Applied Engineering

Archive

Volume 8, Issue 1, June 2024

  • Research Article

    Modelling Nitrogen Removal in the Kibendera Wastewater Stabilization Ponds in Ruiru, Kenya

    George Kirumba*, George Thumbi, John Mwangi, John Mbugua

    Issue: Volume 8, Issue 1, June 2024
    Pages: 1-13
    Received: 19 February 2024
    Accepted: 8 March 2024
    Published: 19 March 2024
    DOI: 10.11648/j.ae.20240801.11
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    Abstract: Application of waste stabilization ponds (WSP) in wastewater treatment in the tropical regions is primarily due to their affordability and relatively high treatment performance. Monitoring of 2-year nitrogen removal behavior in Kibendera WSP in Ruiru, Kenya, was undertaken between January 2021 and December 2022. The experimental work determined the... Show More
  • Research Article

    Evaluations of Crypto-System AES Using Multiple Bloc Ciphering Mode

    Rakotondramanana Radiarisainana Sitraka*, Ramafiarisona Hajasoa Malalatiana

    Issue: Volume 8, Issue 1, June 2024
    Pages: 14-30
    Received: 9 March 2024
    Accepted: 21 March 2024
    Published: 2 April 2024
    DOI: 10.11648/j.ae.20240801.12
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    Abstract: Cryptography, a scientific field that has existed even before the beginning of computer science. This article looks at the development symmetric crypto-system, which falls within the framework of image security, by Advanced Encryption Standard (AES- Advanced Encryption Standard) algorithms. AES algorithm is not integrity protected. Cryptanalysis co... Show More
  • Review Article

    Numerical Study of Heat Transfer in a Partitioned Cavity Containing a Porous Medium

    Souleye Faye*, Sory Diarra, Sidy Mactar Sokhna, Vincent Sambou

    Issue: Volume 8, Issue 1, June 2024
    Pages: 31-40
    Received: 25 January 2024
    Accepted: 26 March 2024
    Published: 17 April 2024
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    Abstract: Cavities separated by multiple vertical partitions and filled with a porous medium present a remarkable thermal insulation quality, offering potential solutions in various engineering fields. The aim of this study is to analyze the impact of the presence of a porous medium on heat transfer through a partitioned cavity. We have developed a numerical... Show More
  • Research Article

    Application of Free Ball Check Valve Mixed Grouting Device

    Yifang Liu*

    Issue: Volume 8, Issue 1, June 2024
    Pages: 41-46
    Received: 21 March 2024
    Accepted: 7 April 2024
    Published: 17 April 2024
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    Abstract: In recent years, due to the uneven water abundance of the aquifer and the complexity of the underground seepage field, the grouting reconstruction project of coal mining enterprises is more difficult. The previous method is to install a high-pressure ball valve before the grouting pipe connected to the grouting pump is connected to the mixing devic... Show More
  • Research Article

    Development of a New and Mechanically Intelligent Anti-Tremor Utensil

    Michaël Dubé*, Thierry Laliberté, Véronique H. Flamand, Alexandre Campeau-Lecours

    Issue: Volume 8, Issue 1, June 2024
    Pages: 47-60
    Received: 23 March 2024
    Accepted: 29 April 2024
    Published: 17 May 2024
    DOI: 10.11648/j.ae.20240801.15
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    Abstract: People living with Parkinson’s disease or with essential tremors face many obstacles in their everyday lives. Being able to eat independently is one of them. Many technologies already exist to help people who have difficulty eating independently. However, following a review of existing devices with a team of occupational therapists, it was found th... Show More