Category: Engineering

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  • Development of freezing process of phase change materials in cylindrical thermal energy storage tanks with various fin configurations

    Development of freezing process of phase change materials in cylindrical thermal energy storage tanks with various fin configurations

    In this section, the semi-analytical solutions is coded using Matlab to predict the position of the freezing front, which is coupled with time and temperature distribution in each region. By determining the position of the freezing front, the…

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  • Efficient adaptation of deep neural networks for semantic segmentation in space applications

    Efficient adaptation of deep neural networks for semantic segmentation in space applications

    In this section, we will provide an overview of the techniques chosen to make a Deep Neural Network (DNN) able to work efficiently in different environments, namely by using adapters. We motivate their choice for our specific setup, their…

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  • Uniform temperature distribution in microwave heating achieved via rotating electric field

    Uniform temperature distribution in microwave heating achieved via rotating electric field

    Microwave heating uniformity with single waveguide

    Fig. 2

    (a) Schematic of the single waveguide system. (b) Simulation results of the time-dependent electric field distribution in the single waveguide system.

    The principle of microwave heating can…

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  • An improved multiple adaptive neuro fuzzy inference system based on genetic algorithm for energy management system of island microgrid

    An improved multiple adaptive neuro fuzzy inference system based on genetic algorithm for energy management system of island microgrid

    In this work, Gaza strip was selected to be a location for MG installation. The proposed AC MG works in island mode only, where its combined from Renewable Energy Sources (RES) based DG (wind and solar), and connected with 5 diesel-based…

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  • Global convergence of a blind iterative algorithm for simultaneous conjugate match of N-ports

    Global convergence of a blind iterative algorithm for simultaneous conjugate match of N-ports

    The stability radius

    Let \(\mathbf {S’} = \rho \, \mathbf{S}\) (i.e., with terminology from next Subsection, \(\mathbf {S’}\) is obtained by applying a uniform embedding of parameter \(\rho\) to \(\mathbf{S}\)). Then, the stability radius of

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  • A method based on clustering fast search for bearing performance degradation assessment

    A method based on clustering fast search for bearing performance degradation assessment

    Original vibration signal

    This section presents visualizations of the raw vibration signals listed in Table 1. As revealed in Fig. 3, Bear11, Bear13, and Bear14 experience three different operating states: normal, slight, and severe. By…

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  • Impact of solid oxide FC-RFB and IPFC on a renewable multi-area power system using combined PI and FOPD controllers optimized by the African Vulture algorithm

    Impact of solid oxide FC-RFB and IPFC on a renewable multi-area power system using combined PI and FOPD controllers optimized by the African Vulture algorithm

    Assessing the possible results to identify the ideal controller element

    Thermal-biodiesel components are positioned in Arena-1, thermal elements in Arena-2, and thermal-hydro elements in Arena-3 (Scheme-A), resulting in a diverse multi-area power…

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  • Compressive properties analysis of mono-sized fragmented coal and rock

    Compressive properties analysis of mono-sized fragmented coal and rock

    Four key parameters were analyzed in the fragmented coal and rock mass densification process: compressive strength, pre-/post-compaction mass variation across particle size fractions, porosity evolution, and acoustic emission signatures.

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