对初始温度为30℃,初始干基含水率为3 kg/kg的豌豆在800W和500W的功率下进行微波干燥过程分析,建立了相应的数学模型并进行计算,计算结果符合微波干燥的一般规律,着重对物料内部水分和温度的变化规律做了深入分析.对500W和800W功率的干燥结果进行了对比,发现微波功率对干燥过程中含水率变化和温度变化有较大的影响.含水率的变化明显分为两个阶段,即快速干燥阶段和减速干燥阶段.
参考文献
[1] | 冯爱国;李国霞;李春燕.食品干燥技术的研究进展[J].食品工程,2012(06):90. |
[2] | 杨洲,段洁利.微波干燥及其发展[J].粮油加工与食品机械,2000(03):5-6,8. |
[3] | 祝圣远,王国恒.微波干燥过程数学描述[J].工业炉,2004(01):15-18,29. |
[4] | 蒋生昕;许乃章;王俊.微波干燥黄桃的研究[J].农业机械学报,1991(03):51. |
[5] | Vittorio Raffaele Romano;Francesco Marra;Umberto Tammaro .Modelling of microwave heating of foodstuff: study on the influence of sample dimensions with a FEM approach[J].Journal of Food Engineering,2005(3):233-241. |
[6] | Abbasi Souraki B;Mowla D .Simulation of drying behaviour of a small sphereical foodstuff in a microwave assisted flui dized of inert particles[J].Food research interanational,2008,41(03):255. |
[7] | Camila A P;Viviana C M .Numerical and experimental analysis of the heat and mass transfer during olafa[J].Applied Tnermal Engineering,2012,48:325. |
[8] | 熊永森,王俊,王金双.微波干燥胡萝卜片工艺试验研究[J].农业工程学报,2008(06):291-294. |
[9] | 9牟群英;李贤军 .微波加热技术的应用于研究进展[J].物理学和高新技术,2003,9(11):438. |
[10] | Najmur Rahman;Subodh Kumar E .Caluation of convective heat transfer coefficient during drying of shrinking bodies[J].Energy Conversion & Management,2006,47:2591. |
[11] | Hatamipour M S;Mowla D .Correlations for shrinkage,density and diffusifity for drying of maize and green peas in a fluidized bed with energy carrier[J].Journal of Food Engineering,2003,59:221. |
[12] | 余莉,明晓,蒋彦龙.微波对流联合干燥特性的数值模拟[J].重庆大学学报(自然科学版),2005(01):135-139. |
[13] | 王俊,蒋生昕,许乃章,金红良.微波远红外联合干燥黄桃的试验研究[J].浙江农业学报,1999(01):26. |
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