Solar dryer using evacuated tube solar thermal collector with thermal storage


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Authors

  • THINGUJAM BIDYALAKSHMI DEVI National Institute of Solar Energy, Gurugram, Haryana 122 003, India https://orcid.org/0000-0003-2481-4597
  • S K SINGH National Institute of Solar Energy, Gurugram, Haryana
  • INDRA MANI ICAR-Indian Agricultural Research Institute, New Delhi
  • S KUMAR National Institute of Solar Energy, Gurugram, Haryana
  • V YADAV National Institute of Solar Energy, Gurugram, Haryana
  • Y SINGH National Institute of Solar Energy, Gurugram, Haryana
  • SUNIL K SANGWAN National Institute of Solar Energy, Gurugram, Haryana

https://doi.org/10.56093/ijas.v93i2.109915

Keywords:

Evacuated tube, Ginger, Paraffin wax

Abstract

A solar dryer was developed using an evacuated tube solar thermal collector and solar photovoltaic (SPV) panel to supply the electrical energy. Paraffin wax was packed in a well-sealed aluminum package and stored in the bottom of the drying chamber near the entrance of hot air enabling recharge and store thermal energy. A DC fan was used to supply hot air to the drying chamber. The chamber was made of locally available material with glass wool as insulation. The overall dimensions were 0.6 m × 0.55 m × 1.05 m with 7.0 trays having 0.25 m2 per tray. The capacity of the dryer is 5.0 kg. The maximum temperature that could attain inside the drying chamber during clear sunny days was 45 to 60ºC. The efficiency of the dryer is 27%.

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References

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Submitted

2021-01-27

Published

2023-02-28

Issue

Section

Short-Communication

How to Cite

DEVI, T. B., SINGH, S. K., MANI, I., KUMAR, S., YADAV, V., SINGH, Y., & SANGWAN, S. K. (2023). Solar dryer using evacuated tube solar thermal collector with thermal storage. The Indian Journal of Agricultural Sciences, 93(2), 233–236. https://doi.org/10.56093/ijas.v93i2.109915
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