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摘要:
In this study, a quick-freezing plate filled with low-temperature phase-change material (PCM) with a mass fraction of 15% was applied in household refrigerator. A single smooth quick-freezing plate significantly reduced the amount of time required for food to pass through the maximum ice crystal generation zone, and this amount of time was 1/6 or 3/5 of that for the refrigerator in natural convection or air blast freezing. The rate of water loss using air blast freezing was 4.26% compared with that of the a single smooth quick-freezing plate at only 1.60%. For various thicknesses of the experimental pork, the quick-freezing effect of the double-layer surface plate was better than those of the other conditions. For pork thickness of less than 6mm, the quick-freezing effect of the single smooth surface plate was better than that of air blast freezing. Practical ApplicationsIn this study, a new quick-freezing plate with a phase-change material (PCM) was developed specifically for a domestic refrigerator. The quick-freezing effect can be equivalent to that of air blast freezing if food thickness does not exceed the specified range. The plate in this study consisted of an aluminum lid, a plastic shell, a cold-storage agent, and a cold-storage bag.
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来源 :
JOURNAL OF FOOD PROCESS ENGINEERING
ISSN: 0145-8876
年份: 2019
期: 7
卷: 42
3 . 0 0 0
JCR@2022
ESI学科: AGRICULTURAL SCIENCES;
ESI高被引阀值:116
JCR分区:3