Damping properties of plum trees shaken at their trunks

Transactions of the American Society of Agricultural Engineers

Volumn 48, Issue 1, 2005, Pages 19-25

  Horvath, E ^a   Sitkei, G ^b  

^a UNIV OF HORT AND FOOD INDUSTRY   (Hungary)

^b Univ of Forestry and Wood Sciences   (Hungary)

Author keywords

Damping; Energy consumption; Logarithmic decrement; Soil root vibration

Indexed keywords

DAMPING; ELECTRIC POWER MEASUREMENT; SOILS; VIBRATION MEASUREMENT;

DAMPING PROPERTIES; PLUM TREES; TRUNKS; VIBRATION SYSTEM;

FORESTRY;

SOIL-VEGETATION INTERACTION;

DAMPING; ELECTRIC POWER; FORESTRY; SOIL; VIBRATION;

PRUNUS DOMESTICA;

EID: 18644373520     PISSN: 00012351     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (8)

1. Adrian, P., and R. Fridley. 1965. Dynamics and design criteria of inertia-type tree shakers. Trans. ASAE 8(1): 12-14.
2. Blanco, G., J. Gil, J. Aguera, S. Castro, and K. Kouraba. 2002. Response of olive tree subjected to forcing vibration. AgEng 2002, Budapest, Paper No. 02-PH-060.
3. Gebresenbet, G. 1992. Dynamic behaviour of a mouldboard plough. AgEng 1992, Uppsala, Paper No. 9201-07.
4. Hoag, D., and R. Fridley. 1969. Experimental measurement of internal and external damping properties of tree limbs. ASAE Paper No. 69818. St. Joseph, Mich.: ASAE.
5. Horvath, E., and G. Sitkei. 2001. Energy consumption of selected tree shakers under different operational conditions. J. Agric. Eng. Res. 80(2): 191-199.
6. Pacheco, A., and G. E. Rehkugler. 1980. Design and development of a spring-activated impact shaker for apple harvesting. Trans. ASAE 23(4): 826-830.
7. Pellerin, R. A., W. F. Millier, A. N. Lakso, G. E. Rehkugler, J. A. Throop, and T. E. Allport. 1978. Apple harvesting with an inertial vs. impulse trunk shaker on open-center and central-leader trees. Trans. ASAE 21(3): 407-413.
8. Weaver, W., S. P. Timoshenko, and D. H. Young. 1990. Vibration Problems in Engineering. New York, N.Y.: John Wiley and Sons.