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水浸控溫式水稻種子浸種催芽設(shè)備溫度場分析
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高等學(xué)校博士點(diǎn)專項(xiàng)科研基金資助項(xiàng)目（305110002）、黑龍江省2011年研究生創(chuàng)新項(xiàng)目(YJSCX2011-251HLJ)和黑龍江省農(nóng)墾總局科技計(jì)劃資助項(xiàng)目(HNK10A20-07-03)


Temperature Field Analysis of Water Immersion Temperature Rice Seed Soaking Germination Equipment
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    摘要:

    利用有限元方法對寒地水稻浸種催芽過程中種子溫度場進(jìn)行仿真。通過分析可知，水稻浸種催芽過程中最高溫度出現(xiàn)在水稻邊緣與水接觸處，溫度為31℃，水稻中心溫度最低。隨著催芽時(shí)間的增加，熱量不斷向水稻中心處傳遞，當(dāng)催芽23h后中心溫度達(dá)到了25℃，最高溫度仍然保持為31℃，此時(shí)水稻整體溫度達(dá)到了催芽的最適宜溫度25~31℃。試驗(yàn)結(jié)果和仿真一致。

    Abstract:

    Temperature field analysis of water immersion temperature rice seed soaking germination equipment was analyzed by finite element method. Simulation analysis showed the highest temperature during soaking appeard in the edge of rice in contact with water. The lowest temperature appeared in the center of rice seed. With the increasing of germination time, the heat transferd to the center of rice seed continuedly. The center temperature reached to 25℃ and the highest temperature reached to 31℃ after 23h, then the temperature of rice seed reached to the optimum tempreture of 25~31℃. Experiment result was consistent with the simulation results.

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陶桂香,衣淑娟,李佐同,史德慧.水浸控溫式水稻種子浸種催芽設(shè)備溫度場分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(10):90-94. Tao Guixiang, Yi Shujuan, Li Zuotong, Shi Dehui. Temperature Field Analysis of Water Immersion Temperature Rice Seed Soaking Germination Equipment[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(10):90-94.

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