Search Results - "MARZOUK, S."

Numerical and experimental investigation of heat transfer enhancement in double tube heat exchanger using nail rod inserts by Marzouk, S. A., Almehmadi, Fahad Awjah, Aljabr, Ahmad, Sharaf, Maisa A.

“…The Double-tube heat exchanger (DTHX) is widely favored across various industries due to its compact size, low maintenance requirements, and ability to operate…”
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A comprehensive review of methods of heat transfer enhancement in shell and tube heat exchangers by Marzouk, S. A., Abou Al-Sood, M. M., El-Said, Emad M. S., Younes, M. M., El-Fakharany, Magda K.

“…A wide range of studies was conducted to increase the heat transfer rate and reduce the size and cost of shell and tube heat exchangers (STHE). The paper’s…”
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Linear and nonlinear optical properties and luminescence of Dy+3-doped aluminoborate glasses: Judd–Ofelt investigation by Okasha, Aly, Marzouk, S. Y.

“…The nominal glasses composition ((40- x ) % H 3 BO 3 —30% CaO—30% Al 2 O 3 — x Dy 2 O 3 ), where x  = 1, 2, 3, 4, 5 and 6) were prepared using the melt…”
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Numerical study of heat transfer, exergy efficiency, and friction factor with nanofluids in a plate heat exchanger by Marzouk, S. A., Aljabr, Ahmad, Almehmadi, Fahad Awjah, Alqaed, Saeed, Sharaf, Maisa A.

“…In this study, the performance of a plate heat exchanger is investigated numerically using tungsten carbide (WC) nanoparticles with water. By employing novel…”
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Study of heat transfer and pressure drop for novel configurations of helical tube heat exchanger: a numerical and experimental approach by Marzouk, S. A., Abou Al-Sood, M. M., El-Said, Emad M. S., El-Fakharany, Magda K., Younes, M. M.

“…In this study, several unique tube configurations are designed and modeled to examine the thermal and hydraulic performance of a helical tube heat exchanger…”
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Structural and optical properties of barium titanium borate glasses doped with ytterbium by Marzouk, S. Y., Azooz, M. A., Elsaghier, H. M., Zidan, Nehad A., Abbas, W.

“…Barium titanium borate glasses doped with ytterbium ions were fabricated via standard melt quenching technique. The building structure of the glass matrices…”
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The characteristics of Nd2O3 in ZnO lead phosphate glasses regarding their mechanical, structural, and shielding properties by Mahmoud, I. S., Gaafar, M. S., Marzouk, S. Y., Okasha, A., Saudi, H. A.

“…Using the pulse-echo approach, the structure of the glass series was meant to be (100− x ). 65.95 P 2 O 5 - 24.47 PbO - 9.58 ZnO - x Nd 2 O 3 (where x  = 0,…”
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Hydroxychloroquine-induced hyperpigmentation in systemic diseases: prevalence, clinical features and risk factors: a cross-sectional study of 41 cases by Bahloul, E, Jallouli, M, Garbaa, S, Marzouk, S, Masmoudi, A, Turki, H, Bahloul, Z

“…Introduction Hydroxychloroquine is an antimalarial agent widely prescribed in internal medicine, rheumatology and dermatology. Its use can be complicated by…”
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Biogenic copper nanoparticles from Avicennia marina leaves: Impact on seed germination, detoxification enzymes, chlorophyll content and uptake by wheat seedlings by Essa, Hanaa L, Abdelfattah, Mohamed S, Marzouk, Alaa S, Shedeed, Zeinab, Guirguis, Hania A, El-Sayed, Mayyada M H

“…Biogenic copper nanoparticles (Cu NPs) were synthesized using the aqueous crude extract of mangrove leaves, Avicennia marina (CE). GC-MS metabolite profiling…”
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Heat transfer enhancement in a double-pipe helical heat exchanger using spring wire insert and nanofluid by Sharaf, Maisa A., Marzouk, S. A., Aljabr, Ahmad, Almehmadi, Fahad Awjah, Kaood, Amr, Alqaed, Saeed

“…Double-pipe helical heat exchangers (DPHHXs) are widely used for cooling and heating applications. In this study, a combination of two methods is used to…”
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Judd–Ofelt analysis of spectroscopic properties of Sm3+ doped P2O5–SrO glasses by Okasha, Aly, Abdelghany, A. M., Marzouk, S. Y.

“…The glass composition P 2 O 5 60%, SrO 40% (mol%) was prepared then doped with Sm 3+ with different mol% (3.2, 6.4, 9.6 and 15%). UV–VIS–NIR spectrometer was…”
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The antibacterial effect of silver, zinc-oxide and combination of silver/ zinc oxide nanoparticles coating of orthodontic brackets (an in vitro study) by Zeidan, Noha K, Enany, Nagwa M, Mohamed, Gehad Genidy, Marzouk, Eiman S

“…Preventive measures are essential during the length of orthodontic treatment to reduce the risk of decalcification and white spot lesions formation. With the…”
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Skeletal and dentoalveolar characteristics of maxillary lateral incisor agenesis patients: a comparative cross-sectional study by Tageldin, Mostafa A, Yacout, Yomna M, Marzouk, Eiman S

“…The aim of the study was to evaluate the cephalometric and dentoalveolar characteristics of maxillary lateral incisor agenesis patients, and to compare the…”
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Effect of wired nails circular–rod inserts on tube side performance of shell and tube heat exchanger: Experimental study by Marzouk, S.A., Abou Al-Sood, M.M., El-Said, Emad M.S., El-Fakharany, Magda K.

“…•The effect of different wired nails inserts on the tube side performance of STHE is analyzed and discussed.•Different tube side water flow rates are…”
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The influence of fluorine and nickel ions on the structural, spectroscopic, and optical properties of (100 − x)[15NaF–5CaF2–80B2O3]-xNiO glasses by Hammad, Ahmed H., Abdelghany, A. M., Okasha, Aly, Marzouk, S. Y.

“…Borate glasses containing sodium fluoride and calcium fluoride were prepared. Nickel oxide was doped into the host glass in different ratios ranging from 0.05…”
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Three-dimensional assessment of the skeletal characteristics accompanying unilateral maxillary canine impaction: a retrospective cone-beam computed tomography study by Eid, Farah Y, Ghaleb, Sherifa I, Badr, Fatma F, Marzouk, Eiman S

“…Environmental and genetic factors associated with canine impaction have been extensively researched, whereas the bone characteristics in the impaction area…”
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Mechanical and structural studies on sodium borosilicate glasses doped with Er2O3 using ultrasonic velocity and FTIR spectroscopy by GAAFAR, M. S, MARZOUK, S. Y

“…Sodium borosilicate glasses doped with different mol% content of Er2O3 have been prepared by rapid-quenching method. Ultrasonic velocities (both longitudinal…”
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Experimental Study of an Acoustically Excited Plane Jet at Low Reynolds Numbers by Marzouk, S., Hnaien, N.

“…The dynamics of a vertical two-dimensional air jet under acoustic excitations at a low Reynolds number are investigated experimentally. The perturbation is…”
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UV–visible and infrared absorption spectra of transition metals-doped lead phosphate glasses and the effect of gamma irradiation by ElBatal, F.H., Hamdy, Y.M., Marzouk, S.Y.

“…Undoped and transition metals (TM 3d)-doped lead phosphate glasses were prepared. Ultraviolet–visible absorption spectra were measured in the range 200–1100 nm…”
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Pharmacokinetics of bupivacaine after bilateral ultrasound-guided transversus abdominis plane block following cesarean delivery under spinal anesthesia by Trabelsi, B, Charfi, R, Bennasr, L, Marzouk, S. Ben, Eljebari, H, Jebabli, N, Sassi, M. Ben, Trabelsi, S, Maghrebi, H

“…Highlights • Bupivacaine bilateral TAP block after cesarean section may lead to toxicity. • Peak plasma levels of bupivacaine could be recorded 10 to 90 min…”
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