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International Agrophysics
publisher:Institute of Agrophysics
Polish Academy of Sciences
Lublin, Poland
ISSN: 0236-8722


vol. 13, nr. 4 (1999)

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Methods for improving computing methods for the evaluation of rheological properties of fruit
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Zana J., Fekete A., László P., Zsivánovits G., Kővári A.
Faculty of Food Engineering, University of Horticulture and Food Industry, Somlói út 14-16, 1118 Budapest, Hungary

vol. 13 (1999), nr. 4, pp. 525-527
abstract There are problems with calculating the properties of the yield point when using electronic penetrometers. The authors suggest applying the method of calculating derivatives and searching for their extreme values.
keywords penetrometer, reology, stress deriva- tive, yield stress