City College Engg students build a refrigerated cart for vegetable vendors | Mysore News

Mysuru: Four mechanical engineering students from the city’s Vidyavardhaka College of Engineering have developed a low-cost cooling solution for vegetable vendors that runs on solar power. The trolley developed by them costs almost half of comparable products available on the market. The team of four students was led by Naveen HV, who is originally from Mandya and lives in Mysuru. Along with three of his classmates, Shubham Sain, Supreeth S and Vivek Chandrashekhar, he developed this model for a competition organized by the Indian Society of Heating, Refrigerating, and Air Conditioning Engineers (ISHRAE). The students are in the sixth semester.
One of the challenges vegetable sellers face is keeping vegetables cool in dry weather. Once the vegetables are dry, they lose their value, which affects their income. The present invention aims to solve this problem.
This innovation helps vegetable sellers keep their produce fresh when selling in the hot sun. It can also be used for dairy products.
A temperature of 5⁰C-10⁰C is needed to keep vegetables fresh. The students designed the cart in such a way that the refrigeration of the cart is maintained at a temperature between 0⁰C and 10⁰C.
“This cart has an air-cooled chamber and uses solar energy for electricity, so the machine is self-contained. The current model requires vendors to charge it once a day at home, after which the system depends on solar energy for its electricity needs,” the students said.
The cost of this cart is around Rs 52,292. According to Naveen, compared to similar products available in the market, the price of this cart is 50% lower.
Vivek Chandrashekhar said they plan to use pressure sensors, which will help generate power from the generated pressure, when the vendor peddles the cart. “We plan to make the cart more energy efficient, turning it into an electric two-wheeler, and to include more solar panels, as well as increasing the cart’s storage capacity,” he said. .
According to the head of the university, Sadashivegowda, there is always room for improvement, and their students are on board. “They are improvising on this project, based on the suggestions they receive. This project will help fruit and vegetable merchants sell their perishable products, especially during the heat of summer. Vendors can supply fresh vegetables from their harvest to customers, using this cart,” he said.

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