Abstract
Two echelon cold supply chain model is developed in which warehouse and retailer are the two main actors of supply chain. The model is based on energy consumption cost for chiller system and the stochastic lead time. To incorporate the quality degradation, global stability index (GSI) method is used. The objective is to analyze the effect of retailer’s storage temperature and nutritional index weightage on the total cost of supply chain. A breakdown structure of all the associated costs is developed to formulate the total cost of cold chain. A numerical example is used for better understanding. To find the optimal solution, the model is numerically solved by using matlab genetic algorithm. The sensitivity analysis is being performed to study the model behavior against different parameters. Keywords: Cold chain, echelon valuation, quality degradation, global stability index, stochastic lead time
Highlights
Prolonging the shelf life of fresh food is one of the major concern for perishable food items
In the beginning of this section the focus is on general food supply chain (FSC) leading to an orange supply chain and in the later part of this section, the theoretical background of thermal degradation, global stability index, chiller system cost analysis and the lead time has been explained
The two echelon cold chain model for oranges has been developed where the main actors are warehouse and retailer. This model is an exemplary picture of cold chain which encapsulates the cost effective attributes
Summary
Prolonging the shelf life of fresh food is one of the major concern for perishable food items. The two considerable differences between cold chain and a traditional supply chain system are; an additional cost due to the energy consumed in refrigeration process and the shelf life of perishable items. Since the life of wide range of products is temperature sensitive ; lot of studies have been carried out on the cold chain phenomenon and the need to develop improved cold chain technologies is ever increasing. In this context an optimal conditions are derived and maintained during the storage and transportation starting from the producer to the end user. Among the all nutritional components, Ascorbic acid (Vitamin C), Anthocyanin and Dimethoate are the most important components in orange which are controlled and maintained during the storage time
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