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風(fēng)輪轉(zhuǎn)盤(pán)式離心噴頭試驗(yàn)
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    在試驗(yàn)分析的基礎(chǔ)上,采用多元線性正交設(shè)計(jì)方法建立了風(fēng)輪轉(zhuǎn)速與風(fēng)輪直徑、葉片數(shù)、葉片安裝角度的數(shù)學(xué)回歸方程;同時(shí)建立了風(fēng)輪轉(zhuǎn)速與噴量之間的回歸方程,為風(fēng)輪的參數(shù)選擇與結(jié)構(gòu)設(shè)計(jì)提供了試驗(yàn)依據(jù)。確定了適用于試驗(yàn)機(jī)具的風(fēng)輪最佳結(jié)構(gòu)參數(shù):葉輪直徑為150 mm,葉片數(shù)為6片,葉片安裝角度為30°。在風(fēng)機(jī)額定轉(zhuǎn)速下,噴頭的噴量為0~10 L/min時(shí),霧滴粒譜的體積中徑為

    Abstract:

    100~150 μm。Based on multi-variable quadratic regression orthogonal combined experiments, the regression equation for rotation-speed of impeller and diameter of impellers, vane number, vane fixed angle was established, and the equation for rotation-speed of impellers and spraying volume was also built. Both equations laid an important basis for impellers designing. Optimal structure parameters of impellers for the experimental sprayer have been obtained, diameter of impellers is 150 mm; six pieces of vanes; vane fixed angle is 30°. The experimental results of rotary disc nozzle with optimal structure parameters: VMD of droplets is 100~150 μm, with spraying volume changed from 0 L/min to 10 L/min under the rated rotation-speed. 

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周海燕,楊學(xué)軍,嚴(yán)荷榮,徐賽章.風(fēng)輪轉(zhuǎn)盤(pán)式離心噴頭試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(10):76-79.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(10):76-79.

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