Destructive and non-destructive evaluation of peach firmness

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F10%3A00159774" target="_blank" >RIV/62156489:43210/10:00159774 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Destructive and non-destructive evaluation of peach firmness
Original language description
The firmness of peach fruit ("Red haven") was monitored during 5 weeks within its harvesting period. Non-destructive impulse response and destructive Magness-Taylor puncture tests were used. Non-destructive impact was realized by the free falling bar. After impacting, the peach response has was measured in terms of the surface displacement and/or surface velocity. The peach response was evaluated both in time and frequency domain. The correlation between response frequency and physical parameters of thepeaches was analyzed. The dominant frequency, stiffness coefficient and elasticity coefficient as a function of time can be expressed as a decreasing, nearly linear function. The impulse response is more sensitiv to firmness changes than the Magness --Taylor firmness test. When determining fruit fitness, the non-destructive impulse response test could replace conventional destructive tests.
Czech name
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Czech description
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Project
<a href="/en/project/IAA201990701" target="_blank" >IAA201990701: Behaviour of selected agriculture products at impact loading</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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