPoint presentation of Diani and Rossetto's paper.
The presentation reports experimental results about HFO-1234ze(E) flow boiling inside a microfin tube with an outer diameter of 4.0 mm. Tests were carried out for vapour qualities from 0.10 to 0.95, mass velocities from 200 to 755 kg m-2 s-1, heat fluxes from 10 to 50 kW m-2, with saturation temperatures at the inlet of the test section of 15, 20 and 25 °C. From the experimental measurements, it has been possible to calculate the heat transfer coefficient and to measure the pressure drop. Present data, together with experimental data previously obtained at 30°C of saturation temperature, permitted to understand how each working parameter affects the thermal and hydraulic behaviour of the tube during HFO-1234ze(E) flow boiling. The experimental heat transfer coefficients and frictional pressure drops were also compared against values predicted by empirical correlations available in the literature.
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Pages : 17
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Détails
- Titre original : HFO-1234ze(E) flow boiling heat transfer inside a 4.0 mm OD microfin tube.
- Identifiant de la fiche : 30024980
- Langues : Anglais
- Source : 1st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
- Date d'édition : 09/2018
Liens
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HFO-1234ze(E) flow boiling heat transfer inside...
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- Date : 09/2018
- Langues : Anglais
- Source : 1st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
- Formats : PDF
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