Browsing The Nelson Mandela African Institution of Science and Technology (NM-AIST) by Issue Date

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Comprehensive assessment of heat pump dryers for drying agricultural products

B. T. Loemba, Aldé; Kichonge, Baraka; Kivevele, Thomas (Energy Science & Engineering, 2022-11-06)

Fruits and vegetables are agricultural products that require preservation to enhance and protect shelf life, encapsulate natural flavour, and retain nutritional content. Globally, agricultural products are preserved by a ...
Performance evaluation of solar-assisted heat pump dryer integrated with thermal energy storage for drying Moringa Oleifera leaves

Loemba, Aldé Belgard Tchicaya; Kichonge, Baraka; Selemani, Juma Rajabu; Kivevele, Thomas (MRS Advances, 2023-05-11)

Open sun drying is the conventional approach used in the majority of developing countries to dry agricultural products. However, this method exposes agricultural products to a number of hazards, including microbial ...
Influence of Duct Configurations on the Performance of Solar-Assisted Heat Pump Dryer for Drying Tobacco Leaves

Suleiman, Salum Abdulkarim; Pogrebnoi, Alexander; Kivevele, Thomas T. (International Journal of Photoenergy, 2023-05-16)

In the present study, a solar-assisted heat pump dryer (SAHPD) has been designed, fabricated, and tested its performance on drying tobacco leaves. The hot air generated from the solar collector and condenser unit of the ...

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