Surface areas of sweet potatoes using shrink-wrap

Document Type

Article

Publication Date

9-1-1994

Abstract

A nondestructive, two-step technique is described to measure the total surface area and the damaged surface area of sweet potatoes using clear plastic shrink-wrap as a second skin. In multiple measurements on three sweet potatoes the standard deviation for total surface area was about 1%. In 10 replications of measurements on each of 9 prolate spheroids of known size, the average error in surface area determination was -5.4%. The technique could easily be applied to convex bodies other than sweet potatoes.

Publication Source (Journal or Book title)

Applied Engineering in Agriculture

First Page

637

Last Page

639

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