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Design, development and performance evaluation of low cost zero energy improved passive cool chamber for enhancing shelf-life of vegetables

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Title Design, development and performance evaluation of low cost zero energy improved passive cool chamber for enhancing shelf-life of vegetables
Not Available
 
Creator A.K. Singh
Surendra Poonia
P.Santra
Dinesh Mishra
 
Subject Zero energy passive cool chamber
Evaporative cooling
Vegetable storage
 
Description Not Available
High ambient temperature accelerates the process of dehydration in fruits and vegetables,
which lead to reduction in its water content, decrease in shelf-life and consequent spoilage
in due course of time. To enhance shelf life of fruits and vegetables, conventional methods of
air conditioning and refrigeration are costly and require electricity. To overcome this problem,
a low cost, eco-friendly zero-energy improved passive cool chamber, based on evaporating
cooling principle, was designed and developed at ICAR-CAZRI, Jodhpur. It consisted of a
double walled chamber made of baked bricks with coarse sand filled annular space. The
improved cool chamber was found to achieve maximum depression in temperature in one
hour as compared to 2-3 hours required by the old chamber. The performance evaluation
of the improved cool chamber was carried out and temperature reduction of 12-14°C
during summer and 6-8°C during winter was observed with RH varying from 80-95%. The
vegetables were safely stored for 7 days in winter and 4-5 days during summer without any
spoilage. The improved cool chamber with easy maintenance shall be a boon to reduce the
spoilage of fruit and vegetables specifically in remote villages of Indian Thar desert where
proper storage facilities are lacking. The improved cool chamber also saves huge amount
of electricity that is otherwise used to preserve fruits and vegetables.
Not Available
 
Date 2020-08-21T04:37:32Z
2020-08-21T04:37:32Z
2017-12-25
 
Type Research Paper
 
Identifier Not Available
0970-2962
http://krishi.icar.gov.in/jspui/handle/123456789/39860
 
Language English
 
Relation Not Available;
 
Publisher Indian Society of Agricultural Engineers, New Delhi, India