Measurement and prediction of air movement through doorways in refrigerated rooms

Foster, A; Barrett, RV; James, SJ; Swain, MJ

doi:10.1016/s0140-7007(01)00108-6

Cited by 67 publications

(31 citation statements)

References 8 publications

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“…It was assumed that the heat loss from the polyurethane insulation board was negligible. According to the principle of turbulence and the k-epsilon model finite-volume method (Foster, 2002), the establishment of discrete equations and differential equations shows the conservation of the 3D convection-diffusion equation, as follows:…”

Section: Mathematical Modelsmentioning

confidence: 99%

Numerical Simulation of Cold Storage and Preservation of Hanfu Apple

Gong¹,

Zhang²,

Xiao³

2016

Journal of Biosystems Engineering

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Purpose: To solve the decay phenomenon of Hanfu apples that occurs during storage and obtain the best environmental parameters for preserving Hanfu apples using Fluent. Methods: Preservation storage was designed by analyzing the characteristics of Hanfu-apple storage and the natural environment in northeast China. The boundary conditions and simulation of a preservation model were established. Results: Compared with the initial values, the hardness decreased by 1.95 kg/cm 2 , the sugar-acid ratio decreased by 20.43, and weight-loss rate was 3.98%. Conclusion: The results for the temperature field and velocity field of the empty storage were analyzed using Fluent. Hanfu apples can maintain good quality during the period of storage, according to our analysis of the Hanfu-apple hardness, weight loss, and change in the sugar-acid ratio during the 90-day preservation period.

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Section: Mathematical Modelsmentioning

confidence: 99%

Numerical Simulation of Cold Storage and Preservation of Hanfu Apple

Gong¹,

Zhang²,

Xiao³

2016

Journal of Biosystems Engineering

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“…Therefore, many researchers have carried out the experiments and simulation studies on the characteristics and the prediction of the infiltration airflow. Foster et al [6,7] have compared some analytical models for predicting infiltration proposed by some early researchers and a CFD model against the measurement of the infiltration with different opening sizes and temperature differences on a specific cold store. The results showed that all the analytical models were steady-state models to over-predict the infiltration flow rate and the largest predict error was over 20%.…”

Section: Introductionmentioning

confidence: 99%

“…The above researchers have numerically studied the infiltration airflow by the theoretical and CFD simulation methods. However, they also pointed out that some more complex conditions (such as the infiltration with the cooling fans on) and the in-depth analysis stick to reality needed to be further studied to obtain some more general conclusions and better understanding of the infiltration [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

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Effects of injection pressure on diesel sprays in constant injection mass condition

Lou

et al. 2017

Applied Thermal Engineering

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“…However, Computational Fluid Dynamics (CFD) codes are now commercially available, and over the last ten years, many authors since the original studies performed by Van Gerwen and Van Oort (1989) and Wang and Touber (1990) have investigated the use of CFD as a tool for rationalizing design and operation (Foster, Barrett, James, & Swain, 2002;Hoang, Verboven, De Baerdemaeker, & Nicolaï, 2000;Hu & Sun, 2000;Mariotti, Rech, & Romagnoni, 1995;Mirade, Daudin, & Arnaud, 1995;Mirade & Daudin, 1998a;Mirade et al, 2002;Scott, 1994;Scott & Richardson, 1997;Xia & Sun, 2002;Xie, Qu, Shi, & Sun, 2006). General purpose CFD codes such as Fluent, CFX, Star-CD and Phoenics have been designed for solving turbulent fluid flow problems coupled with heat and mass transfers in a given geometry by the use of a mesh where all the Navier-Stokes transport equations are solved across each mesh cell by means of an iterative procedure requiring specific algorithms.…”

Section: Introductionmentioning

confidence: 99%

Improvement of ventilation homogeneity in an industrial batch-type carcass chiller by CFD investigation

Mirade¹

2006

Food Research International

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This paper discusses the application of a computational fluid dynamics (CFD) approach, first to predict air velocities in an industrial batch-type carcass chiller, and second to designing low-cost technical solutions to improve ventilation homogeneity around the carcasses. Comparisons between calculations and measurements revealed close agreement in the qualitative prediction and some inaccuracies in the quantitative prediction of airflow velocities in both the current and the modified chiller configurations. Adding deflectors at the air-conditioning blower outlet and a plastic wall behind the last row led to a marked improvement in ventilation homogeneity within the plant by both reducing the standard deviation of airflow velocities onto each row and improving airflow velocity onto the last row. Compared with the experiments, CFD is therefore a low-cost option well suited to testing new technical solutions designed for improving the operation of food plants.

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Measurement and prediction of air movement through doorways in refrigerated rooms

Cited by 67 publications

References 8 publications

Numerical Simulation of Cold Storage and Preservation of Hanfu Apple

Numerical Simulation of Cold Storage and Preservation of Hanfu Apple

Effects of injection pressure on diesel sprays in constant injection mass condition

Improvement of ventilation homogeneity in an industrial batch-type carcass chiller by CFD investigation

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