“The OTFLOW® floor cover reduces the temperature difference between warmest and coldest location in shipments of precooled grapes by approx. 30%.”

Dr. ir. (Leo) Lukassen  |  Researcher Wageningen Food & Biobased Research.

Protect your cargo.

Let OTFLOW improve the airflow of your cooled fruit transport.

In 2016, Dr. ir. Leo Lukasse from the Wageningen Biobased Research Facility initiated a research to find out how to reduce the temperature differences inside cooled containers by covering the floor.

Different shapes of floor cover for research OTFLOW

Stage 1

Exploring shapes

First needed to be determined what shape works best to have an even distribution of the cold air. The test was performed with a 40" cooled container inside the brand new climate chamber of the research facility, able to create a constant outer temperature of 50 Celsius.

After months of research on multiple floor covering shapes, OTFLOW® proved to have the most effect on keeping the temperatures low inside the container unit.

about the research facility

Stage 2

Shipping grapes

For the second stage Lukasse performed a field test with 6 containers during a shipment of grapes from South Africa to the Netherlands taking 24 days. To monitor the temperatures Lucasse and his team placed 31 thermal readers in each container.

To measure how much effect OTFLOW would have on temperature difference, the team installed it in only half of the containers (A, B, C). The other 3 containers (D, E, F) did not have OTFLOW installed.

Research conclusion

A powerful improvement

All the temperature data of the shipment had been converted to colored temperature maps that provide a clear insight of the effect of OTFLOW.

When the temperatures reached it's highest point during the shipment, the temperature map shows that containers with OTFLOW® benefits from an improvement of 30%; eliminating hot/cold spots and keeping fruit fresh.

Research conclusion OTFLOW test

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