<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This work is a continuation of research on the differences in the sublimation speed of free ice and ice contained in the porous material. The results of previous research were published in Technica Agraria 12(1-2)/2013 (Diakun, Dolik, Kopec “The sublimation speed of free ice and ice in the sprat carcass”). A test stand used in studies was supplemented by a cold trap to prevent the steam flow into the vacuum pump and for the intensification of the ice sublimation process. The comparative tests: with the cold trap and without were performed. The research material (samples) was in the form of ice nugget, frozen sprat carcasses and ice frozen within the sponge (porous material model). The aim of the study was to examine the cold trap impact on the conditions within the vacuum chamber during sublimation and the speed of the process. The differences in the sublimation speed for the free ice, the ice from the frozen sprat and from the model were rated. The results showed a significant increase in the sublimation speed during the process with the active cold trap.</p></abstract>

This work is a continuation of research on the differences in the sublimation speed of free ice and ice contained in the porous material. The results of previous research were published in Technica Agraria 12(1-2)/2013 (Diakun, Dolik, Kopec “The sublimation speed of free ice and ice in the sprat carcass”). A test stand used in studies was supplemented by a cold trap to prevent the steam flow into the vacuum pump and for the intensification of the ice sublimation process. The comparative tests: with the cold trap and without were performed. The research material (samples) was in the form of ice nugget, frozen sprat carcasses and ice frozen within the sponge (porous material model). The aim of the study was to examine the cold trap impact on the conditions within the vacuum chamber during sublimation and the speed of the process. The differences in the sublimation speed for the free ice, the ice from the frozen sprat and from the model were rated. The results showed a significant increase in the sublimation speed during the process with the active cold trap.

The Influence of Steam Cold Trap in the Vacuum Chamber Installation on the Ice Sublimation Speed

Department of Processes and Devices of the Food Industry, Koszalin University of Technology

Agricultural Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This work is a continuation of research on the differences in the sublimation speed of free ice and ice contained in the porous material. The results of...

The Influence of Steam Cold Trap in the Vacuum Chamber Installation on the Ice Sublimation Speed

Published Online: Aug 02, 2016

Page range: 53 - 61

Received: May 01, 2015

Accepted: Sep 01, 2015

DOI: https://doi.org/10.1515/agriceng-2016-0026

Keywords
steam cold trap, sublimation, ice, sprat freeze-drying

© 2016 Jarosław Diakun et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Influence of Steam Cold Trap in the Vacuum Chamber Installation on the Ice Sublimation Speed

Published Online: Aug 02, 2016

Page range: 53 - 61

Received: May 01, 2015

Accepted: Sep 01, 2015

DOI: https://doi.org/10.1515/agriceng-2016-0026

Keywordssteam cold trap, sublimation, ice, sprat freeze-drying

© 2016 Jarosław Diakun et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
steam cold trap, sublimation, ice, sprat freeze-drying