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A Micro-Slicer Image Processing System (MSIPS) has been applied to observe the ice crystal structures formed in frozen dilute solutions. Several characteristic parameters were also proposed to investigate the three-dimensional (3-D) morphology and distribution of ice crystals, based on their reconstructed images obtained by multi-slicing a frozen sample with the thickness of 5 µm. The values of characteristic parameters were determined for the sample images with the dimension of 530 × 700 × 1000 µm. The 3-D morphology of ice crystals was found to be a bundle of continuous or dendrite columns at any freezing condition. The equivalent diameter of ice crystals were in the range of 73-169 µm, and decreased exponentially with increasing freezing rate at the copper cooling plate temperature, the volumes of ice crystals and 36 ice columns were counted in the 3-D image.
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- Original title: Three-dimensional measurement of ice crystals in frozen dilute solution.
- Record ID : 2004-1063
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 27 - n. 3
- Publication date: 2004/05
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