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    Article

    Thermocapillary and buoyancy driven convection analysis for a hybrid nanofluids enclosed in a cavity with heated obstacle

    Two-dimensional numerical simulations are performed to investigate the problem of thermocapillary, and buoyancy driven convection. A hybrid MWCTN-Fe ...

    Walid Hassen, Lioua Kolsi, Wajdi Rajhi in The European Physical Journal Special Topi… (2022)

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    Article

    On the Performance of Firefighting Suits Under Different Patterns of Firefighter’s Movement: Radiation Heat Transfer Between Layers of the Suit

    The pattern of the firefighter’s movement during fire exposure remarkably affects the protective performance of the firefighting suit. In addition, thermal energy transfer through the suit to the body, which d...

    Ahmed Ghazy in Fire Technology (2022)

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    Article

    Evaluating the Protective Performance of Municipal Firefighting Suits During Firefighter’s Motion Under Fire Exposure

    The motion of firefighters during putting fires out significantly affects the protective performance of their suits. Due to firefighter’s motion, the suit moves periodically relative to the body causing a peri...

    Ahmed Ghazy in Fire Technology (2021)

  4. Article

    Open Access

    Leveraging spatial uncertainty for online error compensation in EMT

    Electromagnetic tracking (EMT) can potentially complement fluoroscopic navigation, reducing radiation exposure in a hybrid setting. Due to the susceptibility to external distortions, systematic error in EMT ne...

    Henry Krumb, Sofie Hofmann, David Kügler in International Journal of Computer Assisted… (2020)

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    Article

    On the Protective Performance of Firefighters’ Garments: Air Gaps Between Fabric Layers

    Municipal firefighters count on their protective garments to avoid skin burns caused by thermal and flame exposures. Typical firefighting garment consists of three layers of different fire-resistant fabrics na...

    Ahmed Ghazy in Fire Technology (2020)

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    Article

    Influence of the Fabric Properties on the Protective Performance of Flame Resistant Clothing during the Body Movement

    Getting exposed to a flash fire can be a deadly situation until the worker manages to escape from the fire location. The movement of the worker induces his protective clothing to move periodically inwards and ...

    Ahmed Ghazy in Fire Technology (2019)

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    Chapter and Conference Paper

    Preoperative Planning for Guidewires Employing Shape-Regularized Segmentation and Optimized Trajectories

    Upcoming robotic interventions for endovascular procedures can significantly reduce the high radiation exposure currently endured by surgeons. Robotically driven guidewires replace manual insertion and leave t...

    Johannes Fauser, Moritz Fuchs, Ahmed Ghazy in OR 2.0 Context-Aware Operating Theaters an… (2019)

  8. Article

    Open Access

    Cytochrome b shows signs of adaptive protein evolution in Gerbillus species from Egypt

    Amino acid polymorphisms in the mitochondrial cytochrome b (cytb) gene of four Gerbillus species have been investigated for their geographical distribution and possible functional significance. The sequences were...

    Mahmoud Amin Khalifa, Mahmoud Ibrahim Younes in The Journal of Basic and Applied Zoology (2018)

  9. No Access

    Article

    Solar desalination system of combined solar still and humidification–dehumidification unit

    Solar stills, as a simple technology, have many advantages such as simple design; unsophisticated fabrication; low capital and operation costs and easily maintained. However, their low daily production has put...

    Ahmed Ghazy, Hassan E. S. Fath in Heat and Mass Transfer (2016)

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    Article

    Numerical simulation of the influence of fabric’s motion on protective clothing performance during flash fire exposure

    The motion of a person wearing protective clothing induces the clothing to move periodically towards the skin causing a cyclic variation in the air gap between the fabric and the skin. At the same time, the cl...

    Ahmed Ghazy, Donald J. Bergstrom in Heat and Mass Transfer (2013)

  11. No Access

    Article

    Influence of the air gap between protective clothing and skin on clothing performance during flash fire exposure

    A finite volume model was developed to simulate transient heat transfer in protective clothing during flash fire exposure. The model accounts for the combined conduction-radiation heat transfer in the air gap ...

    Ahmed Ghazy, Donald J. Bergstrom in Heat and Mass Transfer (2011)