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International Journal of Mechanical Engineering and Applications

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Volume 9, Issue 4, August 2021

  • Dynamic Modelling and Simulation of Coal Pulverizer

    Sumanta Basu, Sushil Cherian

    Issue: Volume 9, Issue 4, August 2021
    Pages: 58-71
    Received: 17 August 2021
    Accepted: 3 September 2021
    Published: 15 September 2021
    DOI: 10.11648/j.ijmea.20210904.11
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    Abstract: The mathematical model and simulation of coal pulverizer has been presented in the paper using first principle mass and heat balance equations based on physical insight. The coal mass flow is modelled based on the mass balance model. The pulverized coal temperature is modelled by considering the coal and the pulverized coal as a lumped thermal mass... Show More
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  • Impact of Strontium on the Hardness and Impact Test of Eutectic Al-Si+1.0% Manganese Alloy

    Okwonna Chukwuebuka Onochie

    Issue: Volume 9, Issue 4, August 2021
    Pages: 72-74
    Received: 1 April 2021
    Accepted: 20 May 2021
    Published: 23 September 2021
    DOI: 10.11648/j.ijmea.20210904.12
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    Abstract: This experimental research portrays the impact of strontium seen on hardness and impact strength of Al-1.0%mn-12%Si alloy. Strontium was added with respect to the amount of silicon present in the alloys (12% of Si; 0.02-0.03% of Sr) and 1.0% manganese which serves as a modifying agent). Higher amount of aluminum and silicon were dissolved and cast ... Show More
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