Miglioramento del trasferimento di calore di un riscaldatore ad aria solare utilizzando una nervatura circolare
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Miglioramento del trasferimento di calore di un riscaldatore ad aria solare utilizzando una nervatura circolare

Miglioramento del trasferimento di calore di un riscaldatore ad aria solare utilizzando una nervatura circolare


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About the Book

Il termine riscaldamento solare ad aria si riferisce a una tecnologia in cui l'energia radiante emessa dal sole viene catturata in un assorbitore e utilizzata per il riscaldamento degli ambienti. È ovvio che si tratta di un metodo rinnovabile e non inquinante per produrre il riscaldamento degli ambienti e che, se utilizzato in edifici commerciali o industrie, può essere molto conveniente. I riscaldatori solari ad aria convenzionali hanno una bassa efficienza termica a causa del basso coefficiente di trasferimento di calore tra la piastra assorbente e l'aria, che porta a una temperatura più elevata dell'assorbitore e quindi a maggiori perdite termiche. Sono stati fatti tentativi per aumentare il trasferimento di calore all'aria che scorre attraverso il condotto del riscaldatore ad aria solare utilizzando assorbitori alettati, assorbitori a letto impaccato, assorbitori ondulati, flusso d'aria a due passaggi, lastre di vetro sovrapposte, assorbitori irruviditi artificialmente, ecc. In conclusione, l'indagine sperimentale condotta per raccogliere dati esaustivi sui condotti di riscaldamento dell'aria solare irruviditi artificialmente ha rivelato che irruvidendo la parte inferiore della piastra assorbente del condotto di riscaldamento dell'aria solare con una nervatura trasversale circolare, le prestazioni termiche vengono migliorate.


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Product Details
  • ISBN-13: 9786206231899
  • Publisher: KS Omniscriptum Publishing
  • Binding: Paperback
  • Language: Italian
  • Returnable: N
  • Weight: 195 gr
  • ISBN-10: 6206231895
  • Publisher Date: 27 Jul 2023
  • Height: 229 mm
  • No of Pages: 92
  • Spine Width: 6 mm
  • Width: 152 mm


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Miglioramento del trasferimento di calore di un riscaldatore ad aria solare utilizzando una nervatura circolare
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Miglioramento del trasferimento di calore di un riscaldatore ad aria solare utilizzando una nervatura circolare
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