Numerical modelling of the temperature increase in frozen food packaged in pallets in the distribution chain

Moureh, Jean; Derens, Evelyne

doi:10.1016/s0140-7007(99)00081-x

Cited by 48 publications

(36 citation statements)

References 5 publications

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“…Moureh and Derens [33] used CFD to model temperature rises in pallet loads of frozen food during distribution. They specifically looked at the times during loading, unloading and temporary storage when the pallets would be in an ambient above 0 C. Experiments were carried out with pallets of frozen fish blocks in a shaded loading bay (4 C, 80% RH) and an open bay (22 C, 50% RH).…”

Section: Models Of Heat and Mass Transfer In Foods And Packages Durinmentioning

confidence: 99%

Modelling of food transportation systems – a review

James

Evans

2006

International Journal of Refrigeration

158

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In 2002, over a million refrigerated road vehicles, 400,000 refrigerated containers and many thousands of other forms of refrigerated transport systems are used to distribute chilled and frozen foods throughout the world. All these transportation systems are expected to maintain the temperature of the food within close limits to ensure its optimum safety and high quality shelf life.Increasingly, modelling is being used to aid the design and optimisation of food refrigeration systems. Much of this effort has concentrated on the modelling of refrigeration processes that change the temperature of the food such as chilling, freezing and thawing. The purpose of a refrigerated transport system is to maintain the temperature of the food and appears to have attracted less attention from modellers. This paper reviews the work that has been carried out specifically on the modelling of food temperature, microbial growth and other parameters in the transportation of food.

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Section: Models Of Heat and Mass Transfer In Foods And Packages Durinmentioning

confidence: 99%

Modelling of food transportation systems – a review

James

Evans

2006

International Journal of Refrigeration

158

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“…TTI data for such studies are usually gathered in field surveys (Pereira et al, 2010), in performance laboratory tests (Moureh & Derens, 2000;Tso et al, 2002;Estrada-Flores & Eddy, 2006;Jedermann et al, 2009), or with the help of computer based simulations (Gigiel et al, 1998;Food Refrigeration & Process Engineering Research Centre, 2000). Considering the objectives of this study, which involves a practical logistics application, the thermal laboratory testing alternative would allow for the gathering of more reliable technical data but would not include important in-the-field behavioural characteristics and information.…”

Section: Related Work and Research Contributionmentioning

confidence: 99%

Process capability index Cpk for monitoring the thermal performance in the distribution of refrigerated products

Novaes

Lima

Carvalho

et al. 2015

Prod.

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The temperature of refrigerated products along the cold chain must be kept within pre-defined limits to ensure adequate safety levels and high product quality. Because temperature largely influences microbial activities, the continuous monitoring of the time-temperature history over the distribution process usually allows for the adequate control of the product quality along both short-and medium-distance distribution routes. Time-Temperature Indicators (TTI) are composed of temperature measurements taken at various time intervals and are used to feed analytic models that monitor the impacts of temperature on product quality. Process Capability Indices (PCI), however, are calculated using TTI series to evaluate whether the thermal characteristics of the process are within the specified range. In this application, a refrigerated food delivery route is investigated using a simulated annealing algorithm that considers alternative delivery schemes. The objective of this investigation is to minimize the distance traveled while maintaining the vehicle temperature within the prescribed capability level.

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“…inadvertent extended time out of frozen storage, freezer breakdown etc. ), where food items might experience compromised microbial safety and quality loses (Blond & Le Meste, 2004;Moureh & Derens, 2000). Understanding the impact of inadvertent temperature abuse of frozen food items on their safety or microbial quality is an important element in designing effective control techniques.…”

Section: Introductionmentioning

confidence: 99%