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Toprak Kanalında Ekici Ayakların Oluşturduğu Çizi Profilinin belirlenmesi için Ultrasonik ölçüm Sistemi geliştirilmesi
(Development of Ultrasonic Measuring System for Evaluating Furrow Profile under Indoor Soil Bin Conditions )

Author : Mustafa Gökalp BOYDAŞ    
Type :
Printing Year : 2016
Number : 2016-3
Page : 80-91


Summary
Ekici ayakların toprakta oluşturdukları profil şekli tohumun çizi içerisindeki sıçramasına, sürüklenmesine, yer değiştirmesine ve toprak nemine etki ederler. Bu çalışma ile üç farklı ekici ayağın toprak kanalında meydana getirdiği çizi profil alanlarının farklı ölçüm yöntemleri kullanılarak belirlenmesi amaçlanmıştır. Bu amaçla ultrasonik bir ölçüm sistemi geliştirilmiş ve bu sistemin uygunluğu yaygın kullanılan iki yöntemle karşılaştırılmıştır. Bu yöntemlerden biri üzerine kâğıt yapıştırılmış bir sac levhanın çizi profiline dikey daldırılarak açık kalan kısmın boyanması ile elde edilen bozulmamış çizi kesit alanın hesaplanması, diğer yöntem ise bir profilmetre yardımıyla çizi kesit alanının bulunmasıdır. Araştırma sonucunda ultrasonik sönsör kullanılarak ölçülen toprak kabarması, sac levha kullanılarak belirlenen alandan %10-16 daha düşük, çizi kesit alanı ise % 17-24 daha fazla bulunmuştur. Profilmetre kullanılarak ölçülen toprak kabarması sac levha kullanılarak belirlenen alandan %25-55 daha düşük, çizi kesit alanı ise % 54-62 daha fazla bulunmuştur. Çizi profilini belirlemede Ultrasonik olçüm düzeneğimin profilmetreye göre daha hassas olduğu ve kısa sürede veriye ulaşma yönünden etkin kullanılabileceği görülmüştür.

Turkish Keywords
Ultrasonik sensör, ekim makinası, ekici ayak, çizi profili

Abstract
Furrow profile created furrow openers effect splashing, drifting, removal of the seeds in furrow, and soil moisture. In this study, furrow profile area formed of three different furrow opener in soil bin was determined by used different measuring method. For this purpose, an ultrasonic measuring system was developed, the suitability of this system was compared with two commonly used methods. The first of method, a sheet metal glued on paper was sunk vertically to furrow profile, then area not in contact with soil was painted. Thus undisturbed furrow section area was calculated. The anther method, a profilometer was used to determine furrow section area. The research results are show that soil swelling determined using ultrasonic sensor is 10-16% lower than those of the sheet metal method, and furrow section determined using ultrasonic sensor is 17-24% higher than those of the sheet metal method. soil swelling area determined using profilometer is 25-55% lower than those of the sheet metal method, and furrow section area determined using profilometer is 54-62% higher than those of the sheet metal method. It is observed that the ultrasonic measuring system is more sensitive than profilometer measuring system, and the ultrasonic measuring system promise for determination of furrow profile and furrow section area.

Keywords
Keywords: Ultrasonic sensor, seed drill, furrow opener, furrow profile

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