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International Journal of Mechanical Engineering and Applications

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Volume 11, Issue 2, April 2023

  • Development of a Cubic Core Lightweight Panel Using Origami-Kirigami Engineering

    Zhilei Tian, Jingchao Guan, Wei Zhao, Apollo B. Fukuchi, Xilu Zhao, Ichiro Hagiwara

    Issue: Volume 11, Issue 2, April 2023
    Pages: 38-48
    Received: 2 February 2023
    Accepted: 21 February 2023
    Published: 21 March 2023
    DOI: 10.11648/j.ijmea.20231102.11
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    Abstract: Honeycomb core panels are commonly used in industry as lightweight structures. However, because the bond between the face plate and the regular hexagonal core is weak, there are strength problems, such as heat and shear loads. In this study, a new cubic core panel was developed as an alternative to a honeycomb core panel. Unlike conventional honeyc... Show More
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  • The Employability of Heavy Lift Class Ships for Logistics and Maintenance and Its Application in Military Means - Part I

    Bruno Assis De Lima

    Issue: Volume 11, Issue 2, April 2023
    Pages: 49-53
    Received: 8 October 2022
    Accepted: 7 November 2022
    Published: 31 March 2023
    DOI: 10.11648/j.ijmea.20231102.12
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    Abstract: The purpose of this article is to present a concept of the Heavy Lift Ship already used in the maritime market, aiming to propose viable alternatives for its employability, taking as its main focus the performance of the same in military operations, however the versatility of this class of ship, allows a wide range of activities. Currently, the the... Show More
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  • Reduce the Cooling FAN Blade Pass Frequency Noise in Electrical Vehicle

    Chuanxue Duan, Wei Qian

    Issue: Volume 11, Issue 2, April 2023
    Pages: 54-59
    Received: 8 March 2023
    Accepted: 27 March 2023
    Published: 13 April 2023
    DOI: 10.11648/j.ijmea.20231102.13
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    Abstract: Air duct in the inlet of the cooling fan is often used in EV (electrical vehicle) due to the usage of AGS (active grille system) and profile. It often leads to the unexpected noise of the cooling fan, the overall level and the BPF (blade pass frequency) noise becomes much worse than before significantly. The experimental results shown that the boun... Show More
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