Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/34999
Título: | Simulation of air-supply systems efficiency in refrigerated vehicles to prevent food spoilage |
Autor(es): | Pitarma, R. A. Ramos, J. E. Lima, Nelson Carvalho, M. G. |
Palavras-chave: | Computer simulation Refrigerated vehicles Air distribution Controlled temperature Food transport |
Data: | Jul-2005 |
Editora: | Universidade de Trás-os-Montes e Alto Douro (UTAD) |
Resumo(s): | An improper air distribution within refrigerated truck chambers is the major cause of inadequate road transport of perishable products under controlled temperature. Inadequate temperature control permits microbial and/or enzymatic deterioration. Experimental results in refrigerated long road vehicles show temperatures differences in the cargo of as much as 12ºC. This paper presents a computational model to predict, and visualize, the temperature conditions (e.g. velocity, temperature and relative humidity) in refrigerated truck chambers. The model consists of a computer procedure, in which the general equations describing the airflow pattern and the heat/mass transfer in a refrigerated room are solved using the finite volume method. The effect of turbulence is described by the k-ε turbulence model. The computer model was experimental validated by measurements taken from a reduced-scale model designed to provide similarity with a prototype. The model was applied to calculate the indoor cold conditions provided by different types of air supply systems used in compartments of long road vehicles. |
Tipo: | Artigo em ata de conferência |
URI: | https://hdl.handle.net/1822/34999 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | CEB - Artigos em Livros de Atas / Papers in Proceedings |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
---|---|---|---|---|
EFITA-WCCA 2005.pdf | Artigo | 608,39 kB | Adobe PDF | Ver/Abrir |