Wszystkie pola: Shukrullah, Shazia - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Image velocimetry and statistical analysis of a mesh-coupled axial blade distributor for mass transfer in a swirling bed
Autorzy:: Javed, Muhammad Asif
Shukrullah, Shazia
Naz, Muhammad Yasin
Sarfraz, Raja Adil
Powiązania:: https://bibliotekanauki.pl/articles/2055043.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: mesh-coupled distributor
blade inclination angle
particle image velocimetry
response surface analysis
Opis:: A mesh-coupled axial blade distributor was tested for fluidization of particles in a swirling fluidized bed. The bed velocity was estimated experimentally using a high-speed imaging device and MATLAB supported particle image velocimetry (PIV). The bed velocity was also predicted statistically with a response surface analysis method. During statistical analysis, the confidence interval of bed velocity remained between 0.49485 and 0.49998. The bed velocity was measured about 0.49741m/s and 0.538m/s through experimental and statistical methods, respectively. The experimental and statistical analysis revealed similar bed weights and superficial velocities with a slight difference of 6.4◦ in blade angles.
Źródło:: Journal of Theoretical and Applied Mechanics; 2020, 58, 3; 779--790
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Post-Synthesis Microwave Plasma Treatment Effect on Magnetization and Morphology of Manganese-Iron Oxide Nanoparticles
Autorzy:: Busharat, Muhammad Aqib
Naz, Muhammad Yasin
Shukrullah, Shazia
Zahid, Muhammad
Powiązania:: https://bibliotekanauki.pl/articles/2125527.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ferrite nanoparticles
microwave discharge
sol-gel synthesis
magnetic properties
Opis:: The influence of microwave (MW) plasma on magnetization and morphology of sol-gel synthesized MnFe2O4 ferrite nanoparticles is investigated in this study. Manganese (II) nitrate hexahydrate, ferric (III) nitrate nanohydrate and citric acid were used to synthesize ferrite nanoparticles via a facile sol-gel route. These ferrite nanostructures were heat-treated at 700ºC and then given MW plasma treatment for 10 min. The pristine MnFe2O4 and plasma treated MnFe2O4 showed almost similar structural formation with a slight increase in crystallinity on plasma treatment. However, XRD peak intensity slightly increased after plasma treatment, reflecting better crystallinity of the nanostructures. The size of the particle increased from 35 nm to 39 nm on plasma treatment. It was challenging to deduce the surface morphology of the nanoparticles since both samples were composed of a mixture of big and small clusters. Clusters that had been treated with plasma were larger in size than pristine ones. The band gap energy of the pristine MnFe2O4 sample was about 5.92 eV, which increased to 6.01 eV after treatment with MW plasma. The saturation magnetization of MnFe2O4 sample was noted about 0.78 emu/g before plasma treatment and 0.68 emu/g after MW plasma treatment.
Źródło:: Archives of Metallurgy and Materials; 2022, 67, 3; 837--842
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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