Search Results - "Attia, A.A."

A comparison between flat-plate and evacuated tube solar collectors in terms of energy and exergy analysis by using nanofluid by Eltaweel, Mahmoud, Abdel-Rehim, Ahmed A., Attia, Ahmed A.A.

“…•Nanofluid flow in two stationary solar collectors were investigated.•First and second law efficiencies enhance with concentration rise.•Nanofluids have higher…”
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Alleviative effects of dietary Silybum marianum and co-enzyme Q10 on waterborne nickel-induced impaired growth, immunosuppression, tissue damage, immune-related genes dysregulation, and reduced resistance to Pseudomonas aeruginosa in Oreochromis niloticus by El-Houseiny, Walaa, Khalil, Alshimaa A., Abd-Elhakim, Yasmina M., Arisha, Ahmed H., Moselhy, Attia A.A., Dahshan, Hesham, Saber, Taisir, Saber, Taghred M., Ahmed, Mona M.

“…This study explored the effect of Silybum marianum (SLM) and/or co-enzyme Q10 (Co-Q10) dietary supplementation on the health of nickel (Ni)-exposed Nile…”
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Energetic and exergetic analysis of a heat pipe evacuated tube solar collector using MWCNT/water nanofluid by Eltaweel, Mahmoud, Abdel-Rehim, Ahmed A., Attia, Ahmed A.A.

“…Increasing the energy demand and the limited availability of conventional energy sources are the main challenges to secure the human future. Solar energy is an…”
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Potential of nano-carbon xerogels in the remediation of dye-contaminated water discharges by Girgis, B.S., Attia, A.A., Fathy, N.A.

“…A series of porous carbon xerogels were synthesized from resorcinol-formaldehyde resin (RF), using resorcinol/catalyst (R/C), molar ratios (50, 200, 500, and…”
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Aluminium dross/soda lime glass waste-derived high-quality glass foam by El-Amir, Ahmed A.M., Attia, Mohammed A.A., Newishy, M., Fend, Thomas, Ewais, Emad M.M.

“…This work introduces for the first time the use of waste aluminium dross obtained from the aluminium industry as a foaming agent to produce sustainable foam…”
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Experimental investigation on a diffusion jet flame performance using a developed flame holder supplied with air from a concentric pipe by Mesallam, Islam M., Attia, Ahmed A.A., El-Nagar, Khairy H., Elsemary, Ismail M.M.

“…In this study, a diffusion jet flame consisting of a newly developed flame holder with three coaxial pipes to transfer air and fuel to the combustion zone, is…”
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Responses of an axially rotated tube versus twisted tube design as two solutions to enhance the thermal performance under a non-uniform heat flux condition: A numerical study by Tanious, Andrew S., Abdel-Rehim, Ahmed A., Attia, Ahmed A.A.

“…•Heat transfer in rotating and twisted tubes are studied and compared numerically.•A maximum increase of 137 % in Nusselt number occurs at N = 10.5 for the…”
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An experimental study of a newly designed freezing desalination unit equipped with reversed vapor compression cycle by Altohamy, Ahmed A., Sharafeldin, M.A., Abdelrahman, M.A., Attia, Ahmed A.A., Elsemary, Ismail M.M.

“…A newly designed freezing desalination system was constructed. The system operates on the principle of reversed vapor compression. It is equipped with two…”
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Consistent coupled optical and thermal analysis of volumetric solar receivers with honeycomb absorbers by Ali, Mahmoud, Rady, Mohamed, Attia, Mohamed A.A., Ewais, Emad M.M.

“…In concentrating solar power plants with central towers, successful design of volumetric solar receivers requires proper understanding of the interaction…”
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Spark timing effect on performance of gasoline engine fueled with mixture of hydrogen–gasoline by Elsemary, Ismail M.M., Attia, Ahmed A.A., Elnagar, Kairy H., Elsaleh, Mahmoud S.

“…Ignition timing is heavily related to flame speed, which has great effect on SI engines performance. Due to that the flame speed for the fuel mixture that was…”
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Heat pump seawater distillation system using passive vacuum generation system by Attia, Ahmed A.A.

“…The passive system that generate vacuum is a reliable systems and could allow heat pumps that uses traditional refrigerant to be used in seawater distillation…”
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Optimal conditions and significant factors for fabrication of soda lime glass foam from industrial waste using nano AlN by Ewais, Emad Mohamed M., Attia, Mohammed A.A., El-Amir, Ahmed A.M., Elshenway, Ahmed M.H., Fend, Thomas

“…In the present work, based on the environmental issues and on the properties of glass foams, the foaming behavior of the float glass waste (soda-lime glass…”
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Electrical transport properties of thermally evaporated phthalocyanine (H 2Pc) thin films by El-Nahass, M.M., Farid, A.M., Attia, A.A., Ali, H.A.M.

“…Thin films of H 2Pc of various thicknesses have been deposited onto glass substrates using thermal evaporation technique at room temperature. The dark…”
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Fe(III) – Sulfide interaction in globins: Characterization and quest for a putative Fe(IV)-sulfide species by Mot, Augustin C., Bischin, Cristina, Damian, Grigore, Attia, Amr A.A., Gal, Emese, Dina, Nicoleta, Leopold, Nicolae, Silaghi-Dumitrescu, Radu

“…The present study reports findings regarding the contrast between H2S interaction with bovine hemoglobin (Hb) and horse heart myoglobin (Mb), in terms of…”
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Heat transfer enhancement during freezing process of Nano Phase Change Material (NPCM) in a spherical capsule by Sakr, R.Y., Attia, Ahmed A.A., Altohamy, Ahmed A., Elsemary, Ismail M.M., Abd Rabbo, M.F.

“…•Dimensional analysis for freezing process of nano phase change material (NPCM).•Stefan, Grashof and Reynolds number previously used in melting of NPCM.•Useful…”
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Multiconfigurational and DFT analyses of the electromeric formulation and UV–vis absorption spectra of the superoxide adduct of ferrous superoxide reductase by Attia, Amr A.A., Cioloboc, Daniela, Lupan, Alexandru, Silaghi-Dumitrescu, Radu

“…The putative initial adduct of ferrous superoxide reductase (SOR) with superoxide has been alternatively formulated as ferric-peroxo or ferrous-superoxo. The…”
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Enhancement of Ion Pairing of Sr(II) and Ba(II) Salts by a Tritopic Ion‐Pair Receptor in Solution by Kutus, Bence, Zhu, Jun, Luo, Jian, Wang, Qi‐Qiang, Lupan, Alexandru, Attia, Amr A. A., Wang, De‐Xian, Hunger, Johannes

“…Tritopic ion‐pair receptors can bind bivalent salts in solution; yet, these salts have a tendency to form ion‐pairs even in the absence of receptors. The…”
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146P Breast cancer screening in Libya: Results of the first pilot study by Attia, A.A., Bilgasim, F., Salem, K., Siala, I., Algaod, S.

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Effect of parsley essential oil on digestive enzymes, intestinal morphometry, blood chemistry and stress-related genes in liver of Nile tilapia fish exposed to Bifenthrin by Farag, Mayada R., Alagawany, Mahmoud, Khalil, Samah R., Abd El-Aziz, Reda M., Zaglool, Asmaa W., Moselhy, Attia A.A., Abou-Zeid, Shimaa M.

“…Bifenthrin (BF), third-generation synthetic pyrethroids (SPs), is extensively used as an insecticide for its higher killing activity, upgraded stability, and…”
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Experimental determination of alpha particle etchable track lengths in thermally treated CR-39 detectors demonstrates the existence of significant chemical changes by Saad, A.F., Fromm, M., Attia, A.A., Al-Abyad, M.

“…In the present work, a clear-cut determination of alpha particle track length in poly allyl diglycole carbonate (PADC) polymer-based nuclear track detectors…”
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