Abstract
The objective of this study was to obtain and evaluate the vibration and noise characteristics of portable hook type mechanical olive harvesters. Experiments included five hook type olive harvesters. In this study, the vibration and sound pressure levels of different harvesters were measured at idling and full load condition. The vibration levels on the handle grip of harvesters were measured and analyzed for both operator’s right and left hand, respectively. The sound pressure level was measured at ear level of the operator. The frequency weighting acceleration was calculated. The vibration total value was expressed as the root-mean-square (rms) of three component values. The acceleration values vary between 5.52 and 39.15 ms -2 for right hand and 4.18 and 61.01 ms -2 for left hand. The equivalent noise pressure levels of the harvesters were measured between 91 and 103 dB (A) in the full loading conditions and between 67 and 80 dB (A) idling working conditions. Key words: Olive harvester, vibration, noise, hav
Highlights
Introduction90% of the world’s olive trees are located in the Mediterranean basin
Olive (Olea europaea) is one of the oldest cultivated fruits
Vibration levels depend on the operating system of hook type mechanical olive harvesters
Summary
90% of the world’s olive trees are located in the Mediterranean basin. The 97% of the world olive oil is produced by Mediterranean countries as led by Spain with nearly 45% of the world’s olive oil and 35% of the World’s table olives. Greece and Turkey follow Spain as other major producers (FAO, 2005). While world production is 14 354 000 tons, the olive production of Turkey is 1 200 000 tons (FAO, 2005; TUIK, 2008). The olive production in Turkey is carried at about 190,000 enterprises. The major part (61.3%) of olive production is achieved in the Aegean Region of Turkey. The number of olive trees is approximately 55 million in this region (Saraçoğlu, 2008)
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