By: Etim, Grace Uduak

Published: January 20, 2025

The effects of a four-arm hammer cracker/ beater on the performance of a newly developed palm kernel cracking machine have been investigated. The work evaluated the performance of the machine with the four arm hammer head attached to it under constant load test. The shaft cracking speed was however, varied...

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By: Chijioke Obioma Nnanna

Published: January 20, 2025

The manufacturing of Ordinary Portland Cement (OPC) is renowned for its high energy consumption, with energy costs accounting for over thirty percent of production expenses. Cement industries collectively utilize at least five percent of the total global industrial energy. Addressing energy inefficiencies in this sector requires optimizing the pyro system...

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By: Amina Nuru Hassan, Ravi Suresh Malhotra

Published: January 20, 2025

Nanofluids, comprising ultrafine nanoparticles dispersed in base fluids like water, ethylene glycol, and propylene glycol, offer enhanced thermal conductivity compared to conventional fluids. This study investigates the heat transfer and flow properties of nanofluids, focusing on their potential applications in improving thermal conductivity within heat transfer systems. Through experimental analysis,...

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By: Mulugeta Tesfaye Derso

Published: January 20, 2025

Agriculture in Ethiopia heavily relies on rain-fed farming practices, resulting in low productivity levels that are insufficient to meet national food demands. The country's average annual grain production of 7 million tons falls short due to moisture stress, particularly in dry land areas where rainfall is seasonal and erratic. Consequently,...

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