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  • Open Access


    Determination of the Postmortem Interval Using Fiber Bragg Grating Sensors

    M. Adjailia1, H. Derbal Habak2,*, Y. Hamaizi1, H. Triki1

    FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.3, pp. 831-844, 2023, DOI:10.32604/fdmp.2022.022162

    Abstract Fiber Bragg grating (FBG) sensors are often used in monitoring activities and to ensure that environmental parameters satisfy industrial requirements. They offer crucial safety measures in the early detection of hazards due to their greatly reduced size, low weight, flexibility, and immunity to electromagnetic interference. These characteristics make FBGs suitable also for use in relation to the human body for in vivo measurements and long-term monitoring. In this study, recent developments are presented with regard to the utilization of these sensors to measure the so-called post-mortem interval (PMI). Such developments rely on numerical simulations based on the Matlab software and… More >

  • Open Access


    Design and Implementation of a Low-Cost Portable Water Quality Monitoring System

    Anabi Hilary Kelechi1, Mohammed H. Alsharif2, Anya Chukwudi-eke Anya3, Mathias U. Bonet1, Samson Aiyudubie Uyi1, Peerapong Uthansakul4,*, Jamel Nebhen5, Ayman A. Aly6

    CMC-Computers, Materials & Continua, Vol.69, No.2, pp. 2405-2424, 2021, DOI:10.32604/cmc.2021.018686

    Abstract Water is one of the needs with remarkable significance to man and other living things. Water quality management is a concept based on the continuous monitoring of water quality. The monitoring scheme aims to accumulate data to make decisions on water resource descriptions, identify real and emergent issues involving water pollution, formulate priorities, and plan for water quality management. The regularly considered parameters when conducting water quality monitoring are turbidity, pH, temperature, conductivity, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand, ammonia, and metal ions. The usual method employed in capturing these water parameters is the manual collection and sending… More >

  • Open Access


    A Simulation of the Response of a Sounding Temperature Sensor Based on the Combination of a Genetic Algorithm and Computational Fluid Dynamics

    Juanjuan Wang, Yajuan Jia*, Jiangping Nan

    FDMP-Fluid Dynamics & Materials Processing, Vol.16, No.6, pp. 1161-1175, 2020, DOI:10.32604/fdmp.2020.010328

    Abstract The present study aims at improving the accuracy of weather forecast by providing useful information on the behavior and response of a sounding temperature sensor. A hybrid approach relying on Computational Fluid Dynamics and a genetic algorithm (GA) is used to simulate the system represented by the bead thermistor and the surrounding air. In particular, the influence of different lead angles, sensor lead length, and lead number is considered. The results have shown that when the length of the lead wire of the bead thermistor is increased, the radiation temperature rise is reduced; when the number of lead wire is… More >

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