✦ LIBER ✦

Thermal properties and heat transfer coefficients in cryogenic cooling

✍ Scribed by M.W. Biddulph; R.P. Burford

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 402 KB
Volume: 22
Category: Article
ISSN: 0011-2275
DOI: 10.1016/0011-2275(82)90058-3

No coin nor oath required. For personal study only.

✦ Synopsis

This paper considers two aspects of the design of the cooling stage of the process known as cryogenic recycling. This process uses liquid nitrogen to embrittle certain materials before grinding and subsequent separation. It is being increasingly used in materials recycling.

A simple method of establishing thermal diffusivity values of materials of interest by using cooling curves is described. These values are important for effective cooler design. In addition values of convective heat transfer coefficient have been determined in an operating inclined, rotating cylindrical cooler operating on scrap car tyres. These will also be useful for cooler design methods.

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