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Drain holes in reefer containers and the conflicting interests of controlled atmosphere and dehumidification.
Number: pap. S16-P3
Author(s) : LUKASSE L. J. S., PAILLART M. J. M.
Summary
Most reefer containers have four drain holes in the corners of the floor to expel water. Drain holes may especially be beneficial to cargos that benefit from low relative humidity. Some reefer containers are CA (Controlled Atmosphere) reefers. For CA reefers air tightness is important in order to be able to maintain a sufficiently low oxygen concentration. Drain holes may cause air leakage. The objective of this study is to clarify how the omission of unit-end drain holes affects oxygen concentration during CA operation and relative humidity during dehumidification operation. A series of climate chamber tests was done to assess air tightness and lowest feasible relative humidity for different numbers of open drain holes. The main conclusion is: dehumidification benefits from open unit-end drain holes, while for CA it is best to omit unit-end drain holes, because open unit-end drain holes increase air leakage by a factor six.
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Details
- Original title: Drain holes in reefer containers and the conflicting interests of controlled atmosphere and dehumidification.
- Record ID : 30007446
- Languages: English
- Source: 2nd IIR International Conference on Sustainability and the Cold Chain. Proceedings: Paris, France, April 2-4, 2013.
- Publication date: 2013/04/02
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Indexing
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