Amany M. Hegab

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The purpose of the present study is to demonstrate the numerical accuracy of different turbulent models that can predict the physical properties and physical phenomena of turbulent gas flow in a solid rocket nozzle. The nozzle is assumed to have a convergent-divergent geometry with impermeable and adiabatic walls. The entrance flow is subsonic with known(More)
Novel pyrrolo[2,3-d]pyrimidines 5a–j, 6a–j and pyrrolo[2,3-b]pyridines 7a–h; incorporating the common vicinal diaryl motif of tumor necrosis factor-α (TNF-α) inhibitors, were synthesized starting from 2-amino-pyrrole-3-carbonitriles 1a–h. The structures of synthesized compounds were elucidated by spectral data (IR, NMR, and MS) and elemental analyses.(More)
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