2021
DOI: 10.1371/journal.pone.0251312
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Development and validation of a heated drying air diffusion system to optimize rotary dryers and final coffee quality

Abstract: The final quality of pre-processed coffees is influenced by the applied drying technology. Thus, the aim of the study was to develop and validate a heated air flow diffusion system to optimize and reduce the drying time of rotary dryers and improve the final quality of coffee. Computational fluid dynamics was used for the simulation of the air fluid dynamics in the combustion chamber of the heat generator. It was observed that the energy losses in the upper and lower walls of the heat generator chamber were hi… Show more

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Cited by 2 publications
(2 citation statements)
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References 51 publications
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“…As higher temperatures in the drying chamber have been shown to improve the drying process, some have investigated how to achieve higher temperatures from a combustive heat source. In Coradi et al, [8], the source of heating comes from a gas burner. The combustion gases are then fanned over the moist substrate to accelerate the drying process.…”
Section: Literature Review 21 State-of-the-art Of Drying Processmentioning
confidence: 99%
See 1 more Smart Citation
“…As higher temperatures in the drying chamber have been shown to improve the drying process, some have investigated how to achieve higher temperatures from a combustive heat source. In Coradi et al, [8], the source of heating comes from a gas burner. The combustion gases are then fanned over the moist substrate to accelerate the drying process.…”
Section: Literature Review 21 State-of-the-art Of Drying Processmentioning
confidence: 99%
“…Fig.2. The temperature map and velocity profiles inside the drying chamber for two different convective heat transfer coefficients ℎ[8] …”
mentioning
confidence: 99%