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以粒状马铃薯为研究对象,在常压吸附流化床冷冻干燥的实验基础上,建立了吸附流化床内对流边界条件下的球坐标冻干模型,并采用变时间步长的有限差分法,求解了物料内部温度分布及升华界面的移动速率,与实验结果吻合较好,分析了有关因素对于冻干过程中传热及干燥过程的影响.

参考文献

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[4] 许淑惠,周明连,赵月罗,齐锡龄.液状制品冻干中升华问题的VTS有限差分解[J].真空科学与技术学报,1998(04):276-282.
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