The agricultural sector in most developing countries encounters a lot of post-harvest losses due to a lack of appropriate drying and storage facilities for preservation. Though many drying technologies have been developed, there is an increasing demand for automation in drying. Concerning this...
Download PDF ↓Natural-convection solar tunnel dryers capable of achieving greater drying rates when drying products. The increased temperature decreases the relative humidity of the air, thereby allowing the air to more efficiently dry the product. However, it is necessary to provide an appropriate solar air...
Download PDF ↓The telecommunications industry in Zimbabwe keeps growing with an increase in the number of users yearly. The demand on the national grid and low power supply means long hours of electricity outages, which prompts Internet Service Providers (ISP’s) to use generators as backup power to keep base...
The Zambian electricity grid system has been dominated by hydropower at 96 %, 2.1 % thermal and 1.7 % renewable (Kaluminiana, n.d.). During the 2014 - 2015 rainy season, Zambia received very low rains which led to reduced electricity production at the two major power plants. In the light of this...
Download PDF ↓In 2015 unparalleled energy crisis was experienced due to depleted energy stocks in the hydroelectric dams and reduced river flows in the Kafue and Zambezi river basin and the northern water circuit. In the past, energy profile of Zambia showed serious imbalance due to over dependence on one...
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