Design, Fabrication and Analysis of Indirect type Solar dryer for food preservation

Harpuneet Singh; Harpreet Singh; Rajat Mahajan; Gurpreet Singh; Kundan; Vishal; Neeraj

doi:https://doi.org/10.51976/ijari.812013

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Design, Fabrication and Analysis of Indirect type Solar dryer for food preservation

Harpuneet Singh, Harpreet Singh, Rajat Mahajan, Gurpreet Singh, Kundan , Vishal , Neeraj

Vol 8 , Issue 1 , January - March 2020 | Pages: 80-84 | Research Paper

https://doi.org/10.51976/ijari.812013

Received: February 15, 2020 | Revised: February 29, 2020 | Accepted: March 08, 2020 | Published Online: March 15, 2020

Author Details ( * ) denotes Corresponding author

1. * Harpuneet Singh, Department of Mechanical Engineering, Khalsa College of Engineering and Technology, Amritsar, Punjab, India (gangumalla.jithendrakumar@gmail.com)

2. Harpreet Singh, Department of Mechanical Engineering, Khalsa College of Engineering and Technology, Amritsar, Punjab, India

3. Rajat Mahajan, Department of Mechanical Engineering, Khalsa College of Engineering and Technology, Amritsar, Punjab, India

4. Gurpreet Singh, Department of Mechanical Engineering, Khalsa College of Engineering and Technology, Amritsar, Punjab, India

5. Kundan Department of Mechanical Engineering, Khalsa College of Engineering and Technology, Amritsar, Punjab, India

6. Vishal Department of Mechanical Engineering, Khalsa College of Engineering and Technology, Amritsar, Punjab, India

7. Neeraj Department of Mechanical Engineering, Khalsa College of Engineering and Technology, Amritsar, Punjab, India

This Article presents the design, construction and performance of an indirect type solar dryer for food preservation. In the dryer, the heated air from a separate solar collector is passed through a grain bed, and at the same time, the drying cabinet absorbs solar energy directly through the transparent walls and roof. The results obtained during the test period revealed that the temperatures inside the dryer and solar collector were much higher than the ambient temperature during most hours of the day-light. The temperature rise inside the drying cabinet was up to 74% for about three hours immediately after 12.00h (noon). The dryer exhibited sufficient ability to dry food items reasonably rapidly to a safe moisture level and simultaneously it ensures a superior quality of the dried product.

Keywords

Solar dryer; Heat transfer; Dry bulb temperature

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