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蘋果強(qiáng)制通風(fēng)預(yù)冷試驗(yàn)
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    摘要:

    對(duì)蘋果強(qiáng)制通風(fēng)預(yù)冷過程進(jìn)行了試驗(yàn)研究,?？疾炝藵窭淇諝怙L(fēng)速,、相對(duì)濕度和溫度以及預(yù)冷筐空隙率對(duì)預(yù)冷時(shí)間的影響。結(jié)果表明,，預(yù)冷的最佳操作風(fēng)速為1.5m/s,。采用低溫高濕（溫度4℃，相對(duì)濕度80%以上）氣流對(duì)蘋果進(jìn)行預(yù)冷能取得良好的效果,。當(dāng)風(fēng)速達(dá)到1.5m/s以上時(shí),，空隙率的改變對(duì)預(yù)冷時(shí)間影響不大,；而風(fēng)速小于0.75m/s時(shí)，空隙率增加會(huì)明顯減少預(yù)冷時(shí)間,。

    Abstract:

    The forced-air precooling experiments of apples were carried out to study the influences of temperature, relative humidity and velocity of the cold air, and the void ratio of apples on the precooling process. The results show that the optimum operation velocity for the apples cooling is 1.5m/s.Well cooling effect of apples can be obtained with low temperature (4℃, no chilling injury) and high humidity air (80% RH above) in air circulation. The void ratio of apples has little influence on the precooling time when the air velocity is greater than 1.5m/s, 〖and the increase of the void ratio will significantly reduce the precooling time when the air velocity is less than 0.75m/s. 

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譚晶瑩,楊昭.蘋果強(qiáng)制通風(fēng)預(yù)冷試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(7):95-98.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(7):95-98.

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