喷雾机雾滴运行时间和沉降规律的试验.pdfVIP

2 0 0 7 6 38 6 * 刘　青　祁力钧　傅泽田　王　俊　Cooper S E , , 4 , , , , , , 5% , 3 , : : S493 : A Experimental Research on Droplet Travel Time and Deposition Characteristic from Sprayer L iu Qing 1Qi L ijun2 Fu Ze ian2 Wang J un2 Cooper S E3 ( 1. H uaz hong A g ricult ural Un iv ers ity 2. Ch ina A g ric ult ur al Univ er sity 3. H arp er A dams Univ ers ity Coll eg e, UK ) Abstract T he previou s r esearch on v ar iable ra e sprayer w as presen ed. Ex perim en al scheme w as desig ned by u sing pho o el ec r ic equipmen , w hich measured drople ravel ime wi h fo ur y pes of no zzles a diff eren for ward speeds and dif feren pressures. Resul show ed ha dro ple s reached he arg e ahead o f he ime w hen he boo m passing ov er i due o he spr ay ing angle. M eanw hile, he im e ahead coul d be he necessary co mpensa ion of he sys em r esponse im e on variabl e ra e sprayer . T he o r hog onal ex perim en and F- es show ed ha no zzle ype had more sig nif ican im pac on dr ople ravel ime, and he f orw ard speed of sprayer had significan impac on dro ple ravel im e on 5% significance level. F luorescence racer and lum inescence spec ropho o me er w ere u ilized in analyz ing dr ople deposi dis r ibu ion on mo ving paper bel a dif feren mo men s , w hich show ed hollow core nozzle ho ld g rea po en ial o f drif ing on boo m sprayer . Key wordsSprayer, Dr ople , Drif , T ravel ime, Deposi dis r ibu ion , , [ 12] , ,