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FlowBreakdown of Hybrid Nanofluid on a Rigid Surface with Power Law Fluid as Lubricated Layers

Computer Modeling in Engineering & Sciences 2024年第2期138卷 1485-1499页

作者： Mirza Naveed Jahangeer Baig NadeemSalamat Sohail Nadeem NaeemUllah mohamed bechir ben hamida Hassan Ali Ghazwani Sayed M.Eldin A.S.Al-Shafay Instituite of Mathematics Khwaja Fareed University of Engineering and Information TechnologyRahim yar Khan64200Pakistan Department of Mathematics Quaid-I-Azam UniversityIslamabad44000Pakistan Department of Mathematics Wenzhou UniversityWenzhou325035China College of Engineering Department of Mechanical EngineeringImam Mohammad Ibn Saud Islamic University(IMSIU)Riyadh11564Saudi Arabia Research Laboratory of Ionized Backgrounds and Reagents Studies(EMIR) Preparatory Institute for Engineering Studies of Monastir(IPEIM)University of MonastirMonastir5060Tunisia Higher School of Sciences and Technology of Hammam Sousse Department of PhysicsJazan82511Kingdom of Saudia Arabia Department of Mechanical Engineering Faculty of engineeringJazan UniversityP.O.Box 45124JazanKingdom of Saudia Arabia Center of Research Faculty of EngineeringFuture University in EgyptNew Cairo11835Egypt Department of Mechanical Engineering College of EngineeringPrince Sattam bin Abdulaziz UniversityAlkharj16436Saudi Arabia

Thiswork investigates an oblique stagnation point flowof hybrid nanofluid over a rigid surface with power lawfluidas lubricated layers. Copper (Cu) and Silver (Ag) solid particles are used as hybrid particles acting in water H2O asa base fluid. The mathematical formulation of flow configuration is presented in terms of differential systemthat isnonlinear in nature. The thermal aspects of the flow field are also investigated by assuming the surface is a heatedsurface with a constant temperature T. Numerical solutions to the governing mathematical model are calculatedby the RK45 algorithm. The results based on the numerical solution against various flow and thermal controllingparameters are presented in terms of line graphs. The specific results depict that the heat flux increases over thelubricated-indexed parameter.

关键词： Oblique stagnation point flow hybrid nanofluid lubricated layer magnetohydrodynamics

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Synthesis of novel adsorbent by intercalation of biopolymer in LDH for the removal of arsenic from synthetic and natural water

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Journal of Environmental Sciences 2020年第5期32卷 246-261页

作者： Hanen Bessaies Sidra Iftekhar Bhairavi Doshi Jamel Kheriji mohamed Chaker Ncibi Varsha Srivastava Mika Sillanpaa bechir Hamrouni Laboratory of Desalination and Water Treatement LR19ES01 Faculty of Sciences of TunisTunis El Manar University2092El Manar ITunisia Department of Separation Science Lappeenranta-Lahti University of Technology(LUT)Sammonfeatu 12FI-50130MikkeliFinland International Water Research Institute MohammedⅥPolytechnic UniversityCity Ben Guerir 43150Morocco Department of Civil and Environmental Engineering Florida International UniversityMiamiFL 33174USA Department of Environmental Engineering University of Engineering and TechnologyTaxilaPakistan

This study focuses on the synthesis of nanocomposites named CCA and CZA that were prepared by the incorporation of cellulose(CL)in the Ca/Al and Zn/Al layered double hydroxide(LDH),*** materials were then used for the uptake of As(Ⅲ)and As(V)from aqueous *** of both nanocomposites(CCA and CZA)was done using FTIR and Raman analysis to identify the functional groups,N2 adsorption-desorption isotherms to determine the specific surface area and pore geometry and XPS analysis to obtain the surface atomic *** other characters were investigated using simultaneous TGA and DTA and elemental chemical analysis(CHNS/O).The crystallinity of the prepared nanocomposites was displayed by XRD ***,the sheet-like structure of the LDHs and the irregularity of surface morphology with porous structure were observed by TEM and SEM *** of maximum adsorption capacity was adjusted using different parameters including pH,contact time and adsorbent *** pseudo-second-order model was in good fitting with kinetics *** adsorption isotherm results showed that CZA exhibits better adsorption capacity for As(Ⅲ)than CCA and the Langmuir isotherm model described the data well for both *** studies illustrated the endothermic nature of CCA and exothermic nature on CZA,as well as the fact that the adsorption process is spontaneous.A real water sample collected from well located in Gabes(Tunisia),has also been *** obtained experimental results were confirmed that these sorbents are efficient for the treatment of hazardous toxic species such as.

关键词： Layered double hydroxide Adsorption Arsenic removal Kinetics Natural water treatment

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Comprehensive review of autoantibodies in patients with hyper-IgM syndrome

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Cellular & Molecular Immunology 2018年第6期15卷 610-617页

作者： mohamed-Ridha Barbouche Qubo Chen Marco Carbone Imen ben-Mustapha Zakera Shums Mehdi Trifa Federica Malinverno Francesca Bernuzzi Haiyan Zhang Nourhen Agrebi Gary L Norman Christopher Chang M Eric Gershwin Pietro Invernizzi Laboratory of Immunology Institute Pasteur de Tunis and Faculty of MedicineUniversity Tunis El Manar1002 TunisTunisia Humanitas Clinical and Research Center 20089 RozzanoItaly Clinical Laboratory Guangdong Provincial Hospital of Chinese medicine510000 GuangzhouChina Division of Gastroenterology and Center for Autoimmune Liver Diseases Department of Medicine and SurgeryUniversity of Milan-Bicocca20900 Monza(MB)Italy Department of Research and Development Inova Diagnostics92131 San DiegoCAUSA Department of Anesthesia and Intensive Care Children Hospital Bechir HamzaTunis and Faculty of MedicineUniversity Tunis El Manar1007 TunisTunisia Division of Gastroenterology and Hepatology Key Laboratory of Gastroenterology and HepatologyMinistry of HealthStateKey Laboratory for Oncogenes and Related GenesRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai Institute of Digestive Disease200001 ShanghaiChina Division of Rheumatology Allergy and Clinical ImmunologyUniversity of California at Davis95616 DavisCAUSA

Hyper-immunoglobulin M syndrome is an X-linked primary immunodeficiency disease caused by mutations in the CD40 ligand *** CD40 ligand has been recently highlighted as playing a key role in the pathogenesis of primary biliary *** the present study,we assessed an extensive set of serum autoantibodies in a series of well-defined patients with hyper-immunoglobulin M ***,liver-related and liver-not-related autoantibodies IgG,IgM and IgA were tested by ELISA and standard indirect immunofluorescence in HEp-2 cells in 13 Tunisian patients(8 males and 5 females,aged 1–12 years)with hyper-immunoglobulin M syndrome during 1995–2012 and,as controls,21 age-and gender-matched blood *** level of IgM antibody against MIT3 was significantly higher in patients than in controls(35.8 vs 10.7,P=0.002).Half of the hyperimmunoglobulin M syndrome patients were found to be anti-MIT3 IgM positive vs none of the controls(Po0.0001).Twenty-three percent of patients were found to be anti-sp100 antibody positive vs only 0.05%of *** immunofluorescence,92.3%of patients were MIT3 IgM positive vs none of the *** conclusion,the IgM class of anti-MIT3 antibodies was shown to be present by both ELISA and immunofluorescence in most of the patients with hyper-immunoglobulin M *** presence of the hallmark of primary biliary cholangitis,a disease where the CD40 ligand is a key player,in an immunodeficiency disease caused by mutations in the CD40 ligand gene is very intriguing and opens new scenarios in understanding the immune pathogenesis of primary biliary cholangitis.

关键词： immunoglobulin M autoantibodies immunodeficiency hyper-immunoglobulin M syndrome primary biliary cholangitis

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