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基于圖像處理技術(shù)的爐窯內(nèi)生物柴油火焰特性研究
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“十一五”國(guó)家科技支撐計(jì)劃資助項(xiàng)目(2007BAD41B05)


Flame Characteristics of Biodiesel in Industrial Furnace Based on Image Processing
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    摘要:

    通過(guò)高速攝影利用圖像處理技術(shù)研究生物柴油在爐窯內(nèi)的燃燒火焰特性,,分別對(duì)火焰體積,、形狀和結(jié)構(gòu),、長(zhǎng)度進(jìn)行了研究,。結(jié)果表明:增大空氣過(guò)剩系數(shù)α,,火焰體積逐漸減小,,火焰變形越來(lái)越嚴(yán)重,;增加霧化壓力p,,火焰體積先增大后減小,,火焰變形越來(lái)越嚴(yán)重,,火焰結(jié)構(gòu)越來(lái)越分散;對(duì)火焰實(shí)際長(zhǎng)度進(jìn)行計(jì)算,,在0.2s時(shí)間內(nèi)火焰長(zhǎng)度波動(dòng)范圍很大,,呈現(xiàn)出突增與突降的規(guī)律,存在“脫焰過(guò)程”,?;鹧骈L(zhǎng)度與空氣過(guò)剩系數(shù)α成反比,隨著霧化壓力p的減小,,火焰長(zhǎng)度曲線變化趨勢(shì)平緩,。

    Abstract:

    The flame characteristics of biodiesel burning in industrial furnace were studied. The volume, shape, structure of flame and length were analyzed based on image processing by using high-speed photography method. The experimental results showed that with the increase of excess air coefficient α, the volume of flame gradually decreased and the flame deformation was more and more serious. With the increase of atomization pressure p, the volume of flame first increased and then decreased. The flame deformation was more and more serious, and the flame structure was more and more fragmented. Through the calculation, the range of the actual length of the flame of 0.2s was very large, which emerged a sudden increase and drop rule, existed a “taking off the flame” process. The flame length became inversed to the excess air coefficient α. Along with the decrease of the atomization pressure p, the curve of flame length changed gently.

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蔣紹堅(jiān),鐘偉,張常亮,王傳余.基于圖像處理技術(shù)的爐窯內(nèi)生物柴油火焰特性研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2013,44(9):24-29. Jiang Shaojian, Zhong Wei, Zhang Changliang, Wang Chuanyu. Flame Characteristics of Biodiesel in Industrial Furnace Based on Image Processing[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(9):24-29.

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  • 在線發(fā)布日期: 2013-09-11
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