Post-harvest control of fruit quality
1996
Jakovlev, V.F. | Terechov, A.N. (Tavrijukaja Derzavna Agrotechnicna Akademija, Melitopol (Ukraine))
Acoustic field of water melon surface is characteristic for fruits in good condition. In case of some internal or superficial damages the image of sound field changes substantially; dispersion and partial damping of sound wave energy occur. The comparison of theoretical studies and experimental data showed differences multiplied by 1.2-1.4 factor, either in inner wave refraction angle and vibration intensity, what confirm the excessive simplification in assumptions for theoretical analysis
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