✦ LIBER ✦

The use of rotary heat regenerators in fruit dehydration systems

✍ Scribed by J.G. Van Leersum

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 589 KB
Volume: 37
Category: Article
ISSN: 0021-8634
DOI: 10.1016/s0021-8634(87)80010-0

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✦ Synopsis

The effects of adding a sensible heat regenerator, in which condensation and subsequent evaporation can occur, to a fruit dehydrator are examined theoretically for several ambient air states and particular drying conditions. Results show that the required heat input to the system is a minimum when the ratio of fresh air to recirculated air is between 15~ and 40~ (depending on ambient inlet state), and when the regenerator transfers no moisture between the air streams. Under these conditions, 30~o to 60~ of the heat input required without a regenerator can be saved.

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