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Journal of Refrigeration, Air conditioning, Heating and ventilation Original Research

Improving the Efficiency of Solar Cabinet Dryers: A Comprehensive Review

  1. Ranjeet Singh Jadaun Department of Mechanical Engineering, Shri Ram college of Engineering & Management
  2. Akash Pawar Department of Mechanical Engineering, Shri Ram college of Engineering & Management
  3. Dhruv Narwariya Department of Mechanical Engineering, Shri Ram college of Engineering & Management

Abstract

Solar cabinet dryers offer an eco-friendly and sustainable solution for drying agricultural products, utilizing solar energy to reduce moisture content. However, to match the performance of conventional drying methods, there is a need to enhance the efficiency of these systems. This research article delves into various strategies to increase the efficiency of solar cabinet dryers, including design optimization, material selection, airflow management, and operational adjustments. Key improvements such as multi-pass solar collectors, the use of phase change materials for heat storage, and advanced insulation techniques are explored. Additionally, the impact of selective coatings on absorber plates, the incorporation of natural and forced convection methods, and the potential of hybrid solar dryer configurations are discussed. Operational parameters like airflow rate, drying temperature control, and product pre-treatment are also considered to maximize drying speed while preserving product quality. By adopting a comprehensive approach to these factors, solar cabinet dryers can achieve greater energy efficiency, reduced drying times, and enhanced sustainability, making them a more viable alternative for agricultural drying applications

Keywords

References (8)

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